15605results about "Food ingredient functions" patented technology

The invention discloses noodles with a blood sugar control function, which comprise the following components in parts by weight: 150-170 parts of triticale flour, 10-30 parts of cyperus esculentus powder, table salt and water, and 4-10 parts of dietary fibers, 0.5 to 1 part of anthocyanin; 0.03 to 0.12 part of mineral substances and 0.2 to 0.5 part of vitamin B. The traditional Chinese medicine composition has the effects of improving digestion and metabolism, delaying senescence, strengthening body functions, assisting in controlling blood sugar, enhancing satiety and assisting weight management.

The present invention particularly relates to a Lactiplantibacillus plantarum strain having a weight-reducing function, a live bacterium formulation, a preparation method therefor, and the use thereof. The Lactiplantibacillus plantarum strain is preserved in China General Microbiological Culture Collection Center (CGMCC) of China Committee for Culture Collection of Microorganisms, the accession number thereof being CGMCC No. 25683. The Lactiplantibacillus plantarum strain and the live bacterium formulation thereof can inhibit the growth of an obesity bacterial strain Enterobacter cloacae, reduce the cholesterol, and inhibit the differentiation of 3T3-L1 preadipocytes, so as to reduce the body weight of an obesity model mouse and reduce the total weight gain and total food utilization rate of an obesity model rat, thereby achieving an excellent weight-reducing function.

The invention relates to selenium-rich health-care rice dumplings. The selenium-rich health-care rice dumplings are prepared from the following raw materials of selenium-rich glutinous rice, rose petals, haw tree parasitism, plum tree parasitism, radix rehmanniae, dendrobium candidum, vegetable oil, pork, mung beans, ground cinnamon and table salt. The selenium-rich glutinous rice is used as a main raw material, so that selenium elements in human bodies are complemented, and collective antioxidation is strengthened; besides, the glutinous rice and the mung beans are soaked in a traditional Chinese medicine extracting solution, and medical components in traditional Chinese medicines are absorbed, so that the selenium-rich health-care rice dumplings have the efficacies of clearing heat, promoting salivation, relieving restlessness, resolving stagnation, reducing blood lipid, promoting digestion and enhancing the immunity of organisms.

The invention relates to a recombinant human XVII type collagen as well as a preparation method and application of the recombinant human XVII type collagen. The recombinant human XVII type collagen is any one of COL17A 3a, COL17A 3b, COL17A 3c, COL17A 3d or COL17A 3e. According to the invention, the functional fragments of the XVII collagen are analyzed by using computer software, the minimum functional region of the XVII collagen is screened, and expression and extraction are carried out by using an escherichia coli recombinant expression system, so that the target functional fragments with higher yield can be obtained.

The invention discloses bifidobacterium animalis subsp. Lactis for relieving ulcerative colitis and constipation and application of the bifidobacterium animalis subsp. Lactis, and belongs to the field of microorganisms. According to the invention, a strain of bifidobacterium anaticum subsp. Lactis LIHUO 01 is screened out, the strain is preserved in the Guangdong Microbial Culture Collection Center on November 20, 2024, and the preservation number is GDMCC No: 65512. The invention also discloses a preparation method of the bifidobacterium anaticum subsp. Lactis strain, and the bifidobacterium anaticum subsp. Lactis strain has the advantages that the bifidobacterium anaticum subsp. Lactis strain can be used for preparing the bifidobacterium anaticum subsp. Lactis strain; the bifidobacterium animalis subsp. Lactis LIHUO 01 has good in-vitro probiotic characteristics, has the effects of relieving ulcerative colitis, improving constipation and regulating intestinal flora, and has a good application prospect in preparation of food or health care products or medicines for relieving ulcerative colitis or improving constipation or regulating intestinal flora.

The invention discloses red ginseng fermentation liquor with high rare saponin content and functional bioactivity and a preparation method thereof, and the preparation method comprises the following steps: mixing red ginseng powder with water to obtain red ginseng mixed liquor; cellulase is added into the red ginseng mixed solution for enzymolysis, and red ginseng enzymatic hydrolysate is obtained; or heating the red ginseng liquid, and performing hot water extraction to obtain a red ginseng extracting solution; heating the red ginseng extracting solution to be boiled, and after sterilization is finished, adding lactic acid bacteria powder for fermentation after the red ginseng solution is cooled, so as to obtain red ginseng fermentation liquor; and carrying out solid-liquid separation on the fermentation broth to obtain a fermentation supernatant, and sterilizing the red ginseng fermentation broth to obtain the sterilized red ginseng fermentation broth. According to the preparation method disclosed by the invention, the content of total saponins in the red ginseng fermentation liquor is increased, the variety and content of rare saponins can be increased, and in addition, the prepared red ginseng fermentation liquor has relatively high antioxidant activity, tyrosinase inhibition rate activity, leukoproteinase inhibition activity and hyaluronidase inhibition activity; wide application prospects and market potentials are realized.

