188 results about "Yerba santa extract" patented technology

The invention relates to the technical field of daily chemicals, in particular to a preparation method and application of a sapindus mukorossi fermentation product with oil-controlling and dandruff-removing effects. The preparation method comprises the following steps: (1) drying soapberry in the air, separately powdering peel and seeds, adding 75-80 parts of water, performing ultrasonic extraction at 35 DEG C for 2 hours, then adding 0.5-0.9 part of dipotassium phosphate, sterilizing, and inoculating 3-5% of lactic acid bacteria liquid for fermentation; (2) after the fermentation is finished, adding 3-7 parts of sterilized aloe extract, 2-5 parts of mulberry leaf extract, 5-10 parts of tea bran extract and 6-9 parts of rose extract, adjusting the pH value to 5-7, inoculating 3-5% of schizosaccharomyces pombe, culturing for 24-36 hours at 28-30 DEG C, and introducing oxygen at 0.3-0.5 L / min; and (3) centrifuging at 10000r, and filtering through a sieve plate to obtain clear fermentation liquor, namely the sapindus mukorossi fermented product. The soapberry peel and the soapberry seeds are separately crushed, and the peel powder and the seed powder are mixed according to a ratio of 90%: 10% for use, so that the saponin content and the irritation are favorably controlled, and the use feeling is improved.

The present invention belongs to the field of biotechnology, and discloses a composition for reducing the emission of odorous substances from poultry, comprising rutin or mulberry leaf extract, Clostridium butyricum, and Bacillus subtilis; the mass ratio of rutin or mulberry leaf extract, Clostridium butyricum, and Bacillus subtilis is 1-3:0.5-1.5:1; the specification of Clostridium butyricum is 1 billion CFU / g, and the specification of Bacillus subtilis is 1 billion CFU / g. The composition utilizes the flavonoid additive rutin or mulberry leaf extract, Bacillus subtilis, and Clostridium butyricum in combination, which can significantly improve the ability of Bacillus subtilis and Clostridium butyricum to inhibit odor. At the same time, the present invention also discloses the application and feed of the composition.

The invention discloses a preparation method and application of a mulberry leaf extract with high stability and high activity in a protein food system, and belongs to the field of food processing and nutrition and health. The mulberry leaf extract is prepared by taking mulberry leaves as a raw material through steam explosion and ball milling pretreatment, compound enzyme directional enzymolysis, ultrasonic-assisted extraction, protein-induced sedimentation combined with ultrafiltration membrane selective impurity removal, compound stabilization treatment and drying. The obtained extract is rich in 1-deoxynojirimycin (DNJ) and mulberry leaf polysaccharide, high-polymerization-degree polyphenol is remarkably removed, and high clarity and heat stability are achieved. The DNJ retention rate gt is obtained after the milk is stored at 37 DEG C for 7 days when the milk protein is applied to a milk system; and therefore, the product prepared by the method is obviously superior to the product prepared by the prior art. The extract is pure in flavor and high in biological activity, and can be widely applied to the field of healthy foods such as dairy products and protein beverages.

The invention relates to an anti-aging composition, a skin care product and a preparation method of the anti-aging composition and the skin care product. The anti-aging composition is prepared from the following components in parts by weight: 0.05 to 0.20 part of collagen, 0.05 to 0.20 part of elastin, 0.10 to 3.00 parts of water lily flower extract, 0.50 to 2.20 parts of folium mori extract, 0.50 to 2.40 parts of rhizoma dioscoreae extract and 1 to 10 parts of beta cyclodextrin. Compared with the prior art, the water lily extract, the mulberry leaf extract and even elastin have the capability of scavenging free radicals, and the Chinese yam extract has the capability of activating human body to synthesize collagen, so that the anti-aging effect is very remarkable through the synergistic interaction of the water lily extract, the mulberry leaf extract and even elastin; external supplement of collagen is matched with an internal synthesis effect, so that the collagen accumulation speed in the skin is greatly increased, the number of wrinkles is effectively reduced, and the anti-aging effect is improved.

