66 results about "Marine alga" patented technology

The invention relates to an artificial alga field and a construction method thereof. A regular polygon grid structure formed by ropes is taken as a unit grid; a heavy stone stabilizing the structure is arranged on each side of the unit grid, and at the equal-distant location of each side inside the unit grid, a crossed rope or a polygon structure is connected with other sides; marine alga is planted on the ropes to form a unit alga field; and a great many of such unit alga fields are woven by ropes to achieve a large area of artificial alga field. The invention is capable to construct an artificial alga field rapidly at low cost; as a result, the desertification of sea area is alleviated, the marine environment is purified, and a place for fish, shrimp and cuttle fish to spawn, seek food and inhabit is established, and the fishery resources are protected and increased; in addition, the artificial alga field can also be used to breed marine alga, and as a result, the income of fishermen is increased.

The invention discloses a biological activity sea weed glue fiber, which is characterized by the following: incorporating sea weed in the glue fiber; setting the grain size not more than 3 mum; setting the mass percent of the sea weed at 5%-15% related to cellulose; incorporating silver or zinc in the glue fiber; setting the mass percent of the silver or zinc at 0.25%-1.0% relative to the cellulose. This invention also related to a preparing method of the biological activity sea weed glue fiber. This glue fiber possesses good hygienic function for skin, which can be fit for various textile raw material and textile.

Provided is a powdery marine alga having effectively suppressed or decreased smell of the alga while keeping the rich nutrient component and health-function component of the alga belonging to the genus Porphyra or the class Undaria, a granulation product of the powder, a powder drink produced by using the alga powder for food or drink or its granulated product, or a food containing the alga powder. The powdery marine alga or its granulation product having suppressed sea smell while keeping the nutrient component and health function component of the marine alga of the genus Porphyra or the class Undaria is produced by pulverizing the marine alga of the genus Porphyra or the class Undaria and mixing the powder with powdered tea. A powder drink of marine alga or a food containing the marine alga having suppressed or decreased sea smell can be produced by using the marine alga powder for food and drink.

The invention relates to the seafood grinding field and especially relates to a marine alga food processing system. During operation, algae are added from a top end and enter into a dewatering and pulverizing unit, and high speed rotation is performed in a centrifugal screening drum so that dewatering is performed. The water is thrown away from through holes on a centrifugal cylinder via a centrifuge force, and the algae are broken by the rotation of a pneumatic centrifugal spring knife so that a dewatering effect and dewatering efficiency are accelerated, preparation is made for drying and the chopped algae are easy to dry. The algae pass through the dewatering and pulverizing unit and then enter into a drying unit 3. After pulverization, the algae fall onto a swinging mesh disc, and theswinging mesh disc swings so that the algae are distributed uniformly. Simultaneously, a heater is located at upper and lower positions, drying is uniform and a drying effect is good. After drying, the algae fall into a grinding unit, and under the effects of a grinding wheel and a grinding pedestal, the algae are grinded into power and are filtered and discharged. Links are connected and linked,the dewatering efficiency and the dewatering effect are increased, the drying effect is greatly improved, and a grinding effect is increased.

The invention provides a reef body suitable for marine algae and fishes. The reef body comprises a floating base and a spherical sinking base. The outer portion of the floating base is provided with a floating ball; the floating base is internally provided with an upper cavity and a lower cavity which are isolated from each other; the upper cavity of the floating base is internally provided with a winding reel used for winding ropes; a plurality of extension bases arranged in parallel in the vertical direction are arranged under the floating base; a disengagement mechanism enabling the extension bases to be disengaged from the floating base on by one is arranged between the floating base and the extension bases; each of the sinking base and the extension bases is provided with a plurality of alga cultivation bricks; the sinking base is connected with the floating base through a rope; the rope penetrates through the middle portion of each extension base; the sinking base is provided with an inner cavity leading to the outside; the bottom of the inside of each extension base is provided with an extension frame capable of rotating upward. The reef body suitable for marine algae and fishes is reasonable in structure, is multifunctional, and is capable of providing food for fishes and achieving a good protection effect.

The production method of carragheen uses marine alga as raw material and includes the following steps: alkalu modification procedure treatment, cooking, rfiniting, salting out, dewatering and drying so as to obtain the invented finished product. The alkali modification procedure adopts the potassium hydroxide as modification agent, and uses pure water to prepare the potassium hydroxide into the potassium hydroxide solution, its concentration is 5-25%, and the potassium borohydride is added, and its added amount is 1-5% of potassium hydroxide. Said invention raises the gel strength and recovery rate of the prdoucts and can shorten production period and reduce its production cost.

