53 results about "PL Extract" patented technology

Disclosed are compositions and corresponding methods of their use that include extracts from Loropetalum chinensis, Camptotheca acuminate, Lonicera maackii, Washingtonia filifera, Artemisia parviflora, Glochidion lanceolaris, Polygonum hydropiper, Populus davidiana, Tsoongiodendron odorum, Trema angustifolia, Ficus tikoua, Pistacia chinensis, Zizyphus mauritiana, Garuga forrestii, Michelia figo, Sabina chinensis, Cuphea balsamona, Setaria palmifolia, Polygonum lapathifolium, Machilus longipedicellata, Geranium nepalense, Ipomoea obscura, Cedrus deodara, Quercus aliena, Carqueja, Condurango, Catuaba, Carex baccans, Chrysalidocarpus lutescens, Gnaphalium pensylvanicum, Celtis sinensis, Cassia siamea, Catalpa yunnanesis, Potamogenton perforliatus, Cinnamomum japonicum, or any combination thereof.

The invention relates to a burdock fruit extract, its preparing process and use thereof, wherein the extract comprises 51-80 wt% of total lignanoids compound with burdock aglycone as the main ingredient and burdock glycosides, and 20-49 wt% of other constituents.

The present invention provides a method of efficiently and stably producing LCPUFA-PL. Specifically, the invention provides a method for producing phospholipids that contain LCPUFA as a constituent (LCPUFA-PL), wherein lipid producing cells producing lipids that contain long-chain polyunsaturated fatty acids (LCPUFA) are used as a starting material, the method including a PL extracting step of extracting phospholipids (PL) from defatted cells obtained by extracting triglyceride (TG)-containing oil or fat from the lipid producing cells.

The invention discloses a method for preparing a PL (platelet lysate) and an application of the PL. The method for preparing the PL comprises the following steps: concentrated platelets are centrifuged under a centrifuge at 800-1000 rpm for 15-25 min, the upper layer is platelet-rich plasma and the bottom layer is a red blood cell layer after centrifugation, and the red blood cell layer at the bottom is separated out; the upper platelet-rich plasma is mixed thoroughly in batches, and platelets are sufficiently lysed with a multigelation process; cell debris is removed, and the final PL is obtained. The invention also provides a cell culture method for culturing cells with the prepared PL. With adoption of the method, the yield of PL extracted from the concentrated platelets can be increased to 95%, operation time is shortened, and clinical expired products can be repeatedly used and developed.

A method of treating neurological condition in a subject by administration of an extract, or fraction or sub-fraction thereof, of Nerium species or Thevetia species is provided, wherein the extract, or fraction or sub-fraction thereof, excludes oleandrin and neriifolin. Alzheimer's disease, Huntington's disease or stroke are treated by administering a therapeutically effective amount of the extract, or a fraction or sub-fraction thereof, to a subject. The extract can be present in a pharmaceutical composition.

The invention relates to an ophiopogon japonicus extract, a preparation method and the hypoglycemic application thereof. The preparation method of the ophiopogon japonicus extract comprises: ophiopogon medicine is taken to be decocted for 1-3 times, added with water by 5-20 times every time, then decocted for 30-120min every time, and filtered and merged into water-decocted liquid; after being concentrated to the density of 1.05-1.35g/ml, the obtained water-decocted liquid is added with ethanol until the alcohol content has the volume percent of 50-80%, and is collected and precipitated after staying over night; the precipitation is separated and purified by sephadex column, and then processed by vacuum freeze drying, so that white loose flocculent crystal which is the ophiopogon japonicus extract can be obtained, and the extract has the sugar content of 90-98%( based on fructose) as well as the molecular weight within the range of 500-2000. Animal experiments prove that the ophiopogon japonicus extract has remarkable hyperglycemic effect, and the action mechanism of the ophiopogon japonicus extract can be further explained by vitro experiments; the result shows the ophiopogon japonicus extract can reduce blood sugar levels by inhibiting the activity of alpha-glucosaccharase in alimentary canal, reduce the absorption for glucose by intestinal villi and the protective action for islet cells. Therefore, the extract can be used for developing medicine for treating type II diabetes.

The invention discloses a trichosanthes bark and allium macrostemon extract and a preparation method thereof. The composition is prepared by adopting the following steps: mixing trichosanthes bark with allium macrostemon in the weight proportion of 2:1 to 1:1; adding water or C1-3 ethanol with the concentration less than 50 percent for extraction; extracting an extracted solution by ion exchange resin and macroporous absorbent resin; extracting 50 to 90 weight portions of components from trichosanthes bark and the ion exchange resin of allium macrostemon; extracting 10 to 50 weight portions of components from the trichosanthes bark and macroporous resin of the allium macrostemon; mixing the two components; and obtaining the extract. The extract is applied to preparing medicines for treating diseases of cardiovascular system, and has determined curative efficacy; moreover, the extract reaches the goal of reducing dose without reducing medicine efficacy and has an extensive application prospect.

