1289 results about "Grape seed" patented technology

The invention discloses a water-replenishing repairing cosmetic as well as a preparation method and application thereof. In the invention, a skin water-replenishing repairing cosmetic with an excellent effect is prepared by combining traditional cosmetic effective raw materials with genetic engineering product biotic factors and adopting a vacuum freeze-drying technique. The cosmetic disclosed bythe invention comprises water-replenishing repairing freeze-dried powder and water-replenishing repairing base liquid, wherein the freeze-dried powder comprises the following main components: grape seed extract, hydrolyzed red alga extract, low-molecular-weight hyaluronic acid, hydrolyzed collagen, recombinant human keratinocyte growth factor, recombinant human epidermal cell growth factor and micromolecular heparin sodium; and the base liquid comprises the following main components: hyaluronic acid (HA) with molecular weight of 1500000-2500000, methyl propanediol, honey extract, PCA (pyrrolidone carboxylic acid) sodium, dissolved proteinase, 1,2-hexylene glycol, oat beta-glucan, soybean isoflavone and the like. The water-replenishing repairing cosmetic disclosed by the invention can be used for daily skin nursing, can also be used through introduction by virtue of ultrasonic and other methods, and has the beautifying effects of replenishing skin water, repairing damaged cells caused by water deficiency and enhancing skin elasticity.

The invention provides a health care fruit vinegar. The health care fruit vinegar is prepared by the steps of washing, squeezing, fermenting, ageing, filtering and sterilizing through taking fresh and matured gallnut, ophiopogon root, wheat, liquorice, medlar, sticky rice, honeysuckle and grape seeds as raw materials. The health care fruit vinegar has a certain health care function.

The invention relates to a green synthesis method for nanometer zero-valent iron by utilizing grape seeds and an application, and belongs to the field of nanometer material and wastewater treatment. The preparation method is characterized in that nanometer zero-valent iron particles are prepared by taking waste grape seed extracting solution as dispersing agent and antioxidant under the condition of room temperature, and the nanometer zero-valent iron particles prepared through the method has good dispersibility and stability. The nanometer zero-valent iron particles prepared by the method are used for catalytically degrading reactive dye in wastewater, under the condition that the pH of the dye wastewater is equal to 2 to 10, more than 98% of azo-dye reactive brilliant red K-2G is degraded in 9min, more than 95% of anthraquinone dye reactive brilliant blue KN-R is degraded in 30min, and the environmental adaptability is high, and the degrading efficiency is high. The method is simple in technology, economic and efficient, resource utilization of grape seeds is realized, the synthetic nanometer zero-valent iron has extremely high activity, and the method has wide application prospect.

The invention relates to a health food having the functions of oxidation resistance and immunity enhancement, which is prepared from grape seeds, green tea, blueberry, tomato, kudzu vine root, ginseng, gynostemma pentaphylla, astragalus root, ganoderma lucidum and matrimony vine through extraction by water or organic solvent, returning flow, organic solvent extracting, mixing and preparing proportionally, and charging auxiliary materials. The food can be prepared into various dose forms including powders, tablets, capsules or oral liquids.

The invention provides nutrient plant blending oil. The nutrient plant blending oil comprises components in percentage by weight as follows: 20%-40% of rapeseed oil, 10%-20% of linseed oil, 6%-12% of sunflower seed oil, 5%-15% of peanut oil, 4%-8% of wheat germ oil, 2%-10% of camellia seed oil, 1%-5% of seabuckthorn seed oil, 3%-8% of walnut oil, 2%-5% of grape seed oil, 0.1%-2% of allicin, 0.1%-2% of docosahexaenoic acid, 0.1%-2% of vitamin E, 0.1%-2% of curcumin and 0.1%-1% of resvaritrol. The production method of the blending oil comprises steps as follows: the raw materials are weighed in the proportion and then added to a mixing vessel, nitrogen is injected at the temperature of 40-60 DEG C, so that pressure in the mixing vessel can keep 0.1-0.5 Mpa, vibration and blending are performed through ultrasonic waves for 60-120min and then are left to stand for 3-5 hours, and primary blending oil is obtained; then bentonite and activated carbon in the weight ratio of 1:(2-4) are added to the primary blending oil, the mixture is stirred for 30-60min at a rotation speed of 80-100 r/min, then solid impurities are filtered out, and the nutrient plant blending oil is obtained. The blending oil integrates edible and health-care functions of various kinds of plant oil, and the nutrient plant blending oil has more nutrition and health-care functions due to addition of functional additives.

