103 results about "Guava extract" patented technology

The invention relates to a composition with anti-inflammatory and anti-aging effects and application thereof, the composition comprises a dogwood extract, a radix fici simplicissimae extract and a guava extract, the composition can effectively scavenge free radicals, inhibit collagenase activity and inhibit generation of fluorescent AGEs, and the composition has the anti-inflammatory and anti-aging effects. Skin aging and skin laxity and darkness caused by glycosylation reaction are prevented. Meanwhile, by inhibiting NO secretion, the composition relieves skin inflammation reaction and can also improve skin microcirculation. All the components have a synergistic effect, so that the anti-oxidation, anti-inflammatory, anti-aging and anti-saccharification effects are remarkably enhanced, and the skin problems are comprehensively solved. No organic solvent is used in the process, the green and environment-friendly concept is met, the safety and reliability of the extract are ensured, and a mild and efficient solution is provided for anti-aging.

The invention discloses bacillus subtilis S1703 and application thereof, and belongs to the technical field of plant disease and pest control. The name of the bacterial strain is bacillus subtilis S1703, and the preservation number of the bacterial strain is GDMCC No: 66890. The bacterial strain S1703 has a wider antibacterial spectrum, and can effectively inhibit the growth of pathogenic bacteria such as fusarium oxysporum, colletotrichum gloeosporioides, alternaria alternata, aspergillus, phyllosticta, citrus reticulata, fusarium and the like; fermentation liquor of the S1703 has a good antibacterial effect on the psidium guajava wilt pathogen and the psidium guajava branch blight pathogen; the bacteriostasis rate on sigatoka sigatoka and guava leaf spot germs reaches 95% or above, and an excellent bacteriostasis effect is achieved. The strain S1703 can avoid potential adverse effects of chemical pesticides on the environment and crop safety, and has potential commercial development and application values in biological prevention and control practice of diseases.

The invention provides a tea composition capable of reducing blood sugar as well as a preparation method and application of the tea composition, and belongs to the technical field of tea compositions. The tea comprises the following raw materials in parts by weight: 1-5 parts of white tea, 1-9 parts of roses, 1-9 parts of guava leaf tea, 1-5 parts of mulberry leaves, 1-5 parts of ampelopsis grossedentata and 1-5 parts of cyclocarya paliurus. The tea has the effects of reducing postprandial blood sugar, stabilizing and controlling sugar, relaxing bowel, relieving constipation and reducing weight, and tea soup is rich in fragrance, pure in taste and long in aftertaste. According to the invention, chronic disease management requirements can be provided for patients with chronic diseases such as insulin resistance, diabetes mellitus and long-term constipation, and significant benefits are brought to health management. The traditional Chinese medicine composition can relieve the medical resource pressure caused by lifelong medication of diabetic patients at present, improves the life quality of the patients, and provides an example for exploring the application of natural medicines in chronic disease treatment.

The invention provides a fruit juice fermentation inoculant, fermented guava juice and a preparation method, and belongs to the technical field of fermented beverages. The invention provides a compound fermentation inoculant capable of fermenting fruit juice, the compound fermentation inoculant is composed of lactobacillus plantarum and lactobacillus fermentum, the fermentation inoculant is applied to fermentation of guava fruit juice, beta-glucosidase secreted in the fermentation process can hydrolyze combined polyphenol substances in guavas, and then the guava fruit juice is fermented. The antioxidant is converted into high-activity antioxidants such as quercetin and gallic acid in a free state, so that the content of free phenol is increased by about 2 times, and the scavenging rate of DPPH free radicals is increased by more than 40%. The fermentation is carried out in an oxygen-free environment, the retention rate of vitamin C can reach 80% or above, the low pH value at the fermentation end point and organic acid jointly inhibit pathogenic microorganisms, and the product stability is guaranteed. Therefore, the guava juice prepared from the compound fermentation inoculant maximally releases the natural nutritional potential of guavas.

The invention relates to the technical field of cosmetics, and discloses an umbilical cord blood moisturizing essence composition, an umbilical cord blood moisturizing essence as well as a preparation method and application of the umbilical cord blood moisturizing essence. The composition contains a hydrolyzed placenta extract, placenta protein, an umbilical cord extract, a guava fruit extract, a radix gentianae extract, decapeptide-4, nonapeptide-1, a lactobacillus fermentation product and a yeast fermentation product filtrate. The umbilical cord blood moisturizing essence prepared from the composition has multiple effects of moisturizing, repairing and resisting aging, and is mild, safe, excellent in stability and high in active ingredient retention rate.

