33 results about "Climacteric" patented technology

The invention provides a traditional Chinese medicine composition for treating osteoporosis. The traditional Chinese medicine composition comprises rhizoma drynariae, eucommia ulmoides, fructus psoraleae, ligusticum wallichii, raw radix astragali, codonopsis pilosula, radix cyathulae and radix achyranthis bidentatae. The traditional Chinese medicine composition can be used for effectively treating osteoporosis, myopenia-osteoporosis and climacteric osteoporosis.

The invention discloses a treatment method for relieving respiratory climacteric fruit and vegetable oxidation browning, and belongs to the technical field of fruit and vegetable storage and fresh-keeping processing. The method comprises the following steps: soaking treatment equipment and fruits and vegetables with NaClO or 75% ethanol solution, washing with deionized water, draining, and cutting into fresh-cut fruit and vegetable slices; soaking the pretreated fresh-cut fruit and vegetable slices in a 2-50 [mu] mol / L theanine solution, taking out the fresh-cut fruit and vegetable slices after the fresh-cut fruit and vegetable slices are completely soaked, and removing moisture on the surfaces of the fresh-cut fruit and vegetable slices; and storing the fresh-cut fruit and vegetable slices, wherein the sealed storage temperature is 0.5-8 DEG C. The treatment method can effectively slow down browning of the fresh-cut fruits and vegetables, is pollution-free to the environment, safe and sanitary, can improve the edible flavor of the fresh-cut fruits, and has the advantages of being green, environment-friendly, high in quality and low in price; the method not only can be used for relieving oxidation browning of fresh-cut apples, pears and yellow peaches, but also can be applied to browning and preservation of other breath climacteric fruits and vegetables, weight loss is reduced, and the method has good economic value.

The invention belongs to the technical field of food packaging and fresh-keeping materials, and discloses an ethylene adsorption and pH / pectinase double-response intelligent antibacterial composite film as well as a preparation method and application thereof. The composite film comprises a base film and a functional carrier distributed in the base film, the functional carrier is a material ZIF-8-cinnamyl aldehyde-pectin capable of adsorbing ethylene and responding to pH and pectin, and the base film comprises a film-forming polymer and a natural antibacterial agent. According to the composite film, efficient adsorption of ethylene released in the storage period of fruits and vegetables is achieved through a porous structure of ZIF-8, meanwhile, a synergistic effect is formed by an acid environment naturally generated in the fruit and vegetable ripening and rotting process and pectinase, and intelligent slow release of cinnamyl aldehyde loaded on ZIF-8 is accurately triggered; cinnamyl aldehyde can form a double-channel intelligent antibacterial system with the natural antibacterial property of chitosan in a film base material and the metal ion antibacterial property of ZIF-8, maturation and aging of typical respiratory climacteric fruits and vegetables can be remarkably delayed, and the antibacterial film has extremely high industrial application potential.

The invention discloses application of theanine in a preservative and a method for relieving cold injury of respiratory climacteric fruits, and belongs to the technical field of cold injury resistance. Firstly, the invention provides an application of theanine, and the theanine is used for preparing the preservative for relieving the cold injury of the respiratory climacteric fruits. Meanwhile, the theanine aqueous solution is used for preparing the fresh-keeping liquid for relieving the cold injury of the respiratory climacteric fruits. Based on the fresh-keeping liquid, the specific use method comprises the following steps: respectively placing the respiratory climacteric fruits in the theanine solution with the concentration of 5-20 mmol / L, soaking for 5-30 minutes, and drying after soaking is finished. Finally, the invention provides the theanine cold damage resistant preservative film which is prepared from the konjac glucomannan, the chitosan and the theanine, the final concentration of the konjac glucomannan is 0.2-0.8 g / L, the final concentration of the chitosan is 0.2-0.8 g / L, and the final concentration of the theanine is 5-20 mmol L <-1 >. The method is good in cold damage resistance effect and wide in application prospect.

The invention belongs to the field of traditional Chinese medicines, and provides application of a valerian extract in preparation of a medicine for preventing and treating climacteric syndrome. Pharmacological experiments show that the valerian extract has a regulation effect on a hypothalamic-pituitary-neuroendocrine system, and has important significance in regulating postmenopausal endocrine conditions of middle-aged and old women and improving anxiety, insomnia, dysphoria and other climacteric symptoms related to FSH (follicle stimulating hormone) and LH (luteinizing hormone). In addition, the valerian extract has a good regulation effect on secretion of related sex hormones and hypothalamus neurotransmitters of climacteric rats, and has a certain correction effect on the central monoamine neurotransmitter disorder state of the climacteric rats. The traditional Chinese medicine composition can improve clinical symptoms of climacteric syndrome.