The invention relates to the technical field of scalp care, in particular to a hair-blacking composition for promoting melanin secretion and a preparation method of the hair-blacking composition. Comprising the following components in parts by weight: water, ethanol, a ginseng root extract, a polygonum multiflorum extract, a cacumen biotae extract, a licorice root extract, an eclipta prostrata extract, a ganoderma atrum extract, a rhizoma bletillae root extract, a mulberry leaf extract, radix sophorae flavescentis powder, a glossy privet fruit extract, a raspberry fruit extract and a black sesame extract. According to the technical scheme, the ganoderma atrum extract is prepared through enzymolysis-ultrasonic combined modification, a cell wall structure is decomposed through compound enzyme, then cell remains are further broken through the ultrasonic cavitation effect, and the release rate of active peptide and polysaccharide is increased; the hair-blacking composition can promote the generation of hair melanin so as to blacken hair, improve the hair quality, enable the hair to become tough and elastic, and enable the hair to gradually become black, smooth and firm after being smeared on the scalp for a long time.

The invention belongs to the technical field of health-care food, and particularly relates to a sacha inchi oil-based gel candy with functions of reducing hypertension, hyperglycemia and hyperlipidemia and a preparation method thereof, and the sacha inchi oil-based gel candy comprises the following components: 1) a main component: 30-70% of sacha inchi oil; 2) a blood fat reducing synergistic component which is one or a combination of more of 0.5%-5% of phytosterol, 0.1%-2% of a red yeast rice extract and 0.01%-0.5% of sugarcane octacosanol; 3) a hypoglycemic synergistic component, which comprises one or a combination of more of 5%-20% of inulin / fructo-oligosaccharide, 0.5%-5% of a bitter gourd extract, 0.5%-5% of a mulberry leaf extract and 10-200 [mu] g / grain of chromium; 4) an antihypertensive synergistic component, wherein the antihypertensive synergistic component is one or a combination of more of 500-5000FU / grain of nattokinase, 0.5-5% of a celery seed extract and 1-8% of a hawthorn extract; through scientific compounding, the sacha inchi oil and various synergistic components exert a combined effect, and meanwhile, auxiliary regulation is carried out on blood sugar, blood fat and blood pressure; the main components are derived from natural plant extracts or functional grease, so that the health-care product is high in safety and suitable for daily health care.

The invention provides a mulberry leaf extract rich in sugar inhibition components and a preparation method and application thereof, and the method comprises the following steps: S1, after mulberry leaves are subjected to water extraction, collecting a first water extract and water extraction residues; s2, fermenting the water extraction residues, performing water extraction, and collecting a second water extraction solution; s3, mixing the first water extract and the second water extract, and then performing flocculation, microfiltration, ultrafiltration, membrane concentration and drying; a flocculating agent in the flocculation process is modified chitosan; the modified chitosan is prepared from the following raw materials in parts by weight: 10 parts of chitosan, 1-2 parts of aldehyde sucrose and 3-4 parts of amino polyethylene glycol. According to the preparation method, the steps of the preparation process are controlled, so that the mulberry leaf extract with high sugar inhibition component content is prepared.

The invention discloses a uric acid reducing composition containing eucommia polysaccharide as well as a preparation method and application thereof, and relates to the technical field of biological medicines. The uric acid reducing composition prepared by the invention is prepared from the eucommia polysaccharide, the mulberry leaf extract and the clove extract, and the eucommia polysaccharide, the mulberry leaf extract and the clove extract are compounded for use, so that generation-excretion dual blocking can be formed aiming at different links of uric acid metabolism, and multi-target synergistic uric acid reduction is realized. Meanwhile, plant-derived components are adopted, so that the safety is higher, and adverse reactions can be effectively reduced. Besides, lactobacillus sake, lactobacillus plantarum and kluyveromyces marxianus are adopted as fermentation strains to prepare the mulberry leaf extract through fermentation, and the content of effective components in the mulberry leaf extract can be effectively increased, so that the uric acid reducing effect of the prepared composition is improved.

