34results about How to "Enhance the function of resisting exogenous stimuli" patented technology

The invention relates to the field of protein, in particular to biologically active polypeptide SQSKVLPVPE and a preparation method and application thereof. The biologically active polypeptide SQSKVLPVPE has an amino acid sequence of Ser-Gln-Ser-Lys-Val-Leu-Pro-Val-Pro-Glu. After in vitro antioxidation experiments and in vivo anti-aging experiments are conducted, it is verified that the polypeptide SQSKVLPVPE has good biologically antioxidation activity and anti-aging activity; on the one hand, the biologically active polypeptide SQSKVLPVPE has good antioxidation activity so that free radicalsin the human body can be cleared, and the quality of life can be improved; on the other hand, in vivo anti-peroxidase activity can be improved, and the resistance of the human body to exogenous stimuli is enhanced, so that the chance of aging, senility and illness of the human body is reduced, and the biologically active polypeptide SQSKVLPVPE has great importance to the development of food, health products and medicine which have antioxidation and anti-aging functions

The invention relates to the field of proteins, and in particular relates to a bioactive polypeptide GLNYYQQKPVAL as well as a preparation method and application thereof. The bioactive polypeptide GLNYYQQKPVAL has an amino acid sequence of Gly-Leu-Asn-Tyr-Tyr-Gln-Gln-Lys-Pro-Val-Ala-Leu. After in-vitro anti-oxidation experiments and in-vivo anti-aging experiments, experiment results prove that thepolypeptide GLNYYQQKPVAL has better anti-oxidation biological activity and anti-aging activity; the bioactive polypeptide GLNYYQQKPVAL provided by the invention has better anti-oxidation activity, and can eliminate free radicals in the body and improve the quality of life; and the bioactive polypeptide GLNYYQQKPVAL can improve the activity of an anti-peroxidase system in vivo and enhance the bodyfunctions to resist exogenous stimuli, thereby reducing the probability of aging, senility and illness of the body, and having very important significance for developing foods, health-care products and medicines with anti-oxidation and anti-aging functions.

The invention relates to the field of proteins, in particular to a bioactive polypeptide VPITPTLNR as well as a preparation method and application thereof. An amino acid sequence of the bioactive polypeptide VPITPTLNR is Val-Pro-Ile-Thr-Pro-Thr-Leu-Asn-Arg. According to an in-vitro anti-oxidation test and an in-vivo anti-ageing test, the polypeptide VPITPTLNR is verified to have a relatively goodanti-oxidation bioactivity and relatively good anti-ageing activity, so that the bioactive polypeptide VPITPTLNR has relatively good anti-oxidization activity, can eliminate free radicals in an organisms, improve life quality, can improve activity of an in-vivo anti-peroxidase system and strengthen a function that the organism resists exogenous stimulus, reduce the ageing, senility and illness probability of the organism, and therefore, the bioactive polypeptide VPIIPTLNRE is of great importance in developing food, healthcare products and drugs with anti-oxidation functions and anti-ageing functions.

The invention relates to the field of protein, in particular to a bioactive polypeptide VPITPTLN and a preparing method and application thereof. The amino acid sequence of the bioactive polypeptide VPITPTLN is Val-Pro-Ile-Thr-Pro-Thr-Leu-Asn. Through in-vitro antioxidant experiments and in-vivo anti-aging experiments, it is proved that polypeptide VPITPTLN has great antioxidant biological activities and anti-aging activities. On one hand, the bioactive polypeptide VPITPTLN has a great antioxidant activity and can remove free radicals in the organism and improve the life quality; on the other hand, the vigor of an in-vivo anti-peroxidase system can be improved, the function of the organism of resisting exogenous stimulation is strengthened, thus the probability that the engine gets aged, grows old and gets sick is lowered, and the bioactive polypeptide VPITPTLN is very significant in developing food, healthcare products and drugs with antioxidant functions and anti-aging functions.