The invention belongs to the technical field of postharvest fruit and vegetable preservation and food activity delivery materials, and discloses a salicylic acid nanoemulsion delivery system based on protein-polysaccharide interface self-assembly and a preparation method and application thereof. The system comprises an oil phase, a water phase and a protein-polysaccharide composite layer formed on an oil-water interface, the composite layer is formed by self-assembling zein (Zein) and chitosan (CS) through electrostatic interaction and hydrogen-bond interaction, and salicylic acid (SA) is embedded in the oil phase core. According to the invention, a stable core-shell framework is constructed by utilizing a self-assembly strategy driven by interface engineering, so that the encapsulation efficiency and chemical stability of salicylic acid are remarkably improved, and photo-thermal degradation of salicylic acid is effectively inhibited. The nano-emulsion system has a typical shear thinning rheological property, is suitable for spraying and film forming on the surfaces of fruits and vegetables, can obviously delay ethylene release and maturation and aging of respiratory climacteric fruits and vegetables through a physical barrier and physiological regulation synergistic mechanism, and has a wide application prospect in the field of green preservation.

The application relates to the field of postharvest preservation of fruits and vegetables, and particularly discloses a polypeptide and a derivative thereof with fruit and vegetable preservation functions and applications. The polypeptide comprises the following two kinds: DP1, the amino acid sequence of which is VTLLDLIKDVEM; and DP2, the amino acid sequence of which is SRKNVTAYGSLG. Research shows that the polypeptide can interact with a key receptor protein in a plant ethylene signal pathway, thereby inhibiting ethylene signal transmission and delaying the fruit and vegetable ripening and aging process. The polypeptide or the derivative thereof is applied to the surface of fruits and vegetables in a spraying or soaking mode, and can significantly reduce the fruit peel browning and rotting rate and prolong the shelf life of the fruits and vegetables under normal temperature or cold chain storage conditions. The polypeptide has the advantages of small molecular weight, good stability, high safety, convenient use and the like, and is suitable for postharvest preservation of various fruits and vegetables such as tomatoes, mangoes and the like.

Disclosed in the present invention is a protein-based edible fruit preservative liquid. The preservative liquid is a mixed solution of a protein compounded with a polysaccharide compound and a bio-based nanoparticle, and a film-forming agent. The preservative liquid can be modified on fruits by means of dipping or spraying to form a preservative coating. The protein-based edible fruit preservative liquid has a simple preparation method, can form a film on any fruit, and has good antibacterial properties and preservative effects. Moreover, the raw materials of the preservative liquid have the advantages of a low cost, good dispersion, complete non-toxicity, etc. The preservative liquid of the present invention has good preservative effects on both respiratory climacteric and non-respiratory climacteric fruits, can prolong the shelf life, and also has excellent preservative and antioxidant effects on fresh-cut fruits.

The invention discloses a comprehensive climacteric woman health management system, and belongs to the technical field of health management. A comprehensive climacteric woman health management system comprises an information acquisition module, a health prediction module, a health guidance module and an information storage module. The problems that in the prior art, only the current health state of the climacteric woman can be evaluated, and hidden health problems and trends are difficult to find are solved, the information of the climacteric woman is stored by establishing the distributed storage area, the safety of long-term storage of the information of the climacteric woman is guaranteed, the resource utilization rate is optimized, and the user experience is improved. Potential risks of osteoporosis, hypertension, coronary heart disease and other diseases can be recognized, timely intervention is performed to delay or avoid disease development, the overall health level is improved, early psychological intervention is facilitated, common mood troubles in climacteric are relieved, the estrogen decline degree can be determined, a hormone replacement therapy scheme can be made in an assisted mode, and the development period of the disease is shortened. And the living quality of climacteric women is improved.

The invention relates to a method for prolonging shelf life of agricultural products by using a BOPE (biaxially oriented polyethylene) film, which is characterized in that PE (polyethylene) and BOPE film packaging are respectively applied to fresh tomato fruits (breathing climacteric change) and strawberry fruits (non-breathing climacteric change), the weight loss ratio, malondialdehyde and oxidation trend of the fruits are obviously reduced, and the activity of antioxidant enzyme POD (peroxidase) is obviously improved. The weight loss ratio of the strawberries packaged by the BOPE film is lower than that of a control group at the end of the storage period, the hardness and the soluble solid content of the fruits are higher than those of the control group, and the phenomena of aging, water loss, hardness and soluble solid (TSS) reduction of the harvested strawberries in the storage process are effectively delayed. The weight loss ratio of the tomato fruits packaged by the BOPE film is obviously reduced compared with that of a control group, and a good effect is achieved in the aspects of keeping the hardness and the soluble solid content of the fruits.