The invention discloses a composition helpful for maintaining the healthy level of blood sugar. The composition is prepared from the following components in parts by weight: 10-40 parts of diglyceride powder, 15-40 parts of soybean protein isolate, 10-30 parts of xylooligosaccharide, 1-4 parts of mulberry leaf extract, 1-4 parts of radix puerariae extract and 1-4 parts of radix astragali seu hedysari extract. According to the composition disclosed by the invention, a multi-dimensional regulation and control network of metabolic regulation, nutritional supplement and micro-ecological balance can be formed, so that a plurality of components generate a synergistic effect on blood sugar regulation, and the blood sugar regulation capability is remarkably improved.

The invention provides a healthy food, in particular to a hypoglycemic composition based on homology of medicine and food and gradient fermentation type prebiotics, which is a dry powder preparation and comprises a component A and a component B, the component A is a medicinal and edible component, and the component B is a prebiotic component; the component A is prepared from the following components in parts by mass: 2 to 15 parts of folium mori extract, 2 to 10 parts of bitter gourd extract, 2 to 20 parts of rhizoma dioscoreae extract, 1 to 10 parts of radix puerariae extract, 2 to 10 parts of fructus lycii extract, 0.5 to 5 parts of radix polygonati officinalis extract and 0.5 to 5 parts of rhizoma polygonati extract; the component B is prepared from 20 to 50 parts of resistant dextrin, 5 to 15 parts of xylooligosaccharide, 3 to 10 parts of inulin and 35 to 50 parts of D-psicose. The hypoglycemic activity of the traditional medicinal and edible materials is organically combined with the gradient fermentation type prebiotics, so that the hypoglycemic effect is realized by synergism of multiple action mechanisms, and the problems of single hypoglycemic mechanism and non-ideal blood sugar regulation effect of the existing product are solved.

The invention provides a satiety dietary fiber composition for inhibiting appetite as well as a preparation method and application thereof, and relates to the technical field of foods. The satiety dietary fiber composition disclosed by the invention is prepared from the following components in parts by weight: 7.5 to 21 parts of dietary fiber particles, 5 to 18 parts of citrus fiber, 0.1 to 0.4 part of folium mori extract, 0.05 to 0.4 part of matcha powder, 0.05 to 0.4 part of sophora flower bud powder and 0.05 to 0.4 part of konjaku flour, the preparation method comprises the following steps: mixing organic acid, water and sodium carboxymethyl cellulose, and concentrating at the temperature of 30-100 DEG C; and continuously drying at the temperature of 100-180 DEG C to obtain the dietary fiber particles. The composition obtained by combining the high-swelling dietary fiber particles and supplementing the citrus fibers, the mulberry leaf extract, the matcha powder, the sophora flower bud powder and the konjaku flour has the effects of delaying digestion time and remarkably reducing weight and fat.

The invention relates to the technical field of plant extracts, and provides a plant extract composition with synergistic hypoglycemic activity and application thereof, and the plant extract composition comprises a mulberry leaf extract, a white kidney bean extract and bitter gourd powder in a mass ratio of 8: (1-24): (1-64). By optimizing the mass ratio of the mulberry leaf extract, the white kidney bean extract and the bitter gourd powder, the blood sugar reducing effect of the plant extract taking the mulberry leaf extract, the white kidney bean extract and the bitter gourd powder as main raw materials is remarkably superior to that of a plant extract in the prior art. Meanwhile, the plant extract composition also has the effects of synergistically reducing the number of neutrophils around nerves, improving peripheral neuroinflammation, synergistically enhancing the fluorescence intensity of the peripheral nerves, improving peripheral nerve injury and inhibiting the enzymatic activity of a bacterium source dipeptidyl peptidase-4.