The invention discloses an extraction method for a natural pigment. The extraction method for a natural pigment comprises the following steps of: (1) washing, drying and crushing raw materials, then passing through a 100-mesh sieve, performing homogeneous extraction in the mixed solution of ethanol aqueous solution in the percentage of 60-95% by volume and hydrochloric acid aqueous solution in the concentration of 0.1 mole per litre, and filtering after the extraction, so as to obtain a filtrate, wherein the pH value of the obtained mixed solution is 2.0-5.0; and the homogeneous extraction comprises a high-speed pre-treatment phase and a homogeneous extraction phase; (2) neutralizing, centrifuging and deslagging the filtrate obtained in the step (1), so as to obtain a supernatant; and (3) concentrating and drying the supernatant obtained in the step (2), so as to obtain the natural pigment, wherein the raw materials are chestnut shells, black soya bean skins, dragon fruit peels, lychee exocarps, grape seeds, hickory exocarps, acorn shells, orange peels, hazelnut shells, nectarine peels and purple sweet potato or purple-black broomcorn shells. The extraction method disclosed by the invention is simple in process, low in requirements on production equipment, not easy to break pigment substances, and high in extraction rate.

The invention relates to an anti-oxidation health-care wine and its production method, wherein the wine is prepared from the oxidation resistant reactive constituents in grape seed and peel extracted with high grade white spirit or brandy with high ethanol content, the the oxidation resistant reactive constituents in grape seed and peel is proanthocyanidin, resveratrol, polydatin, which can effectively remove excess oxygen-derived free radicals in human bodies.

The invention discloses comprehensive nutrition powder and a preparation method thereof. The comprehensive nutrition powder is characterized by comprising the following raw materials: vitamin B1, vitamin B2, vitamin B6, pantothenic acid, vitamin B12, vitamin C, vitamin A, vitamin K, vitamin D, vitamin E, biotin, folic acid, calcium, magnesium, iron, zinc, selenium, chromium, copper, manganese, corn fiber flour, inulin, soy isolate protein powder, black bean peel extract, Agaricus blazei Murill extract, soya bean lecithin, phaseolus calcaratus extract, L-carnitine, beta carotene, lycopene, citrus extract, vanadium, acerola cherry extract, grape seed extract, maltodextrin, essence, aspartame and acesulfame. The comprehensive nutrition powder refers to a rich nutrition food which is researched directionally, can be highly matched with low sugar diet and fitting exercise to form a conditioning scheme which specially aims at treating obesity and three highs, can achieve a comprehensive and obvious rehabilitation effect of weight loss and reduction of three highs, and is easy to popularize in a large scale.

The invention relates to a multifunctional diet tea, consisting of thirty-seven traditional Chinese medicines as follows: astragalus, burdock, cassia seed, glossy privet fruit, apocynum venetum, elephant foot, lotus leaf, rhizoma polygonati, five-leaf gynostemma herb, Chinese hawthorn leaf, alfalfa, coix seed, spatholobus suberctu, summer purslane, rhizoma alismatis, caulis akebiae, divaricate saposhnikovia root, eucommia ulmoides, cortex cinnamomi, polygonum multiflorum, rosemary, beautiful sweetgum fruit, rose, centella, esliptae herba, radix bupleuri, radix scutellariae, Chinese magnoliavine fruit, hawthorn, cacumen biotae, pine needle, grape seed, oriental wormwood, acanthopanax root, parasitic loranthus, white atractylodes rhizome and felwort. The multifunctional diet tea related by the invention has obvious effects of reducing fat and losing weight, improving the metabolism of the body and curing gout and hyperlipidemia.

