60 results about "Palm kernel meal" patented technology

The invention provides a saving-type daily ration for laying hens during an egg laying peak. The saving-type daily ration is composed of the following components in parts by weight: 25-40 parts of corn, 5-15 parts of barley, 2-6 parts of bean pulp, 6-11 parts of corn DDGS (Distillers Dried Grains with Soluble), 1-5 parts of rapeseed dregs, 2-6 parts of peanut meal, 1-4 parts of glutamic acid residue, 3-10 parts of rice bran, 2-5 parts of rice bran meal, 3-8 parts of fermented palm kernel meal, 1-3 parts of bentonite, 1-4 parts of rice oil, 4-6 parts of stone powder with the granularity of 10 meshes, 1-4 parts of stone powder with the granularity of 20-40 meshes, 0.4-1.2 parts of calcium hydrophosphate, 0.2-0.4 part of table salt, 0.1-0.2 of baking soda, 0.07-0.15 part of probiotics, 0.05-0.15 part of choline chloride, 0.05-0.1 part of complex enzyme preparation, 0.4-1.2 parts of synthetic amino acid and 0.5-1 part of compound premix. The saving-type daily ration for the laying hens during the egg laying peak has the advantages that the corn and the bean pump are replaced by miscellaneous meals such as the palm kernel meal, the rice bran meal, the rapeseed dregs and the DDGS, the enzyme preparation, the probiotics and the like are used for improving the intestinal health conditions of the laying hens and guaranteeing the egg laying capacity and the quality of eggs, and furthermore, the breeding cost can be reduced; the saving-type daily ration make a contribution to the industry of the laying hens.

The invention discloses a compound feed for improving egg products of laying hens. The compound feed comprises cereals, bean pulp, rapeseed meal, rice bran meal, peanut meal, cottonseed meal, palm kernel meal, bran, corn germ meal, corn gluten meal, fish meal, insect powder, shell powder, natural betaine, dicalcium phosphate, salt, lysine, methionine, threonine, liquid phytase, compound enzyme preparations, trace element premix, vitamin premix and feed additive. A method for preparing the feed additive comprises the steps of frying atractylodes lancea and green tangerine peel for standby application, adding honeysuckle, motherwort, prunella, eucommia, astragalus, angelica dahurica, Japanese knotweed, amomum villosum, folium isatidis and pummelo peel into clear water to perform decoction, obtaining medicine residue, blending and smashing the fried materials and the medicine residue, adding modified attapulgite powder to perform mixing evenly, and obtaining the feed additive. The special feed additive is added to the compound feed, so that the feed structure is changed, the laying rate is improved while the safety in egg production of the laying hens is guaranteed, and the egg quality is improved.

The invention relates a method for degrading palm meal and palm kernel meal by using an enzyme. The method mainly comprises the steps of mixing dry palm meal and / or palm kernel meal with enzyme solution containing mannase, placing the mixed materials at a temperature of 40-100 DEG C for zymohydrolysis, and manufacturing finished products after 4-80 hours, wherein the use level of the mannase for the dry palm meal and / or the palm kernel meal per gram is 5-120 units, the pH value of the enzyme solution is kept between 2-11, and the moisture content of the mixed materials is kept between 30-70%. Through the processing method in the invention, no large quantities of waste is produced, and the product has the advantages of higher nutritional value, simple and easy process, low cost, and good product stability. The processed product can be used as animal feed instead of corn and bean pulp.

The invention relates to a functional pellet feed for high yield cows in the lactation period, which comprises the following components: 13-23% of corns, 1-10% of palm kernel meal, 15-25% of corn fiber, 17-27% of corn germ meal, 8-18% of barley, 8-18% of wheat, 2-12% of bean meal, 1-10% of corn DDGS (Distillers Dried Grains with Soluble), 1-10% of puffed beans, 1-2% of limestone powder, 1-5% of cotton seed meal, 1-8% of double-low rapeseed meal, 0.5-2.5% of glucose powder, 1-5% of liquid molasses, 0.3-1% of table salt, 0.5-3% of saturated fat powder and 0.5-1.5% of compound premix for cows. In the invention, energy liberation and proteolysis are synchronously controlled, and the functional pellet feed has important significance in increasing solid feed intake in summer, increasing milk yield, improving milk quality, increasing postpartum conception rate and reducing the incidence of incidence.