The invention discloses a mulberry leaf extract for reducing body weight based on blood sugar regulation and a preparation method thereof, and belongs to the technical field of natural product extraction. The mulberry leaf extract is mulberry leaf DNJ, and the extraction and preparation steps of the mulberry leaf extract comprise pretreatment, composite enzymatic hydrolysis, ultrafiltration purification, resin adsorption and freeze-drying molding. By optimizing enzymolysis conditions and a separation and purification process, the extraction rate (gt; and therefore, a foundation is laid for industrial production. DNJ reduces blood sugar and body weight by promoting secretion of GLP-1, when DNJ is combined with GLP-1RA for use, a remarkable synergistic effect is shown, and the effects of reducing blood sugar and losing weight are further enhanced. The invention provides a natural and safe blood glucose reducing and weight losing active component and a preparation method thereof, provides a novel solution for treating diabetes and obesity, and has important social and economic values.

The invention belongs to the technical field of food, and discloses a composition for reducing blood sugar as well as a preparation method and application thereof. The composition comprises the following effective components: 10 parts of animal protein, 15-25 parts of mulberry leaf extract, 5-10 parts of chromium-enriched yeast and 50-100 parts of inulin. The raw material components in the composition can achieve a synergistic effect, the purpose of reducing blood sugar is achieved, the preparation method is simple, and the cost is low.

The invention relates to a health-care product capable of reducing blood sugar. The health-care product comprises a bitter gourd extract, a cinnamon extract, a mulberry leaf extract, chromium, dietary fibers and the like. Through the multi-target effect, the product has a remarkable blood sugar reducing effect, and is suitable for diabetics and hyperglycemia people.

The invention discloses a whitening composition and a preparation method thereof, and belongs to the technical field of functional food, the whitening composition comprises the following components by mass: 20.7-40.7 parts of astaxanthin oil, 45-65 parts of grape seed oil, 5-7 parts of gamma-aminobutyric acid, 4-6 parts of purified water, 1.4-1.8 parts of a grape seed extract (resveratrol), 0.1-0.3 part of a white tomato extract, 0.6-1 part of a polygonatum odoratum extract, and 0.6-0.8 part of a mulberry leaf extract. The whitening composition disclosed by the invention has a good melanin inhibition effect.

The invention discloses a preparation method of a fermented soybean extract-containing composition for controlling blood sugar of type II diabetes people, and particularly relates to the technical field of blood sugar control, and the preparation method comprises the following steps: preparing raw materials, preparing a fermented soybean extract, mixing the materials, applying a low-temperature crushing technology, and detecting alpha-glucosidase inhibitory activity of the fermented soybean extract. A novel packaging material is adopted for packaging. Through the synergistic effect of various natural extracts, such as the fermented soybean extract for inhibiting digestive enzymes, the white kidney bean extract and the mulberry leaf extract for regulating blood sugar and the like, the blood sugar level of a patient is effectively reduced, and the formation mechanism of converting starch food into saccharides and the formation mechanism of fat can be quickly and effectively controlled; the traditional Chinese medicine composition has the effects of quickly regulating blood sugar, controlling body weight, improving organism immunity, regulating blood fat and the like, and reduces the pain of various adverse reactions caused by medicine taking of type II diabetes patients, and the preparation method brings new hope to the type II diabetes patients and is expected to play an important role in diabetes prevention and treatment.

The present invention discloses a rooting agent for guava cuttage seedling raising and its preparation method, belonging to the technical field of fruit tree cultivation. The rooting agent for guava cuttage seedling raising, by mass fraction, comprises the following raw materials: 5-8 parts of mulberry leaf extract, 3-5 parts of willow branch extract, 1-3 parts of moringa leaf extract, 1-3 parts of onion extract, 1-3 parts of bamboo vinegar liquid, 1-3 parts of mineral source potassium humate, 0.03-0.05 parts of graphene oxide, and 1000 parts of water. The above components cooperate synergistically to effectively improve the rooting rate, the number of roots and the shoot sprouting rate of guava cuttage seedlings.