To provide a novel transepidermal water loss reducing agent.SOLUTION: A transepidermal water loss reducing agent comprises an extract of yellow strawberry guava (Psidium littorale) fruit as an active ingredient. The extract comprises GlcCer[t18:1(8Z) / 23:0]. The extract further comprises at least one component selected from GlcCer[d18:2(4E, 8Z) / 16:0], GlcCer[t18:1(8Z) / 22:0], GlcCer[t18:1(8Z) / 23:0], GlcCer[t18:1(8Z) / 24:0], GlcCer[t18:1(8Z) / 25:0], GlcCer[t18:1(8Z) / 26:0], 1,2-dilinolenoyl-3-digalactosylglycerol, 1-palmitoyl-2-linolenoyl-3-digalactosylglycerol and the like.SELECTED DRAWING: None

The invention provides a corn stigma extract-containing mask mud with repairing, anti-wrinkle and freckle-removing effects and a preparation method thereof, and relates to the technical field of cosmetics. The mask mud is prepared from the following raw materials: corn stigma extract, guava fruit extract, white willow bark extract, tamarix chinensis flower extract, sulfonic acid hydroxypropyl ester lauryl glucoside cross-linked polymer sodium and auxiliary materials. The corn stigma extract is taken as a main raw material, and the three natural extracts, namely the guava fruit extract, the white willow bark extract and the tamarix chinensis flower extract, are compounded according to a specific proportion, so that multiple effects of resisting wrinkles, removing acnes, whitening, resisting allergy, repairing, removing freckles, tightening, moisturizing, soothing and the like are realized at the same time, and the effect of the corn stigma extract is remarkably improved; sulfonic acid hydroxypropyl ester lauryl glucoside cross-linked polymer sodium is used as a surfactant, so that the lotion is milder and more moisturizing, no preservative is added, and damages such as skin irritation, allergy, red and swollen skin, cuticle damage and dry skin are reduced.

The present invention provides a method for extracting an active ingredient from leaves of a Psidium plant. The method for extracting the leaves of the psidium plant comprises the following steps: (a) providing fragments or powder of the leaves of the psidium plant; (b) mixing the fragments or powder of the leaves of the guava plant with water to form a leaf fragment mixture or leaf powder suspension; (c) an enzyme preparation is added to the leaf fragment mixed solution or the leaf powder suspension to form a first mixture, an enzyme treatment procedure is carried out to obtain an enzyme treatment substance, and the weight ratio of the leaf powder of the psidium plant to the enzyme preparation is 1: 0.01-1; and (d) mixing the enzyme treatment material with an alcohol solvent to form a second mixture, and performing an extraction procedure to obtain an extract liquid which contains at least one active component.

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.

This invention discloses a pesticide composition for controlling guava nematodes and its preparation method, belonging to the field of pesticide technology. By weight, the raw materials of the pesticide composition include the following components: 8-12 parts of neem seed extract, 8-12 parts of pyrethrum extract, 5-8 parts of tongkat ali extract, 5-8 parts of croton fruit peel extract, 5-8 parts of guava leaf extract, 20-25 parts of compound microbial agent, 3-5 parts of sodium lignosulfonate, 5-8 parts of xanthan gum, 4-6 parts of trehalose, and 80-100 parts of water. The above components work synergistically to achieve excellent control of guava nematodes.

The invention relates to a pharmaceutical composition for repairing oral gingivitis and a preparation method thereof, and belongs to the technical field of biological medicine, the pharmaceutical composition comprises a lactobacillus salivarius fermentation extract, a herba violae extract, golden cicada nymph extract peptide, guava polyphenol and resveratrol; the lactobacillus salivarius fermentation extract is obtained by carrying out aerobic fermentation and anaerobic fermentation on lactobacillus salivarius to obtain a fermentation product, and purifying and extracting the fermentation product through an XAD7HP macroporous adsorption resin column; the philippine violet herb extract is obtained by performing enzymolysis on whole philippine violet herb through pectinase and cellulase and then performing enzymolysis through compound protease to obtain zymolyte, and purifying and extracting the zymolyte through a compound adsorption column. The golden cicada nymph extracted peptide is obtained by purifying and extracting 5kDa zymolyte obtained by performing step-by-step enzymolysis on golden cicada nymphs through papain and trypsin through a Q agarose gel FF adsorption column. All the components are matched for use according to a certain proportion, so that the antibacterial coating is capable of precisely resisting bacteria, has efficient anti-inflammatory and anti-oxidation properties, and is safe and reliable.