The invention discloses a marine alga enzyme detergent and a preparation method thereof. The marine alga enzyme detergent comprises the following components in percentage by weight: 0.5-3.5% of an alga enzyme, 8.0-15% of a plant surfactant, 0.2-1.0% of chitosan, 0.1-0.5% of essence and the balance of deionized water. The preparation method comprises the steps of fermenting by taking various marine algae as main raw materials, and then, adding the plant surfactant and other raw materials to prepare the marine alga enzyme detergent which is natural, safe, free of irritation and relatively strong in cleaning and decomposing effects.

The present invention relates to a seaweed fiber care type mascara and a preparation method thereof. The seaweed fiber care type mascara is characterized by comprising, by weight, 0.5-2.5% of seaweed fibers, 0.5-2.5% of algina, 0.5-2.0% of symphytum officinale (allantoin), 1.0-2.0% of natural Vitamin E, 0.2-1.0% of olive oil, 10-20% of beeswax, 10-25% of white cordyceps sinensis, 5-10% of radix polygoni multiflori, 0.5-2% of ginseng, 1.0-5.0% of tremella, 2.0-5.0% of carbon powder, 0.5-1.0% of lysozyme, and the balance of deionized water. Compared with the mascara in the prior art, the mascara of the present invention has the following advantages that: the mascara of the present invention is the care type mascara developed by adopting the pure nature marine algae and plant as the raw material, generation of collagen in the eyelid skin can be stimulated with various natural plant essences so as to make the eyelid skin closely hold the root of the eyelash, significantly reduce eyelash shedding, supplement the nutrition, improve the eyelash growth environment, and make the eyelash thick, slender and shiny, the formula of the present invention is the pure nature formula, and characteristics of mildness and no irritation on the eye sensitive part, nourishing and protection two-in-one property and easy remover are provided.

It is intended to provide a novel unialgal culture strain showing a high culture efficiency of a large-sized red alga which is immature, can be stored and cultured over a long period of time and has at least one of the following properties, i.e., producing a physiologically active substance at a high yield, showing a high growth speed of the alga body, and being highly capable of absorbing nutritional salts. Namely, an immature unialgal culture strain originating in a large-sized red marine alga which is characterized by showing no matured female gametophyte in nature but showing matured tetrasporophyte alone and grows in a natural marine water area containing fresh water. This unialgal culture strain is constructed by collecting the matured sporophyte, cutting the sporophyte and allowing to stand to thereby release spores, culturing the released spores and continuously proliferating and culturing even after the growth of an upright body from the germinated spore.

The invention relates to a Chinese traditional medicine preparation for treating hyperplasia of lobule of mammary glands, which mainly comprises astragalus root, radix codonopsitis, angelica, chaff flower root, rhizoma sparganii, zedoary, rhizoma cyperi and marine alga, and has remarkable curative effect of treating the hyperplasia of lobule of mammary glands.

The invention discloses a mechanical collection device for offshore seaweeds, which can solve the problem that large scale of seaweeds cannot be effectively fished out in the prior art. The mechanical collection device adopts a technical proposal that the mechanical collection device comprises a floating body and a collection device; the floating body comprises buoys and linking structures among the buoys; the top of the buoy is provided with a mooring pile, and the bottom of the buoy is provided with an operation platform; the collection device is arranged at the bottom of the operation platform; the collection device comprises an absorption apparatus which is connected with a submersible pump; the submersible pump is connected with a water outlet pipe which is connected with a filter and a temporary storage device; and the submersible pump is also connected with a control box. The mechanical collection device fills the blank of mechanical fishing of seaweeds such as Enteromorpha prolifra. The collection device has the capability of collecting Enteromorpha prolifra in shallow water offshore and on sea surface where motor vessels cannot reach, and has the advantages of simple structure, flexibility, and quick and large-scale operation.