The invention discloses a vegetarian diet set meal. The vegetarian diet set meal comprises following raw materials, sticky rice, coix seed, black rice, corn, buckwheat grain, oat, milled glutinous broomcorn millet, millet, unpolished rice, sorghum rice, wheat, barley, lucid ganoderma, hazelnut kernel, pine nut kernel, pistachio nut kernel, apricot kernel, sunflower seed kernel, peanut kernel, ginkgo kernel, soybean, black soya bean, black kidney bean, circassian bean, mung bean, pea, broad bean, chickpea, hyacinth bean, sword bean, petits pois, kidney bean, snow bean, green soy bean, dwarf bean, winged bean, hickory kernel, cowpea, pumpkin seed, cashew nut, grape seed, cucumber seed, purple perilla seed, lettuce seed, brassica juncea var seed, Chinese waxgourd seed, bitter gourd seed, chayote seed, gold towel gourd seed, towel gourd seed, winter squash seed, cucurbita pepo seed, bottle gourd seed, and celery seed. According to a preparation method, 159 raw materials which are used contain the comprehensive nutrients needed by human body, nutrient balance and sufficiency are achieved, requirements of people on nutrients are satisfied effectively, effect is excellent, and only natural food materials are used.

The invention relates to a technology for extracting effective components from a natural product and in particular relates to a method for extracting oil and procyanidin from grape seeds. The method comprises the following process steps: preparing grape seeds, grinding, performing ultrasonic extraction to obtain grape seed oil, and performing ultrasonic extraction to obtain procyanidin. The method integrates the characteristics of an ultrasonic extraction method and a double-solvent extraction method, has the characteristics of low solvent dosage, low extraction cost, high extraction efficiency, less influence on the environment and the like, and can be used for effectively avoiding the problem that in the extraction process of the prior art, the bioactivities of grape seed oil and procyanidin are damaged.

The invention discloses a production method of grape seed oil, which belongs to the technical field of the food processing. Grape seeds are cleaned and broken, the moisture content of the grape seeds is adjusted, and the refined grape seed oil is produced through the procedures such as pre-heat treatment, enzymolysis, microwave treatment, post heat treatment, drying, squeezing, alkali refining, hydration, heat-cold treatment, decoloration and filtering. With the production method, the oil yield reaches 95 percent or more, procyanidin extraction rate can reach 60 percent or more, the destroy degree of other ingredients such as oilmeal protein after the oil pressing is small, the quality of the produced grape seed oil is good, and the nutrient components of the grape seed oil is maximally reserved; and particularly, the refining processes such as alkali refining, hydration, heat-cold treatment, decoloration and the like effectively removes different water-solubility and fat-soluble harmful foreign matters in the crude oil, so the quality of the grape seed oil is improved, and the quality guarantee period is prolonged.

The invention discloses a preparation method of proanthocyanidin. In the method, grape seed, pine bark, purple potato or any other plant with high proanthocyanidin content is used as a raw material, an ethanol aqueous solution is used as an extraction solvent, and a double water phase extraction method is utilized to efficiently prepare proanthocyanidin from a crude proanthocyanidin extract. The invention has the advantages of high product yield, high product purity, low solvent consumption, low cost and the like, and can easily implement industrial production.

The invention discloses a culture material for pleurotus nebrodensis and a cultivation method of the pleurotus nebrodensis. The culture material is prepared from the following components by weight percent: 50-60% of corn cob, 7-12% of lotus receptacle, 8-12% of peanut shells, 10-15% of grape seeds, 5-15% of corn flour, 1-2% of vinasse, and 1-2% of calcium carbonate. The cultivation method comprises the steps of sterilizing the culture material, inoculating after cooling, culturing hypha for 25-35 days at 25-28 DEG C, keeping the humidity of the environment to be 75-95% with 1wt% of a water-soluble carbon nano tube solution, transferring the cultured hypha into a fruiting chamber after mediotrastum dispersing, growing sporocarp for 10-12 days at 13-18 DEG C and harvesting. The culture material and the cultivation method of the pleurotus nebrodensis is characterized in that the grape seeds contain rich multi-amino acids, vitamins and mineral substances, can increase the yield, improve the quality of the pleurotus nebrodensis and increase the biotransformation efficiency of the pleurotus nebrodensis; a water-soluble carbon nano tube has the effects of promoting the plant growth, preventing from damage by external conditions and the like, and can increase the yield, improve the quality of the pleurotus nebrodensis and shorten the growth period of the pleurotus nebrodensis hypha; besides, the grown pleurotus nebrodensis has the good quality and a large pleurotus nebrodensis body.