The present invention provides a Lactobacillus starter and its application in the fermentation of guava juice. The Lactobacillus starter includes one or more of Lactiplantibacillus plantarum HNU082, Lactiplantibacillus plantarum HNU072, Lactiplantibacillus plantarum HNU503, and Lactobacillus mucosae HNU508. The present invention uses Lactobacillus to ferment guava juice, which has a positive effect on improving the flavor and taste of guava juice, extending the shelf life of guava juice, and enhancing the hypoglycemic functional characteristics of guava juice. It can further guide the fermentation and processing technology of guava juice and improve its economic benefits.

The invention belongs to the field of medicine, and particularly relates to a composition of piper sarmentosum and guava leaf extract and application of the composition in inhibiting mycoplasma. According to the composition, the sarmentose pepper herb extract and the guava leaf extract are used in a compatible mode, the composition is finally prepared by adjusting the mass ratio of the two extracts, tests prove that the mycoplasma hyopneumoniae inhibiting activity is remarkably improved, the acting effect is remarkably improved compared with that of the single sarmentose pepper herb extract and the single guava leaf extract, and the FIC index of the composition reaches 0.75; the combination of the two extracts has a remarkable additive effect, a new medicine is provided for prevention and treatment of swine mycoplasmal pneumonia, and the composition has important promotion significance for prevention and treatment of diseases in the pig breeding process.

The present invention relates to a method for preparing a fermented guava leaf composition having antioxidant efficacy superior to that of conventional guava leaves by using lactic acid bacteria fermentation in a guava leaf extract. The present invention has an excellent effect of providing: the method for preparing a guava leaf composition fermented with lactic acid bacteria, in which lactic acid bacteria of Leuconostoc mesenteroides (MGE 3138), Lactobacillus plantarum (MGE 3143), and Leuconostoc citrium Cares-1 are inoculated into a guava leaf extract and fermented; and a food composition having improved antioxidant efficacy and palatability by using the composition.

The utility model discloses an automatic water replenishing device for psidium guajava planting in saline-alkali soil, and particularly relates to the technical field of saline-alkali soil water replenishing. The automatic water replenishing device comprises a water tank, a bottom plate is fixedly arranged at the bottom of the water tank, an upper cover is arranged at the top of the water tank, a water suction pump is fixedly arranged on one side of the top of the bottom plate, and a water inlet of the water suction pump is fixedly communicated with a water inlet pipe; one end of the water outlet pipe is fixedly communicated with a first connecting pipe, one side of the first connecting pipe is fixedly communicated with a plurality of second connecting pipes, the tops of the second connecting pipes are fixedly communicated with a plurality of nozzles, and the outside of the first connecting pipe is connected with a plurality of soil moisture detectors through a support. Impurities in a water source can be filtered through the filter screen, the impurities in the water source can be prevented from blocking the water suction pump or the spray head, the service life of the water tank is prolonged, the connecting plate can be pulled out from the interior of the water tank through the filter mechanism, the impurities on the filter screen are cleaned, and the impurities are prevented from blocking the filter screen.

The present invention discloses a high-throughput manual micro-grafting method for guava seedlings, the method comprising: step 1: using a hole mold to make a plurality of holes in a disposable culture dish, pouring a culture medium, waiting for it to be completely cooled, taking out the hole mold, and then placing a cutting guide groove at the position of the hole; step 2: according to the different uses of the rootstock or scion, the seeds are sequentially dotted into the holes in the culture dish described in step 1, one seed per hole; step 3: cultivating the seedlings grown in the culture dish; step 4: micro-grafting the seedlings in the culture dish. The present invention overcomes the shortcomings of easy damage, low survival rate, poor stock-scion joint accuracy, poor uniformity of experimental treatment, etc. of traditional laboratory seed seedling micro-grafting, significantly improves the speed of micro-grafting, and provides a guarantee for the study of grafting affinity mechanism and small-batch production of micro-grafted seedlings.

The invention relates to a preparation method of a corrosion inhibitor, and the method comprises the following steps: providing plant raw materials which are treated to be dry, and the plant raw materials comprise moso bamboo leaves, guava leaves and marigold; the moso bamboo leaves and the guava leaves are smashed and then subjected to ultrasonic extraction with a first alcohol solvent, and a first extracting solution is obtained; crushing the marigold, and performing supercritical CO2 extraction by taking a second alcohol solvent as a cosolvent to obtain a second extracting solution; mixing the first extracting solution and the second extracting solution to obtain a plant extracting solution; and mixing the plant extract, the corrosion inhibition synergist and the alcohol-water solution to obtain the corrosion inhibitor. Main active substances of the corrosion inhibitor can be degraded, and the corrosion inhibitor is environmentally friendly and has excellent corrosion inhibition capacity.