The invention relates to the field of cosmetics and particularly relates to chestnut tree extract-containing natural aftershave. The chestnut tree extract-containing natural aftershave is prepared from the following raw materials in parts by weight: 10-20 parts of chestnut tree extract, 5-10 parts of natural extract, 5-10 parts of aloe gel juice, 150-200 parts of deionized water, 2-5 parts of marine alga extract, 2-5 parts of citric acid, 2-5 parts of marine salt, 3-5 parts of hydroxyethyl cellulose, 10-15 parts of cinnamyl alcohol and 0-3 parts of natural essence. According to the aftershave provided by the invention, various physical and chemical indices reach or exceed the national standards, the production process of the aftershave is the same as that of the traditional aftershave, fully-natural ingredients are adopted, sensory indices and the physical and chemical indices meet specified requirements, the use effect is good, and no adverse reaction on human bodies exists.

The invention discloses a natural marine facial mask based on shell and a preparation method of the natural marine facial mask. According to the method, a synergistic substance and auxiliary substances are proportionally added to the shell powder to form a liquid material, and the liquid material is mixed evenly by stirring to obtain the natural marine facial mask based on shell. The major ingredients of the natural marine facial mask based on shell mainly refer to the prepared shell powder and the active substances of marine algae; the major ingredients are combined with other auxiliaries, and the optimal formula is determined according to the effect of the facial mask. With the prepared shell powder and the active substances of marine algae as the major ingredients of the facial mask, the prepared product is safe and effective without toxic and side effects, and is capable of effectively cleaning the skin and injecting nutrition into the skin to keep the skin tender and resilient.

The invention discloses a kelp gametophyte solid phase culturing storing method. It adopts sea belt male and female gametophyte clone, and includes the following steps: preparing solid phase culturing culture medium; smashing gametophyte clone; inoculating gametophyte; solid phase culturing; solid phase storing and resuscitation enlarging foster. The invention can make liquid culture storing long, anaphase operation simple, and provides the possibility of applying spaceflight breeding technique in marine alga breeding.

The invention discloses a drug for treating and preventing fracture, which is prepared by the ingredients of kelp, marine alga plant rich in algin and acetic acid or acetic anhydride. The preparation method of the drug is as follows: a, getting kelp and marine alga plant rich in algin, drying and grinding to powder, soaking the powder in acetic acid, wherein, the amount of the acetic acid added is in a standard that the acetic acid immerses the marine alga powder to carry out reaction for 2-3 weeks at normal temperature, pouring out the acetic acid liquid after the reaction is finished, drying under normal temperature, after drying, neutralizing through sodium hydroxide or other alkaline substance, after neutralizing, drying under normal temperature, and getting the substance used for preparing the drug for promoting fracture healing; and b, getting the kelp and the marine alga plant rich in the algin, drying and grinding to powder, soaking the powder in the acetic anhydride, the amount of the acetic anhydride added is in a standard that the acetic anhydride immerses the marine alga powder, then adding sulfuric acid for catalytic reaction, wherein the amount of the sulfuric acid added is 0.3% of the amount of the acetic anhydride, pouring out the acetic acid liquid after the reaction is over, drying under normal temperature, after drying, neutralizing through sodium hydroxide or other alkaline substance, after neutralizing, drying under normal temperature, and finally getting the substance used for preparing the drug for promoting fracture healing.

The invention provides a preparation method of alga and fish protein biological bacterial manure. The preparation method is characterized in that raw materials of a degradation solution, decomposed products and the like of living bodies, dry products and the like of marine alga and one or several raw materials of fish skin, fish flesh, fish viscera, fish bone and the like of marine fishes are utilized; the degradation solution prepared in methods of enzymolysis, acidolysis, alkaline hydrolysis and the like is supplemented by one or several raw materials of humic acid, turf, bentonite, talcum powder, montmorillonite powder and the like; one or more of bacterial solution and bacterial powder of microorganism strains like bacillus stains of bacillus subtilis, bacillus amyloliquefaciens and the like, saccharomyces strains of saccharomyces cerevisiae and the like, lactobacillus strains of lactobacillus bulgaricus and the like are compounded to be prepared into the fish protein biological bacterial manure.