The invention discloses a quintuple bacterium for conditioning and improving diarrhea, constipation and irritable bowel syndrome. The quintuple bacteria comprise lactobacillus reuteri HBM11-69, pediococcus pentosaceus MPL5, lactobacillus plantarum La-10, lactobacillus rhamnosus HBM11-35 and lactobacillus casei C7-2 bacteria, and the lactobacillus rhamnosus HBM11-35, the pediococcus pentosaceus MPL5, the lactobacillus plantarum La-10, the lactobacillus rhamnosus HBM11-35 and the lactobacillus The strain is found by a Lin Junjunch Teaching Team of South China Agricultural University. The probiotic composition disclosed by the invention is mutually matched and has a synergistic effect, and the intestinal flora structure balance can be effectively recovered by improving the small intestine propulsion rate, reducing the diarrhea frequency and the like. No matter in a viable or inactivated state, the traditional Chinese medicine composition has a relatively good improvement effect on gastrointestinal discomfort such as constipation and irritable bowel syndrome. The quintuplet compound probiotics are high in safety, do not cause adverse reactions such as electrolyte imbalance and can be used for preparing medicines or health foods or foods.

The invention relates to application of breast milk oligosaccharides to improvement of intestinal flora of mothers and infants, in particular to application of 2 '-fucosyllactose to preparation of food which is taken by a mother and contributes to regulation of intestinal flora of the mother and offspring thereof, and the mother is in a gestation period and / or a lactation period. The invention is provided through a large amount of research; when a mother supplements a certain amount of 2 '-fucosyllactose in a gestation period and / or a lactation period, the abundance of beneficial bacteria in intestinal tracts of the mother can be remarkably improved, the content of harmful bacteria is reduced, meanwhile, the abundance of beneficial bacteria in intestinal tracts of filial generations of the mother is remarkably improved, and the content of harmful bacteria is reduced; particularly, the abundance of some beneficial bacteria which cannot be directly eaten in the intestinal tracts of the mother and the offspring can be adjusted.

The invention discloses a xanthine oxidase inhibitory peptide with a kidney improving function and application thereof, and belongs to the technical field of biological medicines.The xanthine oxidase inhibitory peptide is screened out by conducting enzymolysis, separation and purification on litopenaeus vannamei processing by-products and utilizing a molecular docking technology, the amino acid sequence of the xanthine oxidase inhibitory peptide is Pro-Leu-Gly-Pro-Pro-Pro, and the amino acid sequence of the xanthine oxidase inhibitory peptide is Pro-Leu-Gly-Pro-Pro-Pro. And the half inhibition concentration of the polypeptide is 2.356 + / -0.2448 mM. The xanthine oxidase inhibitory peptide is proved to have an improvement effect on hyperuricemia mice, the improvement effect is mainly characterized by reducing the content of serum uric acid, creatinine and urea nitrogen of the hyperuricemia mice, inhibiting the activity of xanthine oxidase (XOD) in serum and livers of the mice, inhibiting synthesis of uric acid and improving kidney injury of the mice, and Toxinpred prediction shows that the xanthine oxidase inhibitory peptide has the effect of inhibiting the activity of xanthine oxidase (XOD) in the serum and livers of the mice. The xanthine oxidase inhibitory peptide is free of toxic and side effects, so that the xanthine oxidase inhibitory peptide has a wide application prospect in preparation of food or drugs for improving renal functions.

The invention relates to the technical field of microorganisms, in particular to plant lactobacillus MPs-68 capable of adsorbing microplastics and degrading uric acid and application of the plant lactobacillus MPs-68. The provided plant lactobacillus MPs-68 capable of adsorbing microplastics and degrading uric acid is a marine-derived natural strain, the preservation number is CGMCC No.31976, the plant lactobacillus MPs-68 has a remarkable adsorption effect on microplastics polystyrene and polyethylene, has the function of degrading uric acid, and is high in oxidation resistance, gastric acid resistance, cholate resistance and intestinal colonization capacity, and the plant lactobacillus MPs-68 can be used for adsorbing microplastics and degrading uric acid. The method has important application value in the fields of food or health care products for assisting adsorption of micro-plastics and reduction of uric acid and the like. The invention also provides a microbial agent, a probiotic product, a functional food, a fermentation product, a microecological preparation, a microplastic adsorbent and a microplastic adsorbent compounded with the lactobacillus brevis MPA01 (the preservation number is CGMCC No.31977) containing the phytobacterium plantarum MPs-68 capable of adsorbing the microplastics and degrading the uric acid, and the microplastic adsorbent has the effects of adsorbing the microplastics, degrading the uric acid and the like.