The present invention relates to the extraction of proanthocyanidin from plant material, and is especially the resin extraction process of proanthocyanidin from grape seed. Grape seed as material is extracted with water and/or alcohol as solvent at normal temperature or heating condition; the extractive liquid is filtered, concentrated while recovering alcohol solvent, re-filtered while adding water, the filtrate is adsorbed with macroporous adsorptive resin, the saturated resin is eluted with water solution of alcohol and the eluent is dried while recovering solvent to obtain the product. The process has yield of 3-10 %, and the product has proanthocyanidin content of 38-90 %. The present invention has the advantages of low cost and no residual solvent in the product, and is environment friendly and suitable for industrial production.

The invention discloses a process for hypercritical extraction of grape seed oil and resin adsorption abstraction of proanthocyanidin, which comprises, employing hypercritical carbon dioxide to extract grape seed oil from comminuted grape seeds under abstraction pressure of 20-35MPa at 40-50 deg. C, heating degreased grape seeds with 25-35% water solution of ethanol for backflow, charging 50-70% ethanol or isopropanol solution into the concentrated extract liquid, agitating and stewing, decompressing and filtering, thus obtaining proanthocyanidin crude extract liquid, then adsorbing with polystyrene resin, carrying out desorption with desorbent after adsorption saturation, drying the eluent under reduced pressure, finally obtaining refined proanthocyanidin product.

The invention relates to a method for dyeing with a dye extracted from a grape beverage and grape seeds as waste resources in wine industry processing, which is characterized in that a grape seed pigment solution is adopted to dye protein fiber fabrics such as wools, silks and the like with a directly dyeing method or an aluminium ion and iron ion pre-mordant dyeing method. A dyeing technology has the following parameters: the bath ratio of (25-50):1, a dye bath pH value of 3-5, the grape seed dosage of 1-6 percent (o.w.f), dyeing temperature of 30 DEG C, temperature rise rate of 1-3 DEG C/min, temperature rising to 80-100 DEG C and insulation time of 60-120min. The aluminium ion and iron ion pre-mordant dyeing method is characterized by comprising the following steps of, firstly, carrying out pre-mordant dyeing on the protein fiber fabrics by adopting aluminium ions and iron ions, and putting the protein fiber fabrics such as the wools, the silks and the like into a grape seed pigment dye bath to dye. Fabrics in different colors can be obtained by adopting different mordants. The invention can efficiently utilize grape seed waste resources and expand the application field of completely nontoxic grape seed pigments.

The invention provides soybean sauce mutton shashlik and a preparation method thereof. The mutton shashlik is characterized by being prepared from the following raw materials in parts by weight: 260-280 parts of mutton, 1-1.5 parts of liquorice, 2-2.2 parts of platycladi seed, 1.2-1.4 parts of semen plantaginis, 2.2-2.4 parts of white poria, 2.5-2.7 parts of thunbergia fragrans root, 3-3.3 parts of carrot leaf, 1.5-1.8 parts of morusaustralis poir, 8-10 parts of cashew nut, 10-11 parts of panicum miliaceum, 3-4 parts of cheese powder, 4-5 parts of water-soaked bamboo slice, 1-2 parts of grape seed powder, 4-5 parts of hawthorn kernel powder, 22-24 parts of soybean sauce, 50-55 parts of rock candy, 10-11 parts of grape juice, and 3-4 parts of nutrition additive. The mutton flavor is rich because beneficial components in traditional Chinese medicines can be sufficiently absorbed by the mutton through cooking, the mutton shashlik tastes sweet and refresh due to the syrup cooked by the rock candy and the grape juice, and the prepared mutton shashlik is bright in color, unique in flavor and nice in smelling, and can meet the requirement of consumers to color, flavor and taste. Furthermore, the soybean sauce mutton shashlik has the effects of invigorating spleen and replenishing qi, clearing heat and removing toxicity, tranquilizing by nourishing the heart, and resisting tumors.