The invention provides a water-soluble fertilizer containing amino acid. The water-soluble fertilizer is prepared from the following components of marine algal glycoprotein, complex amino acid, brassin, 4-ethyl iodophenoxyacetate, a plant growth regulator, medium element composition and mannitol calcium. The water-soluble fertilizer containing the amino acid has the advantages that the output capacity is increased, the yield increase rate is 20%, and the color turning rate of fruit is 98.1%. The invention also provides a preparation technology of the water-soluble fertilizer containing the amino acid. The preparation technology comprises the following steps of soaking by alcohol, primary activating, secondary activating, fermenting and mixing. The prepared water-soluble fertilizer containing the amino acid has the advantages that the growth of roots can be strongly promoted, and the damaged root is restored; after the water-soluble fertilizer is applied to the crop, the anti-freezing,anti-drought and anti-disease abilities are obviously improved, and the nematodes, whiteflies and aphids can be repelled; the effects of promoting the growth of crop, promoting swelling of fruit and advancing selling on market are realized, and the output is increased by 20%; the soil can be regulated, the air ventilating property of the soil is improved, and the effects of maintaining water and fertilizer, immobilizing nitrogen, decomposing phosphorus and decomposing potassium are realized.

The invention discloses a preparation method of humic acid based on natural biomass, the structure and substance of the natural biomass are changed through pre-pyrolysis, the degradation rate and conversion rate of the natural biomass in subsequent hydrothermal alkaline hydrolysis are improved, the molecular weight and uniformity of a humic acid product are improved, and the natural biomass is quickly and efficiently catalytically converted with high quality. Particularly, kitchen garbage, agricultural and forestry wastes, marine algae wastes and the like which are difficult to treat in the prior art are treated, and a new method is provided for preparing high-added-value humic acid.

The invention relates to a method capable of promoting formation of sporangial branchlets of shell conchocelis of pyropia katadae, and belongs to the field of marine algae cultivation. The method capable of promoting the formation of the sporangial branchlets of the shell conchocelis of the pyropia katadae comprises the following steps: 1) collecting carpospores of the pyropia katadae; 2) inoculating shells with the carpospores of the pyropia katadae; 3) impelling fast algal filament growth of the shell conchocelis in a vegetative growth stage of algal filaments; and 4) increasing concentration of iron ions so as to induce transformation of the algal filaments from the vegetative growth stage to a developmental state when the shells are fully covered with vegetative algal filaments of theshell conchocelis of most of the pyropia katadae and the sporangial branchlets begin to appear, thereby allowing rapid formation of the sporangial branchlets. The method capable of promoting the formation of the sporangial branchlets of the shell conchocelis of the pyropia katadae is capable of promoting fast growth of the vegetative algal filaments of the shell conchocelis of the pyropia katadae,as well as allowing synchronous formation of the sporangial branchlets by the vegetative algal filaments without heating; and moreover, the risk of diseases, such as bacterial infection, large amountof heteroalgae attachment and the like, can be reduced in environment with relatively low water temperature, thereby improving success rate of artificial seedling-raising of the shell conchocelis ofthe pyropia katadae.

A marine algae culture device comprise a culture pool, an aeration system, an internal circulation system, an additional light source, a temperature control system and a dirt discharging port; the aeration system is positioned at the bottom of the culture pool and comprises a fan, an aerator and an aeration pipe; the internal circulation system comprises a water discharging pipe, a purification system and a water inlet pipe; the additional light source is positioned at the top of the culture pool; the temperature control system comprise a temperature control rod and a control box; the temperature control rod is positioned on the middle part of the culture pool; the temperature control rod is connected with the temperature control box; and the dirt discharging port is positioned at the bottom of the culture pool. The invention also provides a method for performing algae culture by applying the device. The method comprises the following steps: pretreating algae seedlings to obtain algaeseedlings 1; putting the obtained algae seedlings 1 into the culture pool to perform cultivation to obtain algae seedlings 2; and performing intermittent aeration and secondary cultivation on the obtained algae seedlings 2 to obtain mature algae. The light utilization rate is high, the temperature is controllable, influence by the external environment is avoided, high-density culture can be realized, and technical support is provided for large-scale cultivation of marine algae in China.

The invention relates to an application of sargassan to the preparation of a medicament and a health-care food for preventing and treating urinary calculus. The application has the advantage that: according to the research of the application, a scientific basis is laid for the development of a natural antioxidant factor, a health-care food and a medicament for preventing and treating urinary calculus by using sargassan, and certain theoretical significance and clinical application value are achieved. Due to the adoption of the application, an important theoretical basis is provided for the development and application of the sargassan to the prevention and treatment of urinary calculus, the use of sargasso is widened, a thinking model is provided for the research of other marine algae or marine organisms, and a novel natural biomaterial is provided for the research of prevention and treatment of the urinary stone simultaneously.