To provide a climacteric disorder improver, a climacteric disorder prevention agent, a food composition for improving climacteric disorder, a food composition for preventing climacteric disorder, a method for determining crisis of climacteric disorder, and a method for predicting crisis of climacteric disorder.SOLUTION: The invention provides, a climacteric disorder improver containing selenium compounds as an active ingredient, a climacteric disorder prevention agent containing selenium compounds as an active ingredient, a food composition for improving climacteric disorders containing selenium compounds as an active ingredient, a food composition for preventing climacteric disorders containing selenium compounds as an active ingredient, a method for determining the onset of climacteric disorders that includes a step of measuring the selenium concentration in the subject's sample, and a method for predicting the onset of climacteric disorders that includes a step of measuring the selenium concentration in the subject's sample.SELECTED DRAWING: None

The invention discloses a composition for improving male and female dysfunction and climacteric syndrome, the composition is prepared from the following raw materials in parts by weight: 5-20 parts of royal jelly freeze-dried powder and 5-20 parts of bee pollen, and the composition is prepared by the following preparation method: step 1, sequentially putting the royal jelly freeze-dried powder and the bee pollen into a container according to the proportion, and uniformly stirring; uniformly stirring through a stirring rod to obtain mixed powder; step 2, placing the mixed powder obtained in the step 1 in an environment of minus 40 DEG C for freeze drying to obtain a mixed composition; and step 3, pressing the mixed composition obtained in the step 2 into tablets in an environment of 15 DEG C through a tablet press. The composition disclosed by the invention is scientific and reasonable in formula, can directly act on affected parts, can be used for treating male and female dysfunction, prostate symptoms and climacteric syndromes, improves the activeness of male sperms, improves the survival rate of female ova, enhances the immunity, and improves female vaginal dryness, inflammation and endocrine disorder.

The invention discloses a compound seaweed health-care health-preserving food which comprises the following raw materials in parts by weight: 6-8% of seaweed, 5-7% of black sesame paste, 4-6% of black beans, 3-5% of agaric, 2-3% of collagen peptide, 1-2% of rhizoma polygonati powder, 1-2% of ganoderma lucidum spore powder, 1-3% of longan pulp, 10-15% of honey, 0.07% of biotin and the balance of water. According to the product, the seaweed is used as a main raw material and is matched with a plurality of raw materials rich in nutrition, such as the black sesame paste, the black beans, the agaric, the collagen peptide, the rhizoma polygonati powder, the ganoderma lucidum spore powder, the longan pulp, the honey and the biotin, so that the nutritional ingredients are more comprehensive, the dietary therapy health-preserving effect is more obvious, and the technological content is also improved; according to the production process, the heating time is shortened, the loss of nutritional ingredients of the materials due to overlong heating time is avoided, the dietary therapy effects of various materials are fully exerted, and good dietary therapy effects are achieved in the aspects of beautifying, improving essence, qi and spirit, protecting hair, resisting aging and oxidation, preventing climacteric syndromes and the like.

A ripeness determination system and a ripeness determination method that include determining a degree of climacteric ripeness of a melon based on at least two factors obtained from an image of a stem of the melon, and determining whether the melon is ripe to eat based on the degree of climacteric ripeness.

This invention discloses a pectin-nanolignin-citrus essential oil composite coating liquid, its preparation method, and its application. The preparation method includes the following steps: first, a nanolignin suspension is prepared; then, citrus essential oil is added and homogenized to obtain a nanolignin Pickering emulsion; finally, a pectin solution is added and homogenized again to obtain the pectin-nanolignin-citrus essential oil composite coating liquid. When used for food preservation, the pectin-nanolignin-citrus essential oil composite coating liquid of this invention forms a composite coating with excellent broad-spectrum antibacterial, antioxidant, UV-resistant, and long-term essential oil release properties. It also enhances physical properties such as mechanical properties, water vapor / oxygen barrier properties, and hydrophobicity, significantly extending the shelf life of climacteric fruits (kiwifruit) and non-climacteric fruits (strawberries), demonstrating great application potential in the field of fruit preservation.