The present invention is antioxidant vegetable and fruit health food capable of eliminating free radical in body and its production process. The health food is chewing tablet produced through mixing grape seed extract 0.5-5 wt%, vegetable and fruit powder 15-40 wt%, composite vitamins 0.5-5 wt%, mineral mixture 1-5 wt%, soybean polypeptide 1-5 wt% and supplementary material 40-65 wt%. The antioxidant vegetable and fruit health food has reasonable combination of nutrients with complementary and synergistic effects, and can eliminate free radical in body, improve fat metabolism, prevent hyperlipemian and assist health care for old and middle aged people.

The invention relates to the technical field of health-care nourishment, in particular to a probiotics solid beverage and a preparation method thereof. The probiotics solid beverage provided by the invention comprises the following raw materials in parts by weight: 5-40 parts of water-soluble dietary fibers, 1-15 parts of five cereal powder, 0.1-10 parts of fruit-vegetable enzyme powder, 1-10 parts of xylitol, 0.05-0.1 part of grape seed polysaccharide, 0.005-0.01 part of Chinese wolfberry polysaccharide and 0.005-0.015 part of lentinan, 0.005-0.015 part of a dendrobium officinale enzyme and 1x10<6>-5x10<6>CFU of probiotics added to each gram of matrix grains. The probiotic solid beverage of the invention is prepared by combining three materials including the probiotics, the food enzyme and precious traditional Chinese medicine extractive, and the compound use of the three materials can play a better synergistic effect so as to realize a plurality of efficacy of regulating the intestinal tracts, supplementing with nutrients and improving immunity.

The present invention discloses a small meat duck feed, which comprises the following raw materials, by weight, 40-50 parts of corn, 15-20 parts of wheat shorts, 10-15 parts of rice bran, 5-10 parts of rapeseed meal, 5-10 parts of bran, 4-6 parts of fermented sweet potato residue, 0.5-1 part of stone powder, 0.5-1 part of tenebrio molitor powder, 0.2-0.3 part of gravy salt, 5-8 parts of fresh pig blood, 2-4 parts of corn protein powder, 2-4 parts of persimmon peel powder, 3-5 parts of sophora japonica leaf powder, 0.5-1 part of calcium hydrogen phosphate, 0.1-0.15 part of methionine, 0.5-0.6 part of lysine, 0.04-0.05 part of betaine, 0.02-0.03 part of grape seed, 0.1-0.2 part of allitricin, and 3-4 parts of a Chinese herbal. According to the present invention, the formula is added with the fresh pig blood, the sophora japonica leaf powder, the persimmon peel powder, the tenebrio molitor powder and other raw materials, such that palatability and nutrition of the feed and small meat duck feed intake can be increased, and good effects are provided for digestion promotion, feed utilization rate improvement, weight increase per day of the duck, economic benefits and the like.

The invention discloses traditional Chinese medicine toothpaste adopting grape seed matrix abrasive and a preparation method of the traditional Chinese medicine toothpaste. The traditional Chinese medicine toothpaste is prepared from smashed grape seed, hydrogenated artemisia oil, bamboo vinegar, water lily amino acid viscose silk protein, lactoferrin, polyethylene glycol, sodium citrate, sodium soybean protein acid, sodium cyclohexylsulfamate, potassium dodecyl sulfate, forsythiaside, tea polyphenol, persimmon polysaccharide, glycyrrhetinic acid, sodium alginate, nano attapulgite, porous micromolecule high-energy water and deionized water. Forsythiaside traditional Chinese medicine extract has effects of resisting bacteria, diminishing inflammation, reducing fever and treating wind-heat type common cold; forsythiaside matched with porous micromolecule high-energy water is subjected to micro molecularization treatment, so that efficacy and stability of forsythiaside are improved; the grape seed matrix abrasive which is miniaturized and passivated is adopted, so that harmfulness of abrasion is reduced, abrasion effect is improved, and toothpaste cost is reduced.