The invention discloses a duck feed containing palm kernel meal and a preparation method thereof. Raw materials comprising corn, cassava slice, corn protein feed, palm kernel meal and the like are adopted, smashed and mixed to be uniform, nutrition preparations comprising lysine hydrochloride, methionine, multiple vitamins and complex enzymes are added, steam blending is carried out, so that raw powder is cured to certain extent, and then granulation is carried out, thus obtaining the finished product, wherein the palm kernel meal is obtained by stewing, peeling, squeezing and separating fresh palm berry fruit strings. In the invention, by products after palm berry fruit is squeezed for oil is used fully, the palm kernel meal is used in meat duck feed, corn and soybean meal raw materials in short supply can be saved, thus reducing production cost; other raw materials are combined, thus product is full of nutrients, has balance of protein and amino acid, is rich in vitamins microelements, has good palatability and high digestibility and can be applicable to different meat ducks, especially cherry valley meat ducks.

The invention relates to the field of feeds for livestock and poultry, specifically to a special feed for laying hens in a growing period. The feed is prepared from the following raw materials by weight: 150 to 180 parts of corn, 35 to 40 parts of sorghum shorts, 45 to 50 parts of soybean meal, 50 to 60 parts of unhusked rice, 45 to 50 parts of rice bran, 55 to 60 parts of palm kernel meal, 45 to 50 parts of peanut straw, 2 to 3 parts of pig bone meal, 1 to 2 parts of zeolite, 3 to 4 parts of pawpaw seed, 1 to 2 parts of fish scale powder, 2 to 3 parts of sea-tangle powder, 4 to 5 parts of Hemerocallis minor, 4 to 5 parts of couch grass root, 5 to 6 parts of mulberry leaf, 2 to 3 parts of dried silverfish meal, 2 to 3 parts of butter, 2 to 3 parts of bean worm powder, 3 to 4 parts of sow thistle, a proper amount of salt and 4 to 5 parts of feed attractant. According to the invention, protein components and energy components in the feed are in equal proportion, the added pawpaw seed, sea-tangle powder, Hemerocallis minor, dried silverfish meal, butter and the like contain a plurality of amino acids, vitamins and trace elements, so overweight or underweight of laying hens in the growing period is prevented, normal growth and development of laying hens are guaranteed, the daily laying rate of the laying hens is improved, and a laying period is prolonged.

The invention discloses a tapioca-chip-containing meat duck mixed feed which comprises the following raw materials: corn, wheat, corn vinasse, peanut pulp, cotton pulp, plasma protein powder, bean concentrated protein, palm kernel meal, tapioca chip, edible salt, Lishubao, mountain flour, calcium hydrophosphate, 60 percent of choline chloride, methionine, threonine, lysine, liquid complex phosphoesterasum, liquid phytase, allicin, sodium bicarbonate, vitamin premix, trace element premix and a traditional Chinese medicine additive. The tapioca-chip-containing meat duck mixed feed has the beneficial effects that the relatively cheap tapioca chip in the meat duck feed replaces partial corn; scientific mixing is realized; on the premise that the overall growth property of meat duck is not influenced, the cost of the feed formula of a feed factory and a cultivation enterprise is reduced; feed resources are saved; and a good social value is created.