The invention relates to a decoction for treating cystic acne and a preparation method thereof. The decoction comprises, in parts by mass, 1-3 parts of dried radix rehmanniae, 1-3 parts of peony tree root bark, 1-3 parts of dandelion, 1-3 parts of red peony root, 1-3 parts of manyleaf paris rhizome, 1-3 parts of selfheal, 1-3 parts of kelp, 1-3 parts of marine alga, 1-3 parts of stir-fried rhizoma curcumae and 1-3 parts of stir-fried rhizoma sparganii. The preparation method includes: respectively removing the impurities and dust of the dried radix rehmanniae, peony tree root bark, dandelion, red peony root, manyleaf paris rhizome, selfheal, kelp, marine alga, stir-fried rhizoma curcumae and stir-fried rhizoma sparganii with high quality and cleanness which are purchased on selection in parts by mass, placing the traditional Chinese medicine materials into a cloth bag, and tying the opening of the cloth bag for standby; soaking the traditional Chinese medicine materials with cold boiled water for about half an hour until water seeps into the tissue of the traditional Chinese medicine materials, placing the soaked traditional Chinese medicine materials and clear liquid obtained after the soaking into a decocting machine, adding cold boiled water until the cold boiled water is 36mm higher than the traditional Chinese medicine materials so as to perform first decoction for 40 minutes, filtering liquid medicine, then adding slightly-warm boiled water until the slightly-warm boiled water is 32mm higher than the traditional Chinese medicine materials so as to perform second decoction for 35 minutes, mixing and concentrating into 1080ml of traditional Chinese medicine liquid with the concentration being 50%, and placing into a refrigerator for fresh keeping and standby.

The invention provides a method for preparing a bio-derived porous carbon material by micro-explosion. By using low-price, wide-source and renewable marine algae as a precursor, the porous carbon material prepared by adopting an explosion activation technical route shows an ultrahigh specific surface area of 2253m<2>g<-1>, low series resistance and sulfur and nitrogen doping. The pore diameter ofthe material is controlled to be 1-50 nm by regulating and controlling the morphology structure of the carbon material. The material is used as a supercapacitor electrode, and shows excellent electrochemical performance in the ionic liquid EMIMBF4. When the current density is 1 A g<-1>, the material has high specific capacitance of 228 F g<-1>, even under a high current density of 10 A g<-1>, thematerial still has specific capacitance of 173 F g<-1>, and under a power density of 20 kW kg<-1>, the energy density of the material can reach 41 Wh kg<-1>. In addition, after 10000 times of circulation, excellent reversibility is achieved, and the circulation efficiency is 80%. The method is simple in technical route steps, convenient to operate and high in practicability, and provides a new green and environment-friendly technical route for developing high-performance electrode materials.

The invention discloses a preparation method for algal oligosaccharide-containing carbon-based organic fertilizer for rowan crops. The preparation method comprises the following steps: treating algae,namely, cleaning fresh or dried marine alga plants and soaking the cleaned marine alga plants for 12 hours; preparing an alga liquid, namely, grinding the soaked algae into slurry and then filteringto remove large solid; performing enzymolysis on the alga liquid, namely, placing the alga liquid into an enzymolysis tank, adding bacilli, regulating the pH value to be neutral, and performing enzymolysis; performing centrifugal purification, namely, treating the alga liquid into a centrifugal machine for treating after the enzymolysis is completed, performing centrifugal treatment for 5,000 to 6,500 rpm, performing centrifugal treatment for 5 to 8 minutes, and then, concentrating a supernatant by a film evaporation technology to prepare an algal fertilizer liquid. According to the preparation method, charcoal and the alga liquid which is purified from the algae are added into the organic fertilizer to prepare the algal oligosaccharide-containing carbon-based organic fertilizer; oligosaccharide can serve as a regulator for plant growth and regulate the organic fertilizer and the soil so as to promote the absorption of the rowan crops to the organic fertilizer; therefore, good growth of the rowan crops is ensured.