The invention discloses a method for extracting grape seed oil by cold pressing, which can ensure the natural characteristic of the grape seed oil, is less in nutritional ingredient loss, and meanwhile can obtain higher oil extraction rate. The method comprises the step of adding compound enzyme enzymolysis process in the grape seed preprocessing step. The invention has the benefits that the technical scheme is that the cell walls of grape seeds are further destroyed by adopting an enzymolysis technology to facilitate oil flowing out, and then the grape seeds are cold-pressed to extract oil. The invention has the advantages that the natural characteristic of the grape seed oil can be ensured, the nutritional ingredient loss is less, and meanwhile, higher oil extraction rate can be obtained, so that the resources can be utilized more sufficiently. From the aspects of the production technology, the technological parameters and the product quality, as compared with the similar technology, the method adopting the technical scheme shows a good application effect and is high in product quality.

The invention discloses a method for continuously extracting grape seed oil and proanthocyanidin from grape seeds. The method comprises the following steps of: (1) treating grape seeds, and performing crushing, enzymolysis and vacuum drying on the grape seeds; and (2) firstly extracting the grape seed oil by using the supercritical carbon dioxide extraction technology, changing the extracting temperature and the extracting pressure after the grape seed oil is extracted, adding an entrainer, collecting a secondary extract, and obtaining a proanthocyanidin extract through separation and purification. By adopting the method, the total unsaturated fatty acid in the grape seed oil is 80-90 mass percent, and the proanthocyanidin in the proanthocyanidin extract is 90-98 mass percent. By adopting the method, the technologies of vacuum drying, cellulose enzymolysis and supercritical extraction are effectively integrated, so that low-temperature, low-energy, green, efficient and continuous extraction of the active ingredients in the grape seeds is realized. The grape seed oil and the proanthocyanidin extract are widely applied to the fields of medicine, food and health-care food, and have wide prospects.

The purpose of the invention is to provide a surgical mask with sufficient antibacterial properties, by uniformly manifesting on the surface of nanofibers a functional material with antibacterial and antiviral properties. The problem is solved by a mask with a functional material which comprises a nanofiber containing at least one base polymer selected from a group consisting of PVA, polylactic acid, fibroin, chitosan, chitin, nylon 6, nylon 6,6, nylon 9T, nylon 610, polyamide, polystyrene, polyacrylonitrile, polyethylene terephthalate, polyvinyl chloride, polyurethane, polyester, zein, collagen and methoxymethylated nylon, and at least one functional substance selected from a group consisting of catechin polyphenols, persimmon tannin polyphenols, grape seed polyphenols, soybean polyphenols, lemon peel polyphenols, coffee polyphenols, phenylcarboxylic acid, ellagic acid and coumalin, and having a diameter of 1 nm to 2000 nm.

The invention belongs to the field of an alcohol making technique and a product thereof, particularly the field of a wine making technique and a product thereof. The invention relates to a method for making proanthocyanidin-rich wine, which comprises the following steps: taking grapes as a raw material, crushing, filling into a tank, fermenting, separating skin and residue from the fermentation liquid, and aging the fermentation liquid to obtain the wine liquid. The invention is characterized in that grape seeds obtained after separating skin and residue are cleaned, dried and added into the fermentation liquid which is higher than 6 %vol, or the aged wine is kept soaking until the proanthocyanidin content in the aged wine reaches 300-600mg/ml, thereby obtaining a thick proanthocyanidin wine liquid; and the wine liquid is blended with a commonly brewed wine liquid to obtain the proanthocyanidin-rich wine of which the proanthocyanidin content is up to 200-400mg/100ml, and the mixture is filled to obtain the finished product. In the wine making process, more proanthocyanidin can be obtained without adding any other substance, and the quality of the wine is enhanced.