The invention provides a soft capsule helpful for improving the function of chloasma as well as a preparation method and application thereof, and relates to the technical field of health care products. The soft capsule comprises a mulberry leaf extract, a seville orange flower extract, a grape seed extract, an almond extract, donkey-hide gelatin powder, vitamin C and vitamin E. The soft capsule provided by the invention exerts the overall effect of improving chloasma through a multi-target synergistic mechanism from inside to outside: the mulberry leaf extract and the grape seed extract block melanogenesis from the source and resist ultraviolet damage by inhibiting tyrosinase activity and strongly resisting oxidation; the seville orange flower extract is used for soothing liver and regulating qi, and regulating internal pathogenesis; the almond extract and the donkey-hide gelatin powder have the effects of promoting blood circulation to remove blood stasis and nourishing yin and blood, improve microcirculation and nourish skin; vitamin C and vitamin E form an anti-oxidation cycle, so that melanin intermediates are directly reduced, and cell membranes are protected. All the raw materials supplement each other to jointly achieve the comprehensive effects of fading stains, brightening the skin color and improving the skin quality.

This invention discloses a low-allergen compound oral liquid for middle-aged and elderly people that protects the liver, stabilizes blood pressure, blood sugar, and blood lipids, combats aging, aids sleep, and prevents Alzheimer's disease. It belongs to the field of food and medicine homology health food technology. The invention uses kudzu root extract, Japanese raisin tree fruit extract, mulberry leaf extract, jujube seed saponins, Acer truncatum seed oil (nervonic acid), blueberry anthocyanins, bitter melon small molecule peptides, wolfberry polysaccharides, γ-aminobutyric acid, and chrysanthemum flavonoids as core active ingredients, refined with a prebiotic system. This invention achieves comprehensive conditioning effects for middle-aged and elderly people through the synergistic action of five pathways: liver protection and metabolism, vascular regulation, anti-oxidation and anti-aging, nerve calming, and brain nerve repair. It simultaneously nourishes and protects the liver, stabilizes blood pressure, blood sugar, and blood lipids, delays aging, improves intractable insomnia, enhances memory, slows brain atrophy, and prevents Alzheimer's disease. This formula strictly avoids eight common allergens, is pure and mild, and contains no irritating additives, making it suitable for long-term use by middle-aged and elderly people with weak constitutions. This product is an oral liquid formulation, with small molecule extraction, strong permeability, rapid absorption, low gastrointestinal burden, stable production process, and high safety. It has extremely high clinical promotion value and industrialization prospects.

The invention relates to the technical field of raw materials of skin care products, and particularly discloses a skin refreshing composition as well as a preparation method and application thereof. The skincare composition is prepared from the following components in parts by mass: 3.494 to 4.211 parts of a humectant; 0.04 to 0.05 part of a film forming agent; 3.07 to 3.63 parts of a composite extract; 4.728 to 5.98 parts of an antibacterial agent; 3.6 to 4.3 parts of a whitening agent; and 81.829 parts to 85.068 parts of a solvent, the compound extract is prepared by compounding a wolfberry extract, a mulberry leaf extract, a rice fermentation product filtrate, a cordyceps militaris extract and a chrysanthellum indicum extract. The whitening mask has the advantages that low irritation is kept, and the whitening effect is improved.

The invention provides high-protein, low-fat and low-sugar ice cream as well as a preparation method and application thereof, and belongs to the technical field of food processing. The ice cream disclosed by the invention is prepared from the following raw materials in parts by weight: 20 to 40 parts of soybean protein isolate, 0.5 to 2.5 parts of vegetable oil, 3 to 10 parts of soybean dietary fiber, 2 to 10 parts of fructo-oligosaccharide, 3 to 10 parts of soybean oligosaccharide, 1 to 8 parts of resistant dextrin, 0.2 to 1.5 parts of L-arabinose, 0.2 to 1 part of vitamin B complex, 0.05 to 0.5 part of mulberry leaf extract and 2 to 10 parts of eggs. The prepared ice cream is high in protein, low in fat and low in carbon water, still keeps good stability under the condition that a stabilizer and an emulsifier are not added, keeps the taste and flavor of the ice cream, and is suitable for diabetics to eat.