The invention relates to the field of protein, in particular to bioactive polypeptide LPYPYYA as well as a preparation method and application thereof. The amino acid sequence of the bioactive polypeptide LPYPYYA is Leu-Pro-Tyr-Pro-Tyr-Tyr-Ala. In vitro immune function regulation experiments and in vivo anti-aging experiments prove that the polypeptide LPYPYYA has better immune regulation functionand anti-aging activity; on one hand, the bioactive polypeptide LPYPYYA can enhance the in vitro multiplication capacity of lymphocytes and macrophages, improve the capability of the body for resisting external pathogen infection and reduce the disease incidence of the body; on the other hand, the activity of an in vivo antiperoxidase system can be improved; the function of the body for resistingthe exogenous irritation is enhanced, so that the body aging, senility and sickness probability is reduced; very important significance is realized on developing food, health products and medicines with the immune regulation function and the anti-aging function.

The invention relates to the field of proteins, in particular to a bioactive polypeptide PLLPQSL, a preparation method thereof and an application of the bioactive polypeptide. The amino acid sequenceof the bioactive polypeptide PLLPQSL is Pro-Leu-Leu-Pro-Gln-Ser-Leu. An in-vitro antioxidant experiment and an in-vivo anti-aging experiment verify that the polypeptide PLLPQSL has good antioxidant biological activity and anti-aging activity. On one hand, the bioactive polypeptide PLLPQSL has good antioxidant activity, free radicals in a body can be removed, and life quality can be improved. On the other hand, in-vivo anti-peroxidase system activity can be improved, the exogenous stimulation resisting function of the body is enhanced, so that the probability of aging, senescence and sickness of the body is reduced, and the bioactive polypeptide PLLPQSL is of great significance for developing food, health care products and medicines with antioxidant functions and anti-aging functions.

The invention relates to the field of proteins, and in particular relates to a biological active polypeptide LPPLL as well as a preparation method and application thereof. The amino acid sequence of the biological active polypeptide LPPLL is Leu-Pro-Pro-Leu-Leu. In-vitro anti-oxidation experiments and in-vivo anti-aging experiments show that the polypeptide LPPLL has relatively good antioxidant biological activity and anti-aging activity, and on one hand, the biological active polypeptide LPPLL disclosed by the invention has relatively good antioxidant activity, free radicals in the body can be removed, and the quality of life can be improved; on the other hand, the activity of the antioxidant enzyme system in the body can be improved, so that the function of resisting exogenous stimulation of the organism is enhanced, so that the probability of aging and disease of the organism is reduced, and the invention has very important significance for developing foods, health products and medicines with anti-oxidation functions and anti-aging functions.

The invention relates to the field of proteins, in particular to a bioactive polypeptide QSLTLTDVE, a preparation method thereof and an application of the bioactive polypeptide. The amino acid sequence of the bioactive polypeptide QSLTLTDVE is Gln-Ser-Leu-Thr-Leu-Thr-Asp-Val-Glu. In-vitro anti-inflammatory activity experiments and in-vivo anti-aging experiments prove that the polypeptide QSLTLTDVEhas good anti-inflammatory activity and anti-aging activity, on one hand, the bioactive polypeptide QSLTLTDVE can promote macrophage secretory cell factors, promote increase of macrophage nitric oxide inducting amount, improve external pathogen infection resistance of organisms and reduce morbidity of the organisms, on the other hand, activity of an in-vivo peroxidase resistance system can be improved, the exogenous stimulation resisting function of the organisms is enhanced, so that the probability of aging, senescence and sickness is reduced, and the bioactive polypeptide is of great importance for development of food, health care products and medicines with anti-inflammatory functions and anti-aging functions.

The invention relates to the field of proteins, in particular to a bioactive polypeptide QSLTLTDVE, a preparation method thereof and an application of the bioactive polypeptide. The amino acid sequence of the bioactive polypeptide QSLTLTDVE is Gln-Ser-Leu-Thr-Leu-Thr-Asp-Val-Glu. In-vitro anti-inflammatory activity experiments and in-vivo anti-aging experiments prove that the polypeptide QSLTLTDVEhas good anti-inflammatory activity and anti-aging activity, on one hand, the bioactive polypeptide QSLTLTDVE can promote macrophage secretory cell factors, promote increase of macrophage nitric oxide inducting amount, improve external pathogen infection resistance of organisms and reduce morbidity of the organisms, on the other hand, activity of an in-vivo peroxidase resistance system can be improved, the exogenous stimulation resisting function of the organisms is enhanced, so that the probability of aging, senescence and sickness is reduced, and the bioactive polypeptide is of great importance for development of food, health care products and medicines with anti-inflammatory functions and anti-aging functions.