The invention provides a tripeptide for promoting bone growth, the tripeptide is VPF, the amino acid sequence of the tripeptide is Val-Pro-Phe, the molecular weight of the tripeptide is 361.44 Da, and the tripeptide belongs to the technical field of functional bioactive peptides. The tripeptide can be prepared from egg yolk protein through enzymolysis separation and purification, can also be obtained through chemical solid-phase synthesis, has a good effect of promoting bone growth, can remarkably improve the growth and proliferation level of osteoblasts in a body, promotes synthesis and secretion of bone matrixes, and has a good application prospect. Meanwhile, the secretion of insulin-like growth factors (IGF-1), transforming growth factors (TGF-beta1) and I-type procollagen amino-terminal peptide (PINP) in the body is efficiently promoted, and good market prospects are achieved.

Provided is a Limosilactobacillus fermentum VB216, which has the deposit number of CGMCC No. 26578 in the China General Microbiological Culture Collection Center, and has the deposit date of 20 February 2023. The Limosilactobacillus fermentum has inhibitory activities with regard to a variety of pathogenic bacteria and excellent activity for degrading arginine. The present invention can be used in the preparation of products, such as food, health-care food, medicine and feed, for preventing and / or relieving and / or treating arginine metabolism-related diseases, such as hyperarginemia, malignant tumor treatment, allergic reactions, eczema, pruritus and abdominal spasm, and has great application prospects.

The invention discloses a xanthine oxidase inhibitory peptide with uric acid reducing activity and application thereof, and belongs to the technical field of biological medicines.The xanthine oxidase inhibitory peptide is obtained by conducting enzymolysis, separation and purification on processing byproducts such as litopenaeus vannamei heads and shells with xanthine oxidase inhibitory activity. The xanthine oxidase inhibitory peptide is screened by using a molecular docking technology, and the amino acid sequence of the xanthine oxidase inhibitory peptide is Pro-Pro-Val-Pro-Pro-Pro. The xanthine oxidase inhibitory peptide has an XOD (X-Oxidase) half inhibitory concentration of 3.181 + / -0.1786 mM. The invention further proves that the xanthine oxidase inhibitory peptide has a certain improvement effect on hyperuricemia mice, and the xanthine oxidase inhibitory peptide mainly has the effects of reducing the content of serum uric acid, creatinine and urea nitrogen of the hyperuricemia mice, inhibiting the activity of xanthine oxidase (XOD) in serum and liver of the mice, inhibiting synthesis of uric acid and improving kidney injury of the mice, and the xanthine oxidase inhibitory peptide has a certain improvement effect on the hyperuricemia mice through Toxinpred prediction. The xanthine oxidase inhibitory peptide uric acid reducing peptide is free of toxic and side effects and has a wide market application prospect.

The invention relates to lactobacillus rhamnosus CBBM005 and application thereof in products for balancing intestinal flora, improving immunity and improving oral cavity, and belongs to the technical field of microorganisms. The lactobacillus rhamnosus CBBM005 is separated from human intestinal secretion, the lactobacillus rhamnosus CBBM005 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation time is March 20, 2025, and the preservation number is CGMCC NO.33904. The lactobacillus rhamnosus CBBM005 has the characteristics of balancing intestinal flora, improving immunity and improving oral cavity.

The invention relates to a recombinant A type humanized XVII type collagen as well as construction and application thereof, the protein is the humanized XVII type collagen which is composed of an intracellular region, a transmembrane region and an extracellular region, and the amino acid sequence is as shown in SEQ No. 1. The hair follicle repairing agent has the advantages of hair follicle repairing, hair regeneration, good biological activities of cell proliferation, cell adhesion and the like, and can be widely applied to the fields of medicines, medical instruments, biological materials, tissue engineering, cosmetics and the like. The gene sequence of the recombinant A type XVII collagen is 100% identical to the corresponding part of the gene sequence of the recombinant A type XVII collagen, so that the recombinant A type XVII collagen has good hydrophilicity and high activity, and has application potential in the fields of biomedical materials, beauty cosmetics, skin care products and the like.