The invention belongs to the field of feed combination, and discloses an efficient beef cattle fattening granulated feed which is prepared from the following raw materials in percentage by weight: 30-40% of corns, 1-15% of palm kernel meal, 15-25% of corn fibers, 10-20% of corn germ meal, 1-15% of barley, 1-15% of wheat, 2-12% of bean pulp, 1-10% of corn DDGS (distillers dries grains with soluble), 1-10% of extruded soybean, 1-2% of limestone powder, 1-5% of flour, 0.2-0.8% of baking soda, 0.5-3.5% of liquid molasses, 0.3-1% of table salt, 0.5-3% of saturated fat powder and 0.5-1.5% of beef cattle compound premix. According to the invention, the energy utilization is maximized, the daily ration structure for beef cattle is effectively balanced, the generation of methane in rumen is reduced, the nitrogen recovery is promoted, the daily gain can be improved by 46.15%, the dressing percentage is increased by 9.5%, the fattening period is shortened by 53 days, and the discharge of organicnitrogen and phosphorus is reduced by 50-60%.

The invention discloses a feed with the effect of enhancing the immunity and resistance of livestock. The feed is prepared from the following raw materials: maize, wheat, rice bran meal, soybean meal, rapeseed meal, peanut meal, cottonseed meal, palm kernel meal, bran, cassava powder, maize alcohol lees, fish powder, plasma protein powder, salt, cane sugar, calcium hydrophosphate, natural betaine, methionine, threonine, lysine, isoleucine, modified attapulgite powder, a trace element premix, a vitamin premix and a feed additive, wherein a preparation method of the modified attapulgite powder comprises the following steps: dissolving chitosan in an organic acid solution, then adding attapulgite, reacting, carrying out filter pressing, calcining, grinding and sieving, adding garlic essential oil, zingiberol, mannan oligosaccharides, berberine and a complex enzyme preparation and mixing the materials uniformly, thus obtaining the modified attapulgite powder. The feed with the effect of enhancing the immunity and resistance of livestock has the effect of enhancing the body immunity and resistance of livestock, can achieve the effect of improving the gastrointestinal functions and does not have drug residues.

The invention relates to the field of feed for livestock and poultry and in particular relates to a broiler feed for improving lean meat percentage. The feed is prepared from the following raw materials in percentage by weight: 50-60 parts of palm kernel meal, 50-60 parts of barley, 60-70 parts of rice bran, 80-100 parts of silage corn, 45-50 parts of sorghum flour, 45-50 parts of oat groats, 12-15 parts of fructus cannabis, 35-40 parts of rice hull, 25-30 parts of soy sauce residue, 3-4 parts of milk vetch, 2-3 parts of almond meal, 2-3 parts of cuttlefish meal, 2-3 parts of coconut oil, 2-3 parts of mackerel dried powder, 6-8 parts of bush vetch seedlings and 4-5 parts of a phagostimulant. The raw materials, such as the cuttlefish meal and mackerel dried powder, containing taurine are added into the feed, so that thick sebum of the broilers is effectively reduced, the lean meat percentage is improved, and the obtained chickens are delicate and tender in meat, proper in fineness and high in edibleness.

The present invention discloses a specific feed for meat chickens. The feed comprises the following raw materials: corns, vinegar residues, fermented soybean meal, palm kernel meal, cottonseed meal, fish meal, tenebrio molitor, chicken liver, montmorillonite powder, natural zeolite powder, edible salt, flaxseed oil, corn oil, grape seed oil, plant essential oil, calcium superphosphate, compound vitamins, compound minerals, lysine, methionine, methionine oligopeptides, algal polysaccharides, epimedium polysaccharides, propolis flavones, traditional Chinese medicinal additives, lipoic acid, enzyme preparations, taurine, undaria pinnatifida, and alpha-ketoglutaric acid. The provided special feed for the meat chickens is scientific in formula and comprehensive in nutrition, can meet the growth needs of the meat chickens, improves the immunity of the meat chickens, promotes the growth of the meat chickens, and improves the economic benefits of farmers.

Mannose-containing palm kernel meal obtained by functioning a mannan degrading enzyme or an acidic catalyst to palm kernel meal. Mannose can be produced at a high yield by using palm kernel meal which is highly resourceful. An extraction process is not necessarily required in using free mannose effectively so that enzymically treated palm kernel meal containing the degradation product may be used untreated. It may be dried or extracted if necessary.