The invention relates to the field of proteins, particularly to a biological active polypeptide DDVTEVM, a preparation method and applications thereof, wherein the amino acid sequence of the biological active polypeptide DDVTEVM is Asp-Asp-Val-Thr-Glu-Val-Met. According to the present invention, the results of in vitro anti-oxidation experiments and in vivo anti-aging experiments verify that the polypeptide DDVTEVM has good anti-oxidation biological activity and good anti-aging activity; the biological active polypeptide DDVTEVM has good anti-oxidation activity and can remove free radicals soas to improve the quality of life; and the biological active polypeptide DDVTEVM can improve the in vivo anti-peroxidase activity and enhance the resistance of the body to exogenous stimuli so as to reduce the probability of aging and illness of the body, such that the biological active polypeptide DDVTEVM has important significance in the development of food with anti-oxidation and anti-aging functions.

The invention relates to the field of protein, in particular to biologically active polypeptide SQSKVLPVPE and a preparation method and application thereof. The biologically active polypeptide SQSKVLPVPE has an amino acid sequence of Ser-Gln-Ser-Lys-Val-Leu-Pro-Val-Pro-Glu. After in vitro antioxidation experiments and in vivo anti-aging experiments are conducted, it is verified that the polypeptide SQSKVLPVPE has good biologically antioxidation activity and anti-aging activity; on the one hand, the biologically active polypeptide SQSKVLPVPE has good antioxidation activity so that free radicalsin the human body can be cleared, and the quality of life can be improved; on the other hand, in vivo anti-peroxidase activity can be improved, and the resistance of the human body to exogenous stimuli is enhanced, so that the chance of aging, senility and illness of the human body is reduced, and the biologically active polypeptide SQSKVLPVPE has great importance to the development of food, health products and medicine which have antioxidation and anti-aging functions

The invention relates to the field of proteins, in particular to a bioactive polypeptide ENPRAF, a preparation method thereof and an application of the bioactive polypeptide. The amino acid sequence of the bioactive polypeptide ENPRAF is Glu-Asn-Pro-Arg-Ala-Phe. An in-vitro antioxidant experiment and an in-vivo anti-aging experiment verify that the polypeptide ENPRAF has good antioxidant biological activity and anti-aging activity. On one hand, the bioactive polypeptide ENPRAF has good antioxidant activity, free radicals in a body can be removed, and life quality can be improved. On the otherhand, in-vivo anti-peroxidase system activity can be improved, the exogenous stimulation resisting function of the body is enhanced, so that the probability of aging, senescence and sickness of the body is reduced, and the bioactive polypeptide ENPRAF is of great significance for developing food, health care products and medicines with antioxidant functions and anti-aging functions.

The present invention relates to the field of proteins, and in particular relates to biologically active polypeptide AVPITPTLNREQ and a preparation method and application thereof, and the amino acid sequence of the biologically active polypeptide AVPITPTLNREQ is Ala-Val-Pro-Ile-Thr-Pro-Thr-Leu-Asn-Arg-Glu-Gln. In-vitro antioxidant experiments and in-vivo anti-aging experiments verify the biologically active polypeptide AVPITPTLNREQ has good antioxidant biological activity and anti-aging activity, on the one hand, the biologically active polypeptide AVPITPTLNREQ has good antioxidant activity, can remove free radicals in the body and improves the quality of life; on the other hand, the biologically active polypeptide AVPITPTLNREQ can enhance in-vivo anti-peroxidase system vitality, enhancesthe exogenous stimulus-resistant function of the body so as to reduce the probability of aging, senility and illness of the body, and has very important significance for development of food, health care products and drugs with anti-aging and antioxidant functions.