The invention relates to the field of cosmetics and particularly relates to grifola frondosa extract-containing natural aftershave. The grifola frondosa extract-containing natural aftershave is prepared from the following raw materials in parts by weight: 10-20 parts of grifola frondosa extract, 5-10 parts of imperata cylindrica extract, 5-10 parts of natural extract, 5-10 parts of aloe gel juice, 150-200 parts of deionized water, 2-5 parts of marine alga extract, 2-5 parts of citric acid, 2-5 parts of marine salt, 3-5 parts of hydroxyethyl cellulose, 10-15 parts of cinnamyl alcohol and 0-3 parts of natural essence. According to the aftershave provided by the invention, various physical and chemical indices reach or exceed the national standards, the production process of the aftershave is the same as that of the traditional aftershave, fully-natural ingredients are adopted, sensory indices and the physical and chemical indices meet specified requirements, the use effect is good, and no adverse reaction on human bodies exists.

The invention discloses a seaweed carbon sequestration protein prediction method and system based on machine learning. The method comprises the steps: acquiring marine algae protein sequence data, andcarrying out the feature extraction of the data; screening the extracted features, and inputting the screened features into a trained machine learning classifier; and outputting a prediction result of the seaweed carbon sequestration protein. According to the method, a machine learning algorithm is adopted to predict whether the protein has the carbon sequestration function or not, compared witha mode of analyzing a large number of biological sequences based on a traditional biochemical experiment, manpower and material resources can be effectively saved, introduction of personal errors to interfere with a result or cause interference is avoided, and the method has higher prediction efficiency and accuracy.

The invention discloses a system and research method for a long-term acidification adaptability research of large marine algae, and belongs to the field of algae physiological ecology. The system comprises a culture workshop and a workshop long-running water system, the workshop location is selected within 1 km from a natural sea area, and the roof of the workshop is translucent glass fiber reinforced plastic tiles; the workshop long-running water system comprises a water storage tank, a carbon dioxide enrichment tank and an algae culture tank; water in the water storage tank is diverted fromthe natural sea area, the water storage tank, the carbon dioxide enrichment tank and the algae culture tank communicate by drainage pipes, and the drainage pipes are equipped with valves to control water inlet amounts and water outlet amounts; and the carbon dioxide enrichment tank is equipped with a carbon dioxide enrichment machine to adjust the pH value of sea water by an aeration method. According to the system, a relatively stable seawater acidification culture system for large algae is established through a method that the workshop long-running water carbon dioxide enrichment system communicates with the natural sea area, and a pilot scale research on long-term acidification adaptability of large algae developed under natural conditions is realized by using the system.

The invention belongs to the technical field of bioengineering and particularly relates to a method for preparing biological butyl alcohol with marine algae as raw materials. The method comprises the steps that marine algae are pretreated and saccharified to obtain marine alga hydrolysate, and the marine alga hydrolysate serves as the raw materials to prepare biological butyl alcohol. According to the method, marine algae serve as the raw materials and are prepared and then used for preparing a fermentation medium, and continuous anaerobic fermentation is carried out for 72-120 h at 35-40 DEG C to prepare biological butyl alcohol through inoculated fermentation. Compared with a traditional method, the method has the advantages that land for people is not occupied, and grain in the land is not influenced. In the method, cellulase is used for carrying out saccharifying pretreatment on the marine algae, the cell wall screen of the algae is broken through, and polysaccharide in cells of the marine algae is decomposed and utilized. In addition, by means of the method, the inhibiting effect of brown algae polyphenol and the like in a marine algae treatment solution on growth of thalli is eliminated, the high-efficiency yield of biological butyl alcohol is achieved and improved, and great significance is achieved on promoting the industrialization development of production of marine algae biological butyl alcohol, protecting the environment and guaranteeing grain safety.

The invention relates to a feed containing lactic acid fermentation mixture of marine alga and a method for producing the same. The invention verifies the effectiveness of a lactic acid fermentation mixture which is prepared by using an unutilized marine alga such as wakame seaweed stems, provides a feed and a feed additive for growing high value-added livestock. A feed or a feed additive that comprises a lactic acid fermentation mixture contains a marine alga together with at least one material selected from the group consisting of a cereal, a formula feed and hay.

A method of producing hexose oxidase by recombinant DNA technology, recombinant hexose oxidase and the use of such enzyme, in particular in the manufacturing of food products such as doughs and dairy products, animal feed, pharmaceuticals, cosmetics, dental care products and in the manufacturing of lactones. Suitable sources of DNA coding for the enzyme are marine algal species including Chondrus crispus, Iridophycus flaccidum and Euthora cristata. In useful embodiments, the recombinant hexose oxidase is produced by Pichia pastoris, Saccharomyces cerevisiae or E. coli.