The invention discloses a slow-released fertilizer for greening plants and a preparation method of the fertilizer. The fertilizer is prepared from the following raw materials in parts by weight: 60-80 parts of cow dung, 24-45 parts of fallen leaves and weeds, 15-20 parts of potato starchy residues, 10-15 parts of castor cakes, 5-10 parts of palm kernel meal, 14-18 parts of dried beancurd stick residues, 12-16 parts of peanut bran, 10-15 parts of sunflower seed cakes, 7-13 parts of soy residues, 10-15 parts of burnt sienna, 5-10 parts of furnace ash residues, 6-12 parts of red mud, 5-10 parts of shale ceramisite, 4-8 parts of chalk powder, 3-6 parts of tea pollen, 2-4 parts of magnesia, 15-20 parts of polyacrylic acid, 5-10 parts of hydroxyethyl cellulose, 1-2 parts of undecylenic alcohol ester, 3-6 parts of sodium lignosulphonate, 4-8 parts of polyvinyl alcohol, 15-20 parts of solid paraffin, 10-15 parts of asphalt, 5-10 parts of rosin and 20-30 parts of tung oil. The fertilizer is good in slow release performance and high in fertilizer efficiency, and has important economic, social and ecological benefits; nutrients needed for early growth of the greening plants can be provided, so that the greening plants grow well; the sufficient fertilizer can be provided for later-period growth of the greening plants, so that the 2-4-year nutrient requirements of greening nursery stocks are completely met, the fertilizer does not need to be applied for multiple times, the utilization rate of the fertilizer is increased, and the fertilizing cost is reduced.

The invention relates to the field of livestock and poultry feeds and in particular relates to a feed special for broiler chickens. The feed is prepared from the following raw materials in parts by weight: 160-180 parts of corns, 60-80 parts of rice, 45-50 parts of wheat bran, 35-40 parts of rice bran, 15-20 parts of whey powder, 45-50 parts of palm kernel meal, 25-35 parts of sorghum straws, 2-3 parts of hydrolyzed feather meal, 2-3 parts of bone powder, 2-3 parts of lentinula edodes, 2-3 parts of dasheen, 2-3 parts of water melonseeds, 2-3 parts of salted jellyfish, 4-5 parts of kochia scparia tender leaves, 2-3 parts of mint leaves, 1-2 parts of honey bee pupae powder, a proper amount of edible salt and 4-5 parts of a phagostimulant. According to the feed for the chickens, which is provided by the invention, the proportion of coarse proteins to energy raw materials in the feed is properly reduced; by the addition of vitamin-enriched green plants, the feed is rich in nutrition, and the palatability of the feed can be increased; salted jellyfish, the water melonseeds and the like contain various precious trace elements, so that the problems of slow growth and the like of the chickens, which are caused by lack of the trace elements, can be solved; the survival rate of the continuously fed broiler chickens is high, and the weight gain is obvious; the utilization rate of the feed is high, the feed cost is reduced, and the breeding benefit is improved.

The invention discloses a feed formula for local chickens in a growing period. The feed formula comprises the following components in parts by weight: 55-65 parts of corn, 4-6 parts of hydrolyzed feather powder, 5-8 parts of barley pest powder, 6-12 parts of rice, 10-15 parts of soybean meal, 4-6 parts of palm kernel meal, 2-3 parts of fish meal, 2-3 parts of silkworm chrysalis powder, 1-2 parts of soybean lecithin, 2-3 parts of carrot residue, 3-5 parts of buckwheat shell powder, 1.5-2.5 parts of composite stone powder, 2.5-4.5 parts of kelp root powder, and 1.2-1.8 parts of a premix. The feed formula for pheasants in the growing period disclosed by the invention is prepared according to the growth characteristics of the local chickens, and is comprehensive and balanced in nutrition. The feed is rich in protein and various vitamins, the ratio of various nutrition ingredients is moderate, the palatability is good, the feed conversion rate is high, the disease resistance of the pheasants can be significantly enhanced, the incidence of diseases is reduced, the weight gain is rapid, the feed conversion ratio is low, and the breeding benefit is high.