The invention relates to the field of protein, in particular to biologically active polypeptide QQPVLGPVRGP and a preparation method and application thereof. The biologically active polypeptide QQPVLGPVRGP has an amino acid sequence of Gln-Gln-Pro-Val-Leu-Gly-Pro-Val-Arg-Gly-Pro. After in vitro antioxidation experiments and in vivo anti-aging experiments are conducted, it is verified that the polypeptide QQPVLGPVRGP has good biologically antioxidation activity and anti-aging activity; on the one hand, the biologically active polypeptide QQPVLGPVRGP has good antioxidation activity so that freeradicals in the human body can be cleared, and the quality of life can be improved; on the other hand, in vivo anti-peroxidase activity can be improved, and the resistance of the human body to exogenous stimuli is enhanced, so that the chance of aging, senility and illness of the human body is reduced, and the biologically active polypeptide QQPVLGPVRGP has great importance to the development of food, health products and medicine which have antioxidation and anti-aging functions.

The present invention relates to the field of proteins, and in particular relates to biologically active polypeptide QQQTEDELQDKIHPF and a preparation method and application thereof, and the amino acid sequence of the biologically active polypeptide QQQTEDELQDKIHPF is Gln-Gln-Gln-Thr-Glu-Asp-Glu-Leu-Gln-Asp-Lys-Ile-His-Pro-Phe. In-vitro antioxidant experiments and in-vivo anti-aging experiments verify the biologically active polypeptide QQQTEDELQDKIHPF has good antioxidant biological activity and anti-aging activity, on the one hand, the biologically active polypeptide QQQTEDELQDKIHPF has goodantioxidant activity, can remove free radicals in the body and improves the quality of life; on the other hand, the biologically active polypeptide QQQTEDELQDKIHPF can enhance in-vivo anti-peroxidasesystem vitality, enhances the exogenous stimulus-resistant function of the body so as to reduce the probability of aging, senility and illness of the body, and has very important significance for development of food, health care products and drugs with anti-aging and antioxidant functions.

The invention relates to the protein field, in particular to bioactive polypeptide DKLAQ as well as a preparation method and an application thereof. An amino acid sequence of the bioactive polypeptideDKLAQ is Asp-Lys-Leu-Ala-Gln. In vitro anti-oxidation experiments and in vivo anti-aging experiments prove that the polypeptide DKLAQ has the better anti-oxidation bioactivity and anti-aging activity, on one hand, the bioactive polypeptide DKLAQ has better anti-oxidation activity and can scavenge free radicals in organisms and improve the quality of life; on the other hand, the bioactive polypeptide DKLAQ can improve the vitality of in vivo anti-peroxidase systems and enhance functions of organisms for resisting exogenous stimulation to reduce the probability of organism aging, senescence anddisease and has very important significance in development of food, healthcare products and drugs with anti-oxidation and anti-aging functions.

The invention relates to the field of proteins, in particular to bioactive polypeptide KEPMIGVNQELA as well as a preparation method and an application thereof. The amino acid sequence of the bioactivepolypeptide KEPMIGVNQELA is LysGlu-Pro-Met-Ile-Gly-Val-Asn-Gln-Glu-LeuAla. In-vitro antioxidant experiments and in-vivo antiaging experiments prove that the polypeptide KEPMIGVNQELA has better antioxidant bioactivity and antiaging activity; on one hand, the bioactive polypeptide KEPMIGVNQELA has better antioxidant activity and can scavenge free radicals in the organism, and quality of life is improved; on the other hand, activity of an in-vivo peroxidase-resistant system can be improved, resistance of the organism to exogenous stimulation is enhanced, so that probabilities of aging and sickness of the organism are reduced, and the polypeptide has great significance in developing food, health care products and drugs with antioxidant and antiaging functions.

The invention relates to the field of proteins, in particular to a bioactive polypeptide MQFAGLIILTIVG, a preparation method thereof and an application of the bioactive polypeptide. The amino acid sequence of the bioactive polypeptide MQFAGLIILTIVG is Met-Gln-Phe-Ala-Gly-Leu-Ile-Ile-Leu-Thr-Ile-Val-Gly. An in-vitro antioxidant experiment and an in-vivo anti-aging experiment verify that the polypeptide MQFAGLIILTIVG has good antioxidant biological activity and anti-aging activity. On one hand, the bioactive polypeptide MQFAGLIILTIVG has good antioxidant activity, free radicals in a body can beremoved, and life quality can be improved. On the other hand, in-vivo anti-peroxidase system activity can be improved, the exogenous stimulation resisting function of the body is enhanced, so that theprobability of aging, senescence and sickness of the body is reduced, and the bioactive polypeptide MQFAGLIILTIVG is of great significance for developing food, health care products and medicines withantioxidant functions and anti-aging functions.