The invention relates to the technical field of microorganisms, and in particular relates to application of a strain of lactobacillus mucus TG018. The invention further relates to a preparation method of the lactobacillus mucus TG018. The preservation number of the lactobacillus mucus TG018 is CCTCC (China Center for Type Culture Collection) No: M 2023514; the lactobacillus mucus TG018 can be used for producing nicotinic acid, serving as an antioxidant and / or preparing the antioxidant, or can be applied to medicines for reducing uric acid.

The invention provides modified acidic polysaccharide of lithocarpus litseifolius. The modified acidic polysaccharide is prepared from natural acidic polysaccharide of lithocarpus litseifolius through a chemical method or an enzyme method. Every 100 mg of the modified acidic polysaccharide of lithocarpus litseifolius contains 89.75 mg + / -1.04 mg to 90.67 mg + / -1.46 mg of total polysaccharide. The total uronic acid content is 23.70 mg + / -1.58 mg to 71.74 mg + / -2.07 mg; total bound phenol: 2.06 mg of GAE + / -0.06 mg of GAE-4.56 mg of GAE + / -0.04 mg of GAE (equivalent weight of gallic acid); the esterification degree is 3.72% + / -0.90% to 34.98% + / -0.62%; the molecular weight is (0.562 + / -0.012) * 10 < 4 > Da-(4.268 + / -0.055) * 10 < 4 > Da; the proportion of the galacturonic acid glycan (HG) is 15.28% to 65.02%; the ratio of the type I rhamnogalacturonan (RG-I) is 28.47% to 72.37%; and the length of a side chain is 0.44 to 10.31. The invention further provides a preparation method and application of the lithocarpus litseifolius modified acidic polysaccharide. The lithocarpus litseifolius modified acidic polysaccharide prepared by the invention has remarkable immunoregulatory activity, and especially has better immunocompetence when being used for removing arabinose side chains and reducing galactose side chains.

Compositions for inducing and maintaining a state of flow in a subject include optically pure S-beta-hydroxybutyrate or non-racemic mixtures enriched with the S-enantiomer. The S-beta-hydroxybutyrate enantiomer modulates the effect of ketone bodies in the subject and controls the rate at which ketosis is achieved. Beta-hydroxybutyric acid is more rapidly absorbed and utilized by the body than salts or esters, enhances taste, and reduces the need to include citric acid or other edible acids. Beta-hydroxybutyrate salts are more slowly absorbed and utilized by the body and can provide one or more electrolytes. Compositions for controlling ketone body level in a subject may contain a dietetically or pharmaceutically acceptable carrier and optically pure S-beta-hydroxybutyrate or non-racemic mixture enriched with S-beta-hydroxybutyrate, wherein the compositions contain from about 50.5% to 100% by enantiomeric equivalents of S-beta-hydroxybutyrate and from about 49.5% to 0% by enantiomeric equivalents of R-beta-hydroxybutyrate.

The invention discloses a strain of bifidobacterium animalis dipro-60 and a preparation method thereof. The invention further discloses a preparation, and the preparation contains the bifidobacterium animalis dipro-60. The bifidobacterium animalis dipro-60 used in the invention has the ability of producing bile salt hydrolase BSH, the ability of reducing cholesterol, the ability of inhibiting helicobacter pylori and the ability of reducing inflammatory factor TNF-alpha; further animal experiments show that the dipro-60 can improve lipid metabolism related diseases, can significantly reduce weight gain of obese mice induced by high fat, significantly reduce the liver weight of the obese mice, reduce the content of triglyceride and blood sugar in blood, improve intestinal barriers and improve the lipid metabolism related diseases, and the dipro-60 can improve the lipid metabolism related diseases. Liver lipid accumulation caused by obesity or hyperlipidemia is improved, and bone loss caused by obesity or hyperlipidemia is improved.

The pediococcus acidilactici SWU-HX39 with the uricemia reducing function is classified and named as pediococcus acidilactici, and is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.33055, the preservation date is December 13, 2024, and the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The pediococcus acidilactici SWU-HX39 disclosed by the invention can be used for relieving kidney injury caused by hyperuricemia; synthesis of uric acid can be reduced, the concentration of uric acid in blood can be reduced, the excretion capacity of the body to the uric acid is improved, reabsorption of the body to the uric acid is reduced, and the effect of reducing the uric acid is achieved through two ways; in addition, the SWU-HX39 can be used for reducing the expression of LPS (Lipopolysaccharide), and reducing the expression of inflammatory factors IL-1beta, IL-6 and TNF (Tumor Necrosis Factor) alpha at the same time. The traditional Chinese medicine composition not only has the effects of resisting inflammation and relieving liver inflammation, but also can improve the SCFAs content, especially propionic acid, in the body of a hyperuricemia patient, so that the uric acid level is reduced, and the abnormal uric acid content is improved.