The utility model relates to a saline-alkali soil planting groove in the technical field of planting grooves, a water collecting cavity used for draining rainwater of a planting groove body into a water storage cavity is formed in the side wall of the planting groove body, and a water absorption hole used for being communicated with the water storage cavity is formed in the bottom end of the planting groove body. A filter screen plate used for filtering muddy water entering the water collecting cavity is arranged in the slag storage box, and a slag discharging opening used for discharging impurities in the muddy water is formed in the outer side of the slag storage box. Muddy water can be discharged into the water collecting cavity along the multiple filtering holes, and meanwhile excessive muddy water in the planting groove body is conveyed into the water collecting cavity through the multiple drainage holes; meanwhile, muddy water flows into the slag storage box along the filtering holes; the sludge is conveyed into the water collecting cavity through a plurality of second drainage holes, impurities are discharged through a slag discharging opening, and finally the sludge collected in the water collecting cavity is stored in the water storage cavity in a centralized mode through a plurality of second drainage holes; and continuous growth of guava plants in the planting groove body can be ensured.

The invention belongs to the technical field of pest control, and particularly relates to a method for efficiently controlling guava leaf rollers. The invention relates to an insecticidal composition. The insecticidal composition is prepared by binary compounding of an effective component I and an effective component II, the effective component I is pyridalyl, and the effective component II is emodin; the mass ratio of the effective component I to the effective component II is (1-100): (100-1). According to the prevention and control method, the insecticidal composition is selected for foliage spraying, meanwhile, the guava fruits are subjected to bagging treatment, and therefore the angutortria can be effectively prevented and controlled. When the effective components in the insecticidal composition are compounded, the insecticidal composition has a synergistic effect on psidium guajava leaf roller, and compared with a single effective component, the insecticidal composition can improve the prevention and control effect on the psidium guajava leaf roller, reduce the use dosage of pesticides and reduce the influence on the environment; in addition, generation and development of pesticide resistance can be delayed, the service life of the pesticide is prolonged, and comprehensive prevention and control of agricultural pests are facilitated.

The invention discloses a guava insect prevention and buffering integrated bag for a machine, and relates to a fruit protection bag, the guava insect prevention and buffering integrated bag comprises a bag body inner layer and a bag body outer layer, the bag body inner layer is a non-woven fabric layer, the bag body outer layer is a polyethylene layer, and the bottom end of the bag body inner layer is fixedly connected with the bottom end of the bag body outer layer. The adjacent insect prevention and buffering integrated bags are fixedly connected, and breakpoints are arranged at the connecting positions. Through ventilation holes are formed in the lower portion of the bag body inner layer and the lower portion of the bag body outer layer. A fruit stem opening is formed in the insect prevention and buffering integrated bag. The insect-preventing and buffering integrated bags are connected, the adjacent insect-preventing and buffering integrated bags can be easily torn off through the breakpoints, the bottoms of the insect-preventing and buffering integrated bags are fixed, the three side faces of each insect-preventing and buffering integrated bag are connected in a hot melting mode, and the bag bodies are provided with the fruit stem openings so that fruit stems can be matched with the bag bodies conveniently. Meanwhile, the ventilation hole is formed in the bottom of the bag body and can be used for exhaling and ventilating guava fruits, and the practicability and convenience are remarkably improved compared with the prior art.

The invention discloses a firming and anti-wrinkle composition as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The firming and anti-wrinkle composition provided by the invention is prepared from the following components in parts by mass: 0.0001 to 0.005 part of platinum powder, 0.0001 to 18 parts of palmitoyl pentapeptide-4, 0.0001 to 10 parts of carnosine, 0.0001 to 1 part of a brassica juncea extract and 0.0001 to 3 parts of a guava leaf extract. According to the firming and anti-wrinkle composition provided by the invention, the components in a specific mass part range are selected, and the components have good interaction, so that the firming and anti-wrinkle composition can be used for effectively firming skin, increasing skin elasticity and reducing skin wrinkles when being applied to cosmetics, and also has an excellent moisturizing effect and an excellent skin color brightening effect. Meanwhile, the preparation method of the firming and anti-wrinkle composition provided by the invention is simple to operate, wide in raw material source and beneficial to actual production.

The present invention relates to the combination of guava leaf extract, naringenin and an enzyme selected from lysozyme, labiase or a combination thereof for use in a dental or oral care product.