The invention belongs to the technical field of molecular biology gene engineering, and particularly discloses a Nanguo pear lncRNA-EIF2 gene, an overexpression vector and application. In order to solve the problem that respiratory climacteric pears are poor in storage property, the invention provides a Nanguo pear lncRNA-EIF2 gene, and the nucleotide sequence of the Nanguo pear lncRNA-EIF2 gene is as shown in SEQ ID NO.1. The invention further constructs an overexpression vector comprising the Nanguo pear lncRNA-EIF2 gene, the vector is transferred into Nanguo pear fruits through an agrobacterium-mediated transformation method, and identification proves that the Nanguo pear lncRNA-EIF2 gene can inhibit the generation of Nanguo pear ethylene and improve the storage property of Nanguo pears. The invention provides a theoretical basis and a technical means for inhibiting the generation of ethylene so as to improve the storage property of fruits, and has a very high application value.

The invention discloses a composition of plant extracts capable of taking effect quickly and probiotics capable of taking effect for a long time and application of the composition of the plant extracts capable of taking effect quickly and the probiotics capable of taking effect for a long time. The composition comprises a first composition which takes effect quickly, further comprises a plant extract and a second composition which takes effect for a long time, and further comprises one or more of probiotics, prebiotics and metabiotics. The first composition and the second composition are used for improving digestive system functions, enhancing intestinal barriers, enhancing immunity, improving mood, relieving pressure and anxiety, improving female health, relieving climacteric symptoms, improving uncomfortable symptoms in the menstrual period, controlling and managing body weight and improving oral health through a synergistic effect.

The invention belongs to the technical field of traditional Chinese medicines, and particularly relates to a traditional Chinese medicine composition for treating climacteric-like symptoms as well as a preparation method and application of the traditional Chinese medicine composition. The traditional Chinese medicine composition comprises the following raw materials: prepared rehmannia root, Chinese yam, wine-processed fructus corni, fried spina date seed, moutan bark, gardenia, white paeony root, rhizoma alismatis, angelica sinensis, poria cocos, blighted wheat, radix bupleuri and honey-fried licorice root, and the traditional Chinese medicine composition has the effects of nourishing yin, tonifying kidney, clearing heat and soothing liver, can effectively treat climacteric-like symptoms, and almost has no influence on sex hormone level, so that the traditional Chinese medicine composition has no toxic or side effect. Compared with hormone replacement treatment medicines, the medicine is safer. Especially for tumor patients with climacteric-like symptoms after receiving ovarian function inhibition treatment, the traditional Chinese medicine composition can improve the symptoms and avoid tumor recurrence caused by estrogen fluctuation at the same time.

The present invention relates to the field of biotechnology, specifically to a grape VvCLE11 short peptide and its use in promoting fruit color change and as a foliar plant growth regulator. The grape VvCLE11 short peptide can be applied via foliar spraying to indirectly improve fruit quality, shorten the ripening period, and reduce chemical residues on the fruit surface. This approach offers the potential to safely and effectively promote fruit ripening, particularly enhance food safety, and regulate the ripening stage of non-climacteric fruits, potentially replacing the traditional hormone abscisic acid in grape fruit.

The invention discloses a traditional Chinese medicine composition for treating climacteric depression. The traditional Chinese medicine composition is prepared from 10-30 parts of radix rehmanniae, 10-20 parts of radix paeoniae alba, 10-30 parts of bulbus lilii, 10-20 parts of rhizoma atractylodis macrocephalae fried with soil, 5-15 parts of radix bupleuri, 10-20 parts of radix curcumae, 10-30 parts of radix scutellariae and 10-20 parts of rhizoma polygonati with wine. The raw materials of the traditional Chinese medicine composition are all traditional Chinese medicinal materials and have the effects of soothing liver-qi stagnation, regulating qi and blood, tranquilizing and allaying excitement and the like; wherein the radix rehmanniae has the effects of nourishing yin, promoting the secretion of saliva or body fluid and nourishing yin to lessen fire, the radix paeoniae alba has the effects of nourishing blood, nourishing liver, astringing yin and stopping perspiration, the lily has the effects of nourishing yin, moistening lung, clearing away heart fire and tranquilizing mind, the bighead atractylodes rhizome has the effects of tonifying spleen, benefiting stomach, eliminating dampness and calming middle warmer, the radix bupleuri has the effects of soothing liver-qi stagnation, the radix curcumae has the effects of clearing away heart-fire, relieving restlessness, promoting qi circulation and relieving depression, the radix scutellariae has the effects of clearing heat, eliminating dampness, purging fire and relieving restlessness, and the The compatibility of the traditional Chinese medicine composition conforms to the principle of'monarch, minister, assistant and guide 'of traditional Chinese medicines, that is, various raw material medicines play different roles in combination and jointly coordinate to achieve the purpose of treating the climacteric depression.