The invention relates to a weight-losing enzyme and a preparation method thereof, and belongs to the technical field of biology, and the weight-losing enzyme comprises a fruit enzyme, a vegetable enzyme, a seed enzyme and a lotus leaf extract; the fruit enzyme is obtained by performing enzymolysis on mixed fruit pulp of apples, lemons, grapefruits and haws through pectinase, performing enzymolysis through pepsase and performing co-fermentation through bifidobacterium longum and lactobacillus acidophilus; the vegetable enzyme is obtained by performing enzymolysis on mixed vegetable pulp of wax gourd pulp, celery and spinach through pectinase, performing enzymolysis through pepsin and performing fermentation through lactobacillus plantarum and bifidobacterium adolescentis; the seed enzyme is obtained by carrying out trypsin enzymolysis on mixed powder of semen raphani and phaseolus calcaratus, then carrying out nattokinase enzymolysis and then fermenting with bifidobacterium breve; the lotus leaf extract is obtained by sequentially carrying out enzymolysis on lotus leaves through hemicellulase, snail protease and nattokinase. All the components are matched for use, so that the weight-losing food has the effects of promoting digestion, inhibiting fat absorption, regulating intestinal flora, promoting metabolism and the like, and has a good weight-losing effect.

The invention discloses a recombinant XII type collagen as well as a preparation method and application thereof. The amino acid sequence of the recombinant XII type collagen is any one of (A1)-(A3); (A1) is an amino acid sequence as shown in SEQ ID NO: 1; (A2) is an amino acid sequence which is obtained by substitution, deletion or insertion of one or more amino acid residues of the amino acid sequence as shown in SEQ ID NO: 1 and has the same functional protein; and (A3) is an amino acid sequence of a fusion protein obtained by connecting a protein tag to the N terminal or / and C terminal of the sequence (A1) or (A2). The recombinant XII type collagen provided by the invention has good antioxidant activity, and has a repairing effect on the problems of skin laxity, wrinkle increase and the like caused by degradation of type I collagen fibers of aged skin.

The invention relates to the technical field of microorganisms, and discloses a multifunctional compound probiotic composition which comprises the following raw materials in percentage by mass: 40-50% of probiotics; 30%-40% of a microcapsule embedding material; prebiotics: 10%-25%; 1%-5% of auxiliary materials; the invention also provides a preparation process of the multifunctional compound probiotic composition. The preparation process comprises the following steps: S1, culturing the probiotics and detecting the activity; s2, a microencapsulation process: preparing a multi-layer microcapsule through a spray drying method and an emulsion crosslinking method, and embedding the probiotics; and S3, mixing the microcapsules with prebiotics and auxiliary materials to obtain the multifunctional compound probiotic composition. By adopting a composite probiotic compatibility technology and through the synergistic effect of different strains, the stability and functionality of intestinal microecology are enhanced, and the effects of improving the survival rate of probiotics in gastrointestinal tracts, promoting planting of beneficial bacteria and enhancing the immunoregulation ability are achieved.

The invention provides lactobacillus plantarum NSL0125 and application thereof in preparation of a microbial preparation for promoting calcium supplement and growth and development. The lactobacillus plantarum NSL0125 is classified and named as Lactobacillus plantarum and is preserved in the China Center for Type Culture Collection, and the preservation number of the lactobacillus plantarum NSL0125 is CCTCC (China Center for Type Culture Collection) NO: M 2024609. The lactobacillus plantarum NSL0125 is high in safety, free of pathogenicity and capable of fermenting various nutrient substances to supply energy for growth. Experiments prove that the lactobacillus plantarum NSL0125 can be colonized in intestinal tracts for a long time, and meanwhile, the lactobacillus plantarum NSL0125 has unique effects on the aspects of adsorption, transfer, absorption promotion and the like of calcium ions, so that calcium absorption, growth and development of organisms are effectively promoted. The lactobacillus plantarum NSL0125 is high in fermentation level and suitable for large-scale industrial production. A large number of experimental studies prove that the lactobacillus plantarum NSL0125 and the microbial preparation thereof have remarkable effects of promoting calcium supplement and growth and development, have good application value and have good market application prospects.