The invention discloses biological fermented meat duck feed. The biological fermented meat duck feed comprises, by weight, 20-30 parts of corn, 15-20 parts of black bean flour, 7-10 parts of corn stalk powder, 5-10 parts of soybean concentrated proteins, 10-15 parts of weed seeds, 6-9 parts of vegetable waste, 6-8 parts of palm kernel meal, 8-10 parts of ziziphus jujube leaves, 5-10 parts of conchmeal, 5-10 parts of bean pulp, 2-5 parts of orange peel, 3-7 parts of shrimp head meal, 1-2 parts of biological bacteria, 1-2 parts of complex enzyme preparations, 1-4 parts of salt, 0.8-2 parts of mushroom, 1-3 parts of bean worms, 1-3 parts of broken stone, 0.5-0.8 part of multi-vitamins, 0.1-0.4 part of lysine, 0.05-0.15 part of methionine and 1-3 parts of calcium hydrophosphate. The biological fermented meat duck feed has the advantages that the biological bacteria and the complex enzyme preparations are matched with one another, accordingly, the biological fermented meat duck feed can besynergistically fermented, and the average daily weight gain and the feed intake of meat ducks can be increased after non-fermented feed is replaced with the biological fermented meat duck feed.

Disclosed is a process for the production of d-mannose from fermented palm oil kernel meal using a continuous SMB separation process. The process is useful for providing a simplified processing route to providing high purity d-mannose. The SMB process and the SMB cycle was operated to provide a high purity mannose stream comprising d-mannose, salts, and color agents, a primary raffinate comprising glucose, other sugars and salts, and a secondary raffinate consisting essentially of the mobile phase desorbent. In the SMB cycle, the secondary raffinate was recycled to the SMB process as the mobile phase desorbent without further desalination. The highly pure mannose stream was further treated to remove color agents and salts prior to subsequent steps of precipitation or crystallization and drying. D-mannose is useful as a food additive, as a sweetener, as a texturizer, as a stabilizer, or as a humectant.

The invention belongs to the technical field of cultivation of mushrooms, in particular relates to an edible fungus culture medium, and further relates to a manufacturing method of the edible fungus culture medium. The edible fungus culture medium disclosed by the invention is characterized by comprising the following components: corncobs, palm kernel meal, palm leaves, palm fruit shells, palm shells, palm pulp residue, lime, cottonseed hull, sugar, light calcium carbonate, needle mushroom roots, and manganese. After being cultured by adopting the edible fungus culture medium disclosed by the invention, the edible fungus is rapid in fungus raising, vigorous in hypha growth and low in infectious microbe pollution rate; the produced edible fungus has all kinds of quality and nutritional characteristics of the edible fungus produced by utilizing ordinary culture mediums; furthermore, the biological conversion ratio is high. Due to the edible fungus culture medium disclosed by the invention, the use amounts of saw dust and cottonseed hull are obviously reduced, the environmental disruption caused by deforestation is effectively reduced, and the cost is reduced, therefore, the edible fungus culture medium disclosed by the invention is worthy of being popularized.

The invention discloses a concentrated feed for pigs. The concentrated feed for pigs is prepared from the following raw materials in parts by weight: 3-4 parts of calcium dihydrogen phosphate, 0.5-0.6 part of zinc sulfate, 0.03-0.05 part of riboflavin, 0.3-0.5 part of thiamine mononitrate, 2-4 parts of sodium chloride, 270-300 parts of bean pulp, 10-14 parts of lychee exocarp, 1-2 parts of prepared rehmannia roots, 40-50 parts of palm kernel meal, 3-5 parts of dregs of fat, 28-30 parts of a chelated emulsion, 10-13 parts of barley vinegar residues, 1-2 parts of sodium hydrogen sulfite, 30-40 parts of potato slurry residue and 0.1-0.2 part of tocopheryl acetate. Trace elements added into the concentrated feed are less than that in a conventional feed, so that the cost is low; however, the feed still can meet the demand on normal growth and development of pigs.