The invention discloses modified milk powder for old people for assisting in reducing blood sugar level and a preparation method of the modified milk powder. The modified milk powder comprises a milk-based composition, a hypoglycemic functional composition, a dietary fiber composition, a vitamin composition and a mineral composition. The composition with the hypoglycemic function is prepared from mulberry leaf extract, barley malt flour, white kidney bean powder, L-arabinose, lotus leaf powder, ginkgo powder and lactobacillus rhamnosus JYLR-005 and has the functions of regulating carbohydrate metabolism and improving pancreas islet beta-cells, animal experiment research proves that the composition can remarkably reduce fasting blood glucose of hyperglycemia model rats, and the blood glucose reducing effect is good. The modified milk powder provided by the invention has the advantages that the effect of assisting in reducing blood sugar can be realized by drinking the modified milk powder after half of medication, the reduction rate of fasting blood sugar value is 4.73-10.77%, and the reduction rate of blood sugar value after 1 hour after meal is 5.89-14.60%. The modified milk powder provided by the invention has the advantages that the effect of assisting in reducing blood sugar can be realized by taking the modified milk powder after half of medication. Compared with the total mixing time of the modified milk powder prepared by three-dimensional equipment, the total mixing time of the modified milk powder prepared by adopting a pneumatic mixing process is obviously shortened, the working efficiency is very effectively improved, and meanwhile, the personnel consumption is reduced. On the basis of meeting the nutritional requirements of consumers on dairy product intake, the modified milk powder has lower blood sugar load, is wider in intake crowd compared with conventional modified milk powder, and is more beneficial to old people suffering from obesity, hyperglycemia and the like; meanwhile, the preparation method is simple and efficient, and has a wide application prospect.

The invention relates to the technical field of daily chemical products, and discloses a preparation method of a mild, non-irritating and odorless antiseptic bactericide, antiseptic and bactericidal active ingredients and plant extracts are provided, and the mild, non-irritating and odorless antiseptic bactericide is prepared after the antiseptic and bactericidal active ingredients, the plant extracts, butanediol and water are mixed and completely dissolved. Wherein the antiseptic and bactericidal active component is composed of ethyl lauroyl arginate hydrochloride, benzalkonium chloride, cetylpyridinium chloride, polyaminopropyl biguanide and benzoic acid, and the plant extract is composed of a hovenia acerba extract and a mulberry leaf extract. The antiseptic and bactericidal active ingredients, the water, the butanediol and the plant extract are compounded to achieve a synergistic effect, so that the bactericidal, antiseptic and soothing effects of the antiseptic and bactericidal active ingredients in the wet tissue are enhanced, and the stability of the antiseptic and bactericidal active ingredients in a wet tissue system can be improved; and the condition of microbial contamination caused by insufficient antiseptic strength due to non-uniform distribution of antiseptic and bactericidal active ingredients in the wet tissue liquid and the wet tissue cloth is prevented.

The invention belongs to the technical field of food, and particularly relates to an anti-sugar and anti-oxidation composition as well as a preparation method and application thereof. A mulberry leaf extract, an emblic leafflower fruit extract, pleurotus citrinopileatus powder and rosa roxburghii tratt fruit powder are used as composite plant fermentation raw materials, Weissella helenii and pediococcus pentosaceus are added for mixed fermentation, a composite plant fermentation product is prepared, then lecithin and vitamin E are added, and the anti-sugar and anti-oxidation composition is obtained. The composition has excellent anti-sugar and anti-oxidation effects, and is safe and non-irritant. The preparation method of the anti-sugar and anti-oxidation composition is simple, can be applied to preparation of anti-sugar and anti-oxidation products, and has good market application value.