The technical problem of the present invention is to provide a composition for improving fatigue, sleep disorder or asthenopia and climacteric symptoms. The technical problem is solved by a composition containing lactobacillus plantarum L-137.

The invention discloses a method for physically ripening fruits based on magnetic field treatment and capable of regulating and controlling the ripening process and application. According to the method, different fruit ripening acceleration effects are achieved by adjusting the magnetic induction intensity, the magnetic field treatment period and the intensity of the atmosphere cold plasma coupled with the magnetic field. The conditions are as follows: the magnetic induction intensity is 10-120 Gs, the treatment mode is magnetic field short-time intermittent treatment, magnetic field continuous treatment or magnetic field coupling atmosphere cold plasma treatment, and the treatment period is 30 minutes to 24 hours per day; the magnetic field coupling atmosphere cold plasma concentration is 0-450 ppm (based on the ozone concentration); the maturity of the respiration climacteric fruit is a green ripe stage; the temperature of the ripening chamber is 15-35 DEG C, and the relative humidity is 70-95%. And the fruits can reach a commercial mature state 2-12 days in advance. The technology provided by the invention can accurately regulate and control the after-ripening process of fruits, and has the advantages of greenness and no pollution.

The present invention relates to a method for preparing a liposomal pomegranate extract containing phytoestrogen, and more specifically, when a pomegranate extract is prepared using a two-stage fermentation alcohol with a specific concentration and a nano-emulsion technique is used to perform nano-sized liposomal treatment, active ingredients such as phytoestrogen in the pomegranate extract are significantly increased, and thus, the amount of the active ingredients such as the phytoestrogen in the pomegranate extract is significantly increased, and the amount of the active ingredients such as the phytoestrogen in the pomegranate extract is significantly reduced. In addition, the stability of the active ingredients is maintained for a long period of time, so that the pomegranate extract (ESTROBAL) prepared by the preparation method of the present invention can be effectively used as a component of a health-care functional food or a common food which contributes to improving female climacteric symptoms and symptoms caused by estrogen imbalance.

The invention relates to the technical field of biology, in particular to grape VvCLE11 oligopeptide and application of the grape VvCLE11 oligopeptide in promoting fruit coloring and serving as a leaf plant growth regulator. The grape VvCLE11 oligopeptide can indirectly improve the fruit quality, shorten the mature period of fruits and reduce chemical residues on the surfaces of the fruits in a foliage spraying manner. The invention provides possibilities for safely and effectively promoting fruit ripening, especially enhancing food safety, regulating and controlling ripening nodes of non-respiratory climacteric fruits and replacing traditional hormone abscisic acid to be applied to grape fruits.

The application discloses a kind of bio-based nanofiber membrane and its preparation method and application in ethylene adsorption and fruit preservation;The application is by dispersing oxidized starch and pullulan in water, and is configured into the mixed solution of oxidized starch / pullulan with solute mass fraction of 15~30%, and starch-polyose compound paste solution is obtained by gelatinization;Add water-soluble protein, heat and stir to obtain electrospinning liquid;The electrospinning liquid is electrospun to obtain bio-based nanofiber membrane.The bio-based nanofiber membrane prepared by the application can adsorb ethylene gas in the environment under normal temperature and pressure as a green material, and has low cost, simple process and can be reused.The nanofiber membrane system prepared by selecting oxidized starch-pullulan-water-soluble protein can adsorb 3.19-15.40cm 3 / g ethylene gas under normal temperature and pressure, prolongs the shelf life of food, and comprehensively realizes the preservation of banana and other respiratory-peak fruits.