The invention relates to the field of feed processing, in particular to a solid inoculant for making silage corn and preparing and using methods thereof. The solid inoculant comprises, by mass, 4-6% of probiotics, 50-70% of molasses, 15-25% of dried tapioca residue and 10-20% of palm kernel meal. Moisture content of the solid inoculant is 20-25%, and the solid inoculant is used for making the silage corn and can effectively adjust moisture of the silage corn, increase dry matter content and lactic acid content of the silage corn, lower rotting rate of the silage corn and improve quality of the silage corn.

The invention provides a method for producing palm kernel meal protein feed through solid state fermentation. According to the method, palm kernel meal serves as the raw material, the palm kernel meal is degraded through solid state fermentation by means of a microorganism mixed strain, and finally the palm kernel meal protein feed is obtained. The microorganism mixed strain is a mixed strain composed of bacillus, candida utilis and aspergillus niger. Various strains are used for mixed culture, mildew and yeast are used for mixed culture on a culture medium, mildew can be used for decomposing cellulose and starch easily, the yeast mainly uses a sugar source, utilization efficiency of a substrate is improved by means of the synergistic effect of the strains, and the protein content and the nutritional function of the feed are improved. Four to five kinds of strains are mixed for culture, and adaptability and mixed bacteria prevention capacity of the raw material substrate can be improved.

The invention provides a preparation method of a ruminant fermented feed. The preparation method comprises the following steps of: 1) mixing two to six of six feed raw materials including corn bran, corn germ meal, corn sugar residues, sea buckthorn seed meal, palm kernel meal and xanthoceras sorbifolia meal according to a certain ratio to obtain a first mixture; 2) preparing a liquid fermentation culture medium and sterilizing at high temperature and high pressure; 3) inoculating ruminococcus, eubacterium and amylophilus ruminococcus into three parts of the liquid fermentation culture medium respectively to prepare corresponding seed solutions; and 4) adding bacillus licheniformis, bacillus subtilis, lactobacillus plantarum, saccharomyces cerevisiae, mannase, xylanase, acid protease and acid cellulase into any one seed solution prepared by step 3); after uniformly mixing, adding a mixture into the first mixture and fermenting; and after fermenting, obtaining the fermented feed. According to the preparation method provided by the invention, corn byproducts and miscellaneous meal are used as the raw materials and are subjected to biological pre-treatment to prepare the ruminant feed, so that the additional value of the corn byproducts is improved.

The invention belongs to the technical field of poultry feed, and particularly relates to no-soybean meal feed for breeding hens in a egg laying peak period and a preparation method thereof. The no-soybean meal feed for the breeding hens in the egg laying peak period is characterized in that components comprise 20-26% of rapeseed meal, 5-12% of palm kernel meal, 1-3% of soybean oil, 0.3-0.6% of lysine, and 0.5-1% of premix. The feed is made by combining the rapeseed meal with stable quality and no risk of mycotoxin and the palm kernel meal, the soybean meal in the feed for the breeding hens inthe egg laying peak period is completely replaced, and the formula cost is greatly reduced; the dosage of the lysine and fat is increased, the amino acid of diet is balanced and the energy value is increased, and the application effect is ensured; compound enzyme is added to improve the feed utilization rate; and dietary fiber level is improved by the rapeseed meal and the palm kernel meal, and therefore, intestinal health, breeding hens egg production rate, egg quality and reproductive performance are improved.