The invention relates to a sugar-controlling composition containing a rhodiola rosea extract, a preparation method of the sugar-controlling composition and application of the sugar-controlling composition in health-care products, and relates to the technical field of functional foods. The sugar control composition containing the rhodiola rosea extract is prepared from the following components in parts by weight: 5 to 15 parts of rhodiola rosea extract, 10 to 20 parts of radix astragali seu hedysari extract, 5 to 15 parts of bitter gourd extract, 3 to 10 parts of cortex cinnamomi extract, 3 to 8 parts of folium mori extract, 2 to 8 parts of rhizoma coptidis extract, 2 to 5 parts of grape seed extract, 20 to 40 parts of rhizoma dioscoreae powder and 8 to 15 parts of adhesive. The rhodiola rosea extract is taken as a core, the radix astragali extract, the bitter gourd extract, the cortex cinnamomi extract, the folium mori extract, the rhizoma coptidis extract, the grape seed extract, the Chinese yam powder and the adhesive are compounded, a synergistic sugar control system is constructed, full-chain intervention on blood glucose metabolism is realized, and the components in the formula are medicinal and edible or natural extracts, so that the safety is high, and the effect is good. The long-term conditioning requirements are met.

The invention belongs to the technical field of foods, and particularly relates to a high-biological-activity muscle-building formula food for middle-aged and elderly people and a preparation method thereof. According to the high-biological-activity muscle-building formula food for the middle-aged and elderly people, the prepared mulberry leaf extract is added, the raw material raw milk is subjected to multi-stage membrane filtration to enrich beta-lactoglobulin, other auxiliary materials are adopted, muscle attenuation can be delayed, blood sugar can be remarkably reduced, sufficient nutrition support can be provided for the middle-aged and elderly people, and the high-biological-activity muscle-building formula food is suitable for the middle-aged and elderly people. The content of beta-lactoglobulin in the formula is not less than 3%, so that muscle health can be effectively improved, the immune barrier is improved, and functional decline is delayed.

The invention discloses a preparation method and application of a mulberry leaf extract, and belongs to the technical field of natural medicine extraction. The preparation method comprises the following steps: S1, crushing mulberry leaves, adding water, extracting, filtering, collecting filtrate, cooling and centrifuging the filtrate, and retaining clear liquid; s2, enabling the clear liquid to pass through macroporous adsorption resin, and collecting effluent; s3, carrying out microfiltration and concentration on the effluent, and collecting a concentrated solution; and S4, adding ethanol into the concentrated solution, standing for crystallization, and drying the crystal under reduced pressure to obtain the mulberry leaf extract. The yield of the extract prepared through the preparation method is high, the content of mulberry leaf polysaccharide in the prepared extract is high, and the mulberry leaf extract can be applied to feed for improving the body length of crucian carps, feed for improving liver health of crucian carps and feed for improving intestinal health of crucian carps.

The invention belongs to the technical field of biological medicine, and particularly relates to a branched chain fatty acid preparation for improving growth performance of calves and a preparation method thereof. The branched-chain fatty acid preparation for improving the growth performance of the calves comprises the following components in parts by weight: 1-5 parts of a procyanidine derivative, 3-10 parts of a mulberry leaf extract, 3-10 parts of branched-chain fatty acid and 0.3-0.8 part of a trace element compound. The prepared branched chain fatty acid preparation for improving the growth performance of the calves can regulate rumen fermentation and reduce the discharge amount of methane and the content of skatole, so that the bloating symptom of animals is effectively reduced, the odor of excrement is reduced, a better growth environment is provided for the animals, and the growth and development of the animals are promoted.

The present application belongs to the technical field of aquaculture, and particularly relates to a plant source composite preparation for reducing antibiotic residues in cultured aquatic products, and a preparation method and use method thereof. The plant source composite preparation comprises the following raw materials in parts by weight: 20.0-35.0 parts of a composite plant extract, 0.5-2.0 parts of glucose oxidase, and 0.8-3.0 parts of bile acid; wherein the composite plant extract comprises extract of dried orange peel, extract of licorice, extract of sea buckthorn, extract of sophora fruit, extract of mulberry leaf, extract of bupleurum, and extract of green tea. The plant source composite preparation is prepared by stepwise mixing, and then mixed with feed at a ratio of 0.4-1:100 and fed for 5-10 days, so as to accelerate the metabolism and excretion of antibiotics, shorten the drug holiday, and ensure the quality and safety of aquatic products.