The invention provides an essential oil composition for female climacteric conditioning and a preparation process thereof, and belongs to the technical field of essential oil for conditioning climacteric. The preparation method comprises the following steps: preparing the black cimicifugae foetidae extract nano-composite; preparing a compound essential oil microcapsule; and preparing the essential oil composition. The whey protein isolate and the sodium carboxymethyl starch are respectively dissolved and then are heated, stirred and mixed, so that the whey protein isolate and the sodium carboxymethyl starch are preliminarily combined through electrostatic attraction, then the compound essential oil is added, and the composite emulsion is prepared through homogenization and ultrasonic treatment, so that the specific surface area of the microcapsule can be remarkably increased, more adsorption sites are provided, and the adsorption efficiency is improved. The preparation method comprises the following steps: preparing whey protein isolate from whey protein isolate, then catalyzing a cross-linking reaction of glutamine and lysine among whey protein isolate molecules through transglutaminase to form a three-dimensional network skeleton, and meanwhile, combining carboxyl of sodium carboxymethyl starch with amino of the whey protein isolate through ionic bonds to fill network gaps, so that the embedding rate of the compound essential oil can be effectively improved.

The invention discloses a traditional Chinese medicine composition, liver-nourishing and heat-clearing paste and application of the liver-nourishing and heat-clearing paste in preparation of a medicine for treating climacteric syndrome, and relates to the technical field of traditional Chinese medicines. The traditional Chinese medicine composition is prepared from a preparation A, a preparation B, bamboo juice, donkey-hide gelatin and deer-horn glue, wherein the preparation A is prepared from wild chrysanthemum flowers, fructus lycii, raw fructus gardeniae, radix curcumae, radix scutellariae, cortex phellodendri, radix ophiopogonis, radix adenophorae, fructus toosendan, rhizoma anemarrhenae, radix angelicae sinensis, prepared rhizoma cyperi, fructus cannabis, bunge cherry seeds, fried fructus aurantii and pericarpium citri reticulatae; the preparation B comprises poria cocos, salted rhizoma alismatis, semen plantaginis, paris polyphylla, liquorice, ginger bamboo shavings, radix bupleuri, radix paeoniae alba and radix hedysari; the liver-nourishing and heat-clearing paste comprises the traditional Chinese medicine composition, and the invention further provides application of the traditional Chinese medicine composition or the liver-nourishing and heat-clearing paste in preparation of medicines for treating climacteric syndromes. The invention provides a quick-acting and radical treatment integrated solution for climacteric patients according to the mechanism of clearing liver fire, nourishing kidney and replenishing essence, and regulating the central nervous system.

The present invention belongs to the technical field of molecular biology, and discloses a primer pair and application for detecting a molecular marker related to ethylene transition of pear fruit. The molecular marker is expressed as an insertion / deletion length polymorphism of the nucleotide sequence shown in SEQ ID NO.4. The molecular marker described in the present invention is closely related to the non-respiratory transition trait of pear fruit, and a PCR primer pair for accurately confirming the non-respiratory transition mechanism of pear fruit is developed, which has the advantages of strong specificity and good stability. The molecular marker of the present invention can assist in screening the non-respiratory transition trait of pear fruit and distinguish the non-respiratory transition trait dependence mechanism, greatly accelerate the pear breeding process, and is beneficial to the post-harvest storage of the fruit.

The invention relates to the technical field of postharvest preservation of fruits and vegetables, and particularly discloses a polypeptide with a fruit and vegetable preservation function and a derivative and application thereof. The polypeptide comprises the following two kinds of polypeptides: DP1, the amino acid sequence of which is VTLLDLIKDVEM; and the amino acid sequence of the DP2 is SRKNVTAYGSLG. Research shows that the polypeptide can interact with key receptor protein in a plant ethylene signal channel, so that ethylene signal transduction is inhibited, and fruit and vegetable ripening and aging processes are delayed. The polypeptide or the derivative thereof is applied to the surfaces of fruits and vegetables in a spraying or soaking mode, the occurrence rate of browning and rotting of fruit peels can be remarkably reduced under the normal-temperature or cold-chain storage condition, and the shelf life of the fruits and vegetables is prolonged. The polypeptide has the advantages of being small in molecular weight, good in stability, high in safety, convenient to use and the like, and is suitable for postharvest preservation of various breathing jump fruits and vegetables such as tomatoes and mangoes.

The invention provides application of a pathway enrichment analysis differential metabolite in analysis of a medicine for treating climacteric syndrome, and belongs to the technical field of biological pharmacy. And comparing and analyzing metabolites of the drug group and the placebo group before and after medication, and screening to obtain the metabolite homovanillic acid enriched in the dopamine synaptic pathway. The potential mechanism of relieving anxiety symptoms by adjusting a dopaminergic synaptic pathway through metabonomics analysis of drugs for treating climacteric syndromes lays a foundation for subsequent drug research.