The invention discloses pig feed with concentrated protein. The pig feed comprises the following raw materials in parts by weight: 150-200 parts of puffed bean meal, 7-10 parts of corn spraying protein, 0.7-1 part of grape seed oil, 10-20 parts of palm kernel meal, 2-3 parts of aloe fruit, 1-2 parts of cooked egg yolk, 3-5 parts of mustard, 1-2 parts of durian core, 10-15 parts of banana peel, 40-50 parts of bran, 2-3 parts of persimmon leaf, 5-7 parts of pomegranate seed, 1-2 parts of semen cuscutae, 20-30 parts of soybean curb residue, 1-1.6 parts of radix rehmanniae preparata, 1-3 parts of gerbera, 3-4 parts of undaria pinnatifida, 2-4 parts of citric acid residue and 2-4 parts of nutritional flavoring agent. The pig feed disclosed by the invention has the advantages that the pig feed is rich in the amino acid and the composite vitamin, so that the immunity and the disease resistance can be better enhanced; and the puffed bean meal is adopted as a main material, so that the protein can be guaranteed to be absorbed in a higher-efficiency manner, and the loss and the waste of nutrient substances can be reduced.

The invention discloses a rye flour-based loach feed. The feed comprises, by weight, 40-50 parts of rye flour, 2-3 parts of mashed garlic, 6-10 parts of palm kernel meal, 4-6 parts of corn sugar residues, 4-7 parts of shell of sword bean, 4-8 parts of highland barley powder, 4-5 parts of beer yeast powder, 1-2 parts of Sophorajaponica Linn., 3-4 parts of pomegranate rind, 2-3 parts of grapevine stem and leaf, 0.01-0.02 parts of delactosed lactalbumin powder, 4-5 parts of Cornus officinalis, 30-40 parts of rice bran, 30-40 parts of bean cake, 2-3 parts of licorice root, 7-9 parts of Sophorajaponica Linn., 2-3 parts of oat shell, 1-2 parts of Psychotria serpens Linn, 2-4 parts of Gaodan grass, 0.4-1 part of fish oil and 3-4 parts of a phagostimulant. The feed has the advantages of abundant sources of raw materials, low price, production ill reduction, good palatability to loaches, promotion of the food eating of the loaches, growth acceleration, scientific and reasonable matching of the raw materials, provision of nutrition needed by all growth stages of the loaches, disease resistance improvement and mortality reduction.

The invention discloses a method for preparing manno-oligosaccharide from palm kernel meal by microwave-assisted low alkali. The method is characterized by comprising the following steps: carrying out microwave-assisted extraction on the crushed palm kernel meal; carrying out filter pressing or centrifuging on a mixed solution, then taking supernatant, and adjusting a pH value of the supernate to be 7; carrying out enzymolysis on the supernatant with mannase for 7 to 12 hours and then carrying out vacuum concentration; carrying out alcohol precipitation on a concentrated solution and then centrifuging to obtain a precipitate, and freeze-drying the obtained precipitate, thus obtaining a manno-oligosaccharide crude product. According to the method disclosed by the invention, the palm kernel meal is selected as a raw material and is subjected to crushing, sieving and microwave-assisted alkali treatment, so that the use amount of the alkali is reduced and the extraction effect of the alkali is improved; after solid-liquid separation is ended, a palm kernel meal pretreatment product with a good enzymolysis effect is obtained; in addition, the hindering effect of lignin on degradation of mannan in the palm kernel meal is reduced, and thereby the efficiency of converting the mannan in the palm kernel meal into the manno-oligosaccharide is effectively improved; besides, the dosage of a chemical reagent is reduced, environmental protection is facilitated and the production cost is reduced, thereby obtaining higher economic value.

Disclosed is a process for the production of d-mannose from fermented palm oil kernel meal using a continuous SMB separation process. The process is useful for providing a simplified processing route to providing high purity d-mannose. The SMB process and the SMB cycle was operated to provide a high purity mannose stream comprising d-mannose, salts, and color agents, a primary raffinate comprising glucose, other sugars and salts, and a secondary raffinate consisting essentially of the mobile phase desorbent. In the SMB cycle, the secondary raffinate was recycled to the SMB process as the mobile phase desorbent without further desalination. The highly pure mannose stream was further treated to remove color agents and salts prior to subsequent steps of precipitation or crystallization and drying. D-mannose is useful as a food additive, as a sweetener, as a texturizer, as a stabilizer, or as a humectant.