The invention provides a composition of a drug extract for eliminating face acne marks and a preparation method of the composition. The drug composition having the effect for eliminating the face acne marks. The composition is prepared from the following raw materials: root of polygala fallax, herb of nervilia fordii, herb of euphorbia hirta, barke of cassia siamea, herb of salvia plebeia, herb of origanum vulgare, herb of lycopodium clavatum, herb of pothos chinensis, leaf of tetracera scandens and radix aconiti carmichaeli, wherein the weight percent of any component of the root of polygala fallax, herb of nervilia fordii, herb of euphorbia hirta, herb of cassia siamea, herb of salvia plebeian, herb of origanum vulgare, herb of lycopodium clavatum, herb of pothos chinensis, leaf of tetracera scandens and radix aconiti carmichaeli is not greater than 10 percent of the total weight. The composition has a remarkable effect for eliminating the face acne marks, and is definite and safe in efficacy and free from irritation and sensitization to the skin.

The invention relates to a paeonia suffruticosa peel flavonoid extraction process and extracts thereof. The extraction process of paeonia suffruticosa 'Feng Dan' peel flavonoids is optimized with theyield of paeonia suffruticosa 'Feng Dan' peel flavonoids as the index, the influence of the four factors of ethanol volume fraction, liquid-material ratio, extraction temperature and ultrasonic poweron the yield of peel flavonoids is investigated, and the optimal extraction process parameters for paeonia suffruticosa 'Feng Dan' peel flavonoids are determined by analyzing the test result. An in-vitro anti-oxidation test on the flavonoid extracts in paeonia suffruticosa 'Feng Dan' peel shows that the flavonoid extracts in paeonia suffruticosa 'Feng Dan' peel have a scavenging effect on ABTS andDPPH within a concentration range selected in the test, the phenomenon of great waste of paeonia suffruticosa peel at present is avoided, and the paeonia suffruticosa peel resource is better developed and utilized.

The invention relates to an Ovateleaf Holly Bark extract product having a hepatic injury prevention effect, and an application thereof. Ovateleaf Holly Bark is dried bark or velamen of an Aquifoliaceae plant Ilex roundda Thunb.. The active extract product is prepared on the basis of researches of the traditional efficacies of Ovateleaf Holly Bark. The Ovateleaf Holly Bark extract product can substantially reduce the activity of ALT and AST in the serum of CCl4/alcohol caused hepatic injury model mice and the content of MDA in hepatic tissues of the mice, and enhances the SOD activity of livers, so the active extract has an obvious hepatic protection effect on chemical hepatic injuries and alcoholic hepatic injuries.

The invention discloses jujube flower extract and an antibacterial application thereof. The extract is obtained in the following steps: crushing the jujube flowers, soaking the crushed jujube flowersfor twice by using an ethanol aqueous solution with the volume concentration of 90 percent according to a material-liquid ratio of 1:2 to 1:4, wherein the soaking time for each time is 24 to 72 hours;decompressing concentrating the soaking solution at the temperature of 30 to 50 DEG C, and obtaining extract; and extracting the extract by using ethyl acetate and water in a dispersion manner, and decompressing concentrating an ethyl acetate phase at 25 to 40 DEG C, and obtaining the jujube flower extract. By virtue of the activity screening of the jujube flower extract as well as a monomer compound for the seven selected bacteria (grampositive staphylococcus aureus ATCC 43300, staphylococcus aureus ATCC 33591, staphylococcus aureus ATCC 29213, staphylococcus aureus ATCC 25923, enterococcusfaecalis ATCC 51299, enterococcus faecium ATCC 35667 and escherichia coli ATCC 25922), the jujube flower extract has good antibacterial activity, and can be used as an antibacterial agent.

The invnetion discloses application of radix angelicae sinensis as a unique active component to preparation of drug for relieving fever. The drug for relieving fever is obtained by taking the radix angelicae sinensis or a radix angelicae sinensis extract as the unique active component and adding acceptable auxiliary additive component. The radix angelicae sinensis extract can be an extract of theradix angelicae sinensis extracted with 0 to 100% ethanol solution or radix angelicae sinensis volatile oil, the mass content of ferulic acid in an ethanol extract is larger or equal to 1%, the mass content of ligustilide in the ethanol extract is larger than or equal to 30%, the mass content of ligustilide in the radix angelicae sinensis volatile oil is larger than or equal to 30%. the application of the radix angelicae sinensis as the unique active component to preparation of drug for relieving fever takes the radix angelicae sinensis or the radix angelicae sinensis extract as the unique active component, the prepared drug is applied to prevention and control of fever, achieves significant curative effects, for example, when the effective drug component is within a certain range, the effect of relieving the fever of the effective drug component is superior to that of aspirin and a ligustilide monomer.

An extract of Polygonum multiflorum Thunb. ex Murray var. hypoleucum (Ohwi) or of Polygonum hypoleucum (Ohwi) for improving metabolic syndrome is prepared by the following method: (a) providing fresh or dry Polygonum multiflorum Thunb. ex Murray var. hypoleucum (Ohwi) or Polygonum hypoleucum (Ohwi) in partial or whole plant ; (b) extracting the partial or whole plant by a solvent to obtain a crude extract; (c) condensing and drying the crude extract to obtain an extract product; and (d) collecting the extract product. The present invention also relates to a pharmaceutical and a food composition having the above extract for improving the metabolic syndromes. The extract of the present invention can be easily prepared and is demonstrated to modulate the levels of both blood glucose and blood lipid, to inhibit the activities of glycolytic enzymes and acetyl-CoA carboxylase, and to stimulate acyl-CoA oxidase. The extract of the present invention is capable of improving metabolic syndromes.