The invention provides a process for preparing various nutritional ingredients from oats, and relates to the technical field of deep processing of oats. The process comprises the following steps: crushing and sieving oats to obtain oat bran; the method comprises the following steps: extracting oat bran through a supercritical extraction technology to obtain pretreated oat bran and an extract, and carrying out gradient membrane treatment and membrane ultrafiltration on the extract to obtain oat oil; extracting the pretreated oat bran through continuous sectional extraction equipment; after first-stage protein extraction, second-stage dextran extraction, third-stage immobilized enzymolysis and fourth-stage filler decoloration, the materials enter a system balance tank, and membrane separation and concentration are performed to obtain the oat beta-dextran. According to the invention, various nutrient substances such as oat beta-glucan, oat protein, oat oil and the like can be extracted at the same time, the defects in the prior art are overcome, the automation degree is high, and energy conservation and emission reduction are realized.

The invention discloses bifidobacterium breve BBr69 with an immunoregulation function as well as application, a product and a method thereof, and belongs to the technical field of microorganisms. The preservation number of the bifidobacterium breve BBr69 with the immunoregulation function is CGMCC (China General Microbiological Culture Collection Center) NO. 32425. Based on the strain, the invention also provides application and related products of the strain. The BBr69 strain has broad-spectrum antibacterial performance, has the function of regulating intestinal flora and also has the function of enhancing immunity, and immunity is enhanced by proliferating RAW264.7 cells, increasing the content of cell factors, inhibiting weight loss, increasing the index of immune organs and reducing ileum tissue damage.

The invention provides a composition of probiotics, a preparation method and application of the composition in promoting sleep, the composition comprises probiotics and active peptide for promoting sleep, the amino acid sequence of the active peptide is shown as SEQ ID NO: 1, and the probiotics are selected from lactobacillus and bifidobacterium. The composition can effectively improve the sleep condition, regulate neurotransmitter secretion, improve the immunity of the organism and maintain the stability of the internal environment.

The invention relates to the field of cubilose peptides, in particular to preparation and application of cubilose glycopeptides capable of preventing and assisting in treating gynecological inflammation and gastrointestinal inflammation. The invention provides cubilose glycopeptide which comprises cubilose peptide, sialylated O-glycan and sialylated N-glycan, and the cubilose peptide is connected with the sialylated O-glycan and / or the sialylated N-glycan. The cubilose glycopeptide provided by the invention has unique sialylated O-glycans and N-glycans, has unique biological activity and functions and synergistic effect compared with the cubilose glycopeptide without N-glycans or O-glycans and non-sialylated cubilose peptides, and forms and enhances the inhibition effect on pathogens and the antiviral effect; therefore, the compound has unique advantages in the aspect of preventing and treating related problems. The sialic acid binding type cubilose glycopeptide has stronger antibacterial activity, especially has an inhibition effect on pathogens such as candida albicans and helicobacter pylori, and also has an antiviral effect.

The invention relates to the technical field of food, in particular to a composition and a product with effects of maintaining beauty and keeping young as well as a preparation method and application of the composition. The composition is prepared from the following components in parts by weight: 5 to 12 parts of fish collagen peptide, 0.1 to 0.5 part of III type collagen peptide, 0.1 to 0.5 part of ray collagen peptide, 1 to 3 parts of collagen tripeptide, 0.1 to 0.5 part of cubilose peptide, 0.1 to 0.3 part of casein peptide, 0.1 to 0.5 part of fish maw oligopeptide and 0.01 to 0.05 part of red currant and black currant mixed powder. The skin care product has the advantages of good skin moisture and elasticity improving and wrinkle removing effects and high safety.

The invention discloses hydrolyzed egg yolk powder rich in growth factor-like polypeptide and a preparation method and application thereof, relates to the technical field of biology and the field of nutrition and health, and particularly relates to the hydrolyzed egg yolk powder rich in growth factor-like polypeptide and application of the hydrolyzed egg yolk powder as a medicament for promoting bone growth. The hydrolyzed egg yolk powder is extracted from egg yolk through a specific enzymolysis technology, and is rich in growth factor-like polypeptides with a remarkable osteogenesis promoting function. The hydrolyzed egg yolk powder and the growth factor-like polypeptide can be used as food additives or medicine components, can effectively promote bone growth, and have remarkable effects on treating or preventing bone health related diseases such as osteogenesis imperfecta, osteoporosis and arthrosis deformans.