The invention relates to the field of proteins, in particular to bioactive polypeptide QPEVMGVSKVKEAMAPKQKEMPFPKY as well as preparation and application thereof. The amino acid sequence of the bioactive polypeptide QPEVMGVSKVKEAMAPKQKEMPFPKY is Gln-Pro-Glu-Val-Met-Gly-Val-Ser-Lys-ValLys-Glu-Ala-Met-Ala-Pro-Lys-Gln-Lys-GluMet-Pro-Phe-Pro-Lys-Tyr. In-vitro antioxidant experiments and in-vivo antiaging experiments prove that the polypeptide QPEVMGVSKVKEAMAPKQKEMPFPKY has better antioxidant bioactivity and antiaging activity; on one hand, the polypeptide QPEVMGVSKVKEAMAPKQKEMPFPKY has better antioxidant activity and can scavenge free radicals in the organism and improve quality of life; on the other hand, the activity of in-vivo anti-peroxidase system can be improved, the function of the organism for resisting exogenous stimulation is enhanced, the probability of aging, senility and illness of the organism is reduced, and the bioactive polypeptide has great significance in development of food, health care products and drugs with antioxidant and antiaging functions.

The invention relates to the field of proteins, in particular to a bioactive polypeptide VPITPTLNRE as well as a preparation method and application thereof. An amino acid sequence of the bioactive polypeptide VPITPTLNRE is Val-Pro-Ile-Thr-Pro-Thr-Leu-Asn-Arg-Glu. According to an in-vitro anti-oxidation test and an in-vivo anti-ageing test, the polypeptide VPITPTLNRE is verified to have a relatively good anti-oxidation bioactivity and relatively good anti-ageing activity, so that the bioactive polypeptide VPIIPTLNRE has relatively good anti-oxidization activity, can eliminate free radicals in an organisms, improve life quality, the bioactive polypeptide can improve activity of an in-vivo anti-peroxidase system and strengthen a function that the organism resists exogenous stimulus, and reduce ageing, senility and illness probability of the organism, and therefore, the bioactive polypeptide VPITPTLNRE is of great importance in developing food, healthcare products and drugs with anti-oxidation functions and anti-ageing functions.

The invention relates to the field of proteins, in particular to a bioactive polypeptide VPITPTLNR as well as a preparation method and application thereof. An amino acid sequence of the bioactive polypeptide VPITPTLNR is Val-Pro-Ile-Thr-Pro-Thr-Leu-Asn-Arg. According to an in-vitro anti-oxidation test and an in-vivo anti-ageing test, the polypeptide VPITPTLNR is verified to have a relatively goodanti-oxidation bioactivity and relatively good anti-ageing activity, so that the bioactive polypeptide VPITPTLNR has relatively good anti-oxidization activity, can eliminate free radicals in an organisms, improve life quality, can improve activity of an in-vivo anti-peroxidase system and strengthen a function that the organism resists exogenous stimulus, reduce the ageing, senility and illness probability of the organism, and therefore, the bioactive polypeptide VPIIPTLNRE is of great importance in developing food, healthcare products and drugs with anti-oxidation functions and anti-ageing functions.

The invention relates to the field of proteins, in particular to a bioactive polypeptide KVTPYQA, a preparation method thereof and an application of the bioactive polypeptide. The amino acid sequenceof the bioactive polypeptide KVTPYQA is Lys-Val-Thr-Pro-Tyr-Gln-Ala. An in-vitro antioxidant experiment and an in-vivo anti-aging experiment verify that the polypeptide KVTPYQA has good antioxidant biological activity and anti-aging activity. On one hand, the bioactive polypeptide KVTPYQA has good antioxidant activity, free radicals in a body can be removed, and life quality can be improved. On the other hand, in-vivo anti-peroxidase system activity can be improved, the exogenous stimulation resisting function of the body is enhanced, so that the probability of aging, senescence and sickness of the body is reduced, and the bioactive polypeptide KVTPYQA is of great significance for developing food, health care products and medicines with antioxidant functions and anti-aging functions.