The invention provides a grape seed proanthocyanidins health beverage and a preparation method. The beverage is prepared by the following steps of: extracting leftover grape seeds in a wine plant, performing combined membrane separation technology on the extract to obtain clarified, deastringented and proanthocyanidins-enriched purified liquid, and adding water and various flavoring agents into the purified liquid in a ratio to obtain the product. The beverage does not have the astringent taste of the grape seed per se and yeast taste generated in the wine fermentation process, and also fully keeps the medicinal values of the grape seed.

The invention discloses a method for planting the grape. The method comprises preparing grape seeds, treating the grape seeds using brine; treating the grape seeds using a medicament; accelerating germination of the grape seeds; sowing the grape seeds; transplanting grape seedlings; and controlling insect diseases. Compared with the present methods for planting the grape, the method has prominent advantages, by adopting the above technical scheme to cultivating seedlings of the grape, the germination capacity of the grape seeds is larger than 96%, and the survival rate of transplantation is larger than 90%; the grape seeds are soaked in the brine firstly, and then are treated by ultrasonic waves, peels of the grape seeds can conveniently soften, the water absorption speed of the seeds can be accelerated, and conversion from starch, protein and the like substances to soluble substances which can be easily absorbed by embryos can be facilitated. A matrix for cultivating grape seedlings comprises pine wood chips as a main matrix skeleton, and main components forming the matrix comprise fermented cotton seed casings and peanut casings, the raw materials are wide in source and low in cost.

The present invention discloses life nourishing biscuits and a preparation method thereof. The biscuits are made from the following raw materials in parts by weight: wheat flour 60-80 parts, soybean powder 8-15 parts, purple sweet potato powder 8 -12 parts, Chinese yam powder 5-15 parts, vegetable oil 10-20 parts, yacon micro powder 10-15 parts, eggs 5-10 parts, milk powder 6-15 parts, persian walnuts 4-10 parts, pistachios 5-8 parts, baking soda 0.5-1.5 parts, ammonium bicarbonate 1-2 parts, red dates 3-9 parts, Chinese wolfberries 1-5 parts, grape seeds 2-10 parts, honey 8-18 parts, xylitol 1-8 parts, food additives 2-5 parts, table salt 3-10 parts and a proper amount of water. The preparation method is simple and environment-friendly, the produced biscuits are delicious and tasty, and also can promote gastrointestinal peristalsis, promote digestion, regulate gastrointestinal environment, strengthen and tonify spleen, nourish essence and reinforce kidney, resist oxidation, lower blood fat, blood pressure and cholesterol, nourish liver and moisten lung, maintain beauty and preserve countenance and resist fatigue and other functions.

A method for extracting and separating procyanidine comprises the steps of: separating the coat from the kernel of grape seeds or seabuckthorn seeds; crushing the seed coat into 10 meshes to 80 meshes; adding the crushed seed coat into alkali-water solution, alkali-alcohol-water solution or alkali-acetone-water solution with the pH value of 9 to 14 according to the solid-liquid ratio of 1g:1-10ml, conducting extraction for 1 hour to 10 hours at the temperature of 10 DEG C to 50 DEG C and then filtration; repeatedly extracting and filtering a filter cake until the filtrate is colorless or pale color; merging the filtrate and concentrating the filtrate till the weight of the filtrate is 0.5 time to 2 times of the weight of the seed coat raw materials; extracting the concentrated liquid with organic solvent and separating the liquid for obtaining an organic phase and a water phase; neutralizing the water phase with acid and adding methanol or ethanol with the volume of 1 time to 10 times, stirring, standing and filtrating; evaporating the filtrate, washing the obtained solid with water and then drying the solid for obtaining an oligomeric procyanidine product; and washing the filter cake with water and then drying the filter cake for obtaining the high-polymerization procyanidine. The invention has the advantages of less raw material input quantity, high product purity, high extraction rate, green environmental protection, simple process, and convenient industrial production.