The present invention relates to a medicine-food homologous composition with anti-aging and whitening effects and its application. The composition includes raspberry extract, guava extract, rose extract and licorice extract. The composition utilizes the active ingredients of natural plants to achieve anti-aging effects by inhibiting the activities of collagenase and elastase and promoting the generation of collagen and elastin; prevents aging caused by skin glycation by inhibiting the activity of α-glucosidase and directly inhibiting the generation of AGEs; achieves whitening effects by scavenging DPPH free radicals, inhibiting the activity of tyrosinase and reducing melanin production; the composition is formulated in a specific ratio to achieve synergistic effects, and further improves the whitening and anti-glycation effects while anti-aging, improving skin problems from multiple dimensions. The four natural ingredients used in the composition are all derived from medicine-food homology, and the extraction process does not contain organic reagents, which is green, environmentally friendly, safe and reliable.

The invention aims to provide a new application of a guava leaf extract for indications, and particularly relates to a new application of the guava leaf extract for treating nervous system degenerative diseases, Parkinson's disease, anti-aging (used for medicines with beauty and health care effects), amyotrophic lateral sclerosis and metabolic diseases, and an effect of the guava leaf extract in brain nerve protection.

The application provides an eye-care composition solution for relieving visual fatigue and a preparation method and application thereof, and belongs to the technical field of eye-care products. The composition solution comprises the following raw materials in mass percentage: Psidium guajava fruit powder 0.4-4%; Aronia melanocarpa fruit powder 0.8-4%; dihydroquercetin 0.01-0.2%; ergothioneine 0.01-0.06%; and the balance is water. The application takes Psidium guajava fruit powder and Aronia melanocarpa fruit powder as the main body, and is supplemented by dihydroquercetin and ergothioneine for joint action, so that the antioxidant and anti-inflammatory capacity of the eye can be improved, and the tear secretion of dry eye mice can be increased. The composition of the application produces a synergistic effect between the plant extracts and the high-efficiency active ingredients through scientific proportioning, aims to simultaneously relieve visual fatigue and improve dry eye symptoms, and has high product development value.

The present invention relates to the field of crop genetic breeding, and in particular to a method for inducing guava hairy roots without tissue culture. The present invention uses pretreated guava seedlings as explants, uses Agrobacterium rhizogenes carrying a reporter gene and a target gene to infect the explants, and then transfers the infected explants to a culture matrix for cultivation, thereby successfully establishing a simple, low-cost and efficient genetic transformation system for obtaining transgenic materials. Compared with traditional guava genetic transformation methods, the induction method provided by the present invention does not require tissue culture, improves transformation efficiency, shortens the transformation cycle, and also reduces consumables and manpower consumption, thereby solving the problems of complex experimental operation, large-scale equipment and consumables, long cycle and low success rate in the original guava genetic transformation technology, and provides a convenient and efficient tool for the study of guava gene functions (especially root-specific expression of gene functions).

The present application belongs to the technical field of quality control of traditional Chinese medicine, and particularly relates to a quality control method of Ledum palustre L. The quality control method provided by the present application comprises the following processes: S1, identification: thin layer chromatography identification is respectively performed by taking ursolic acid, hyperoside, rutin, aesculetin and aesculin as the control; S2, inspection: the moisture content, total ash content, acid insoluble ash content and alcohol-soluble extract content of the medicinal material are determined; S3, content determination: the total content of volatile oil, three five-ring triterpenes (betulinic acid, oleanolic acid and ursolic acid) and two flavonoid glycosides (hyperoside and preussin) in the medicinal material is determined by using high performance liquid chromatography. The present application combines multi-index component analysis and thin layer chromatography identification, has strong specificity and good reproducibility, can comprehensively and effectively control the quality of Ledum palustre L., and ensures the medicinal effectiveness and safety of Ledum palustre L.

This invention discloses a plant-derived antibacterial compound agent, its preparation method, and its application in controlling guava anthracnose, belonging to the field of plant disease control technology. The plant-derived antibacterial compound agent of this invention comprises the following raw materials in parts by weight: 4-6 parts of rue extract, 2-3 parts of pomegranate peel extract, 2-4 parts of ginkgo extract, and 15-25 parts of a mixed plant-derived extract. The mixed plant-derived extract comprises the following raw materials in parts by weight: 10-12 parts of dandelion, 15-20 parts of potato leaves, 10-15 parts of lavender, 4-6 parts of sea buckthorn, 2-3 parts of jujube seed, and 20-25 parts of corn husk. The plant-derived antibacterial compound agent of this invention is prepared using natural plant raw materials, possessing advantages such as being pollution-free, having no adverse effects on the human body, and being safe. Furthermore, the plant-derived antibacterial compound agent of this invention has excellent control effects against guava anthracnose, and repeated application does not easily lead to drug resistance.