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89 results about "PSIDIUM GUAJAVA LEAF" patented technology

Roller hollow fiber reactor for plant cell high-density culturing and method for performing high-density culturing on psidium guajava leaf cells

The invention discloses a roller hollow fiber reactor for plant cell high-density culturing. The roller hollow fiber reactor comprises a roller, hollow fiber tubes, a culture liquid circulating pipe and driving devices for driving the roller to rotate, wherein the roller is not communicated with the outside; the hollow fiber tubes are fixedly arranged in the roller; at least one hollow fiber tubeis arranged; the culture liquid circulating pipe is communicated with the pipe cavity of the hollow fiber tube; the culture liquid circulating pipe is provided with a culture liquid circulating pump.Correspondingly, the invention also provides a method for performing culturing psidium guajava leaf cells by using the roller hollow fiber reactor. The device disclosed by the invention has the advantages of good mixing performance during cell culturing, low shearing force and energy conservation. In addition, according to the device disclosed by the invention, because the roller is rotated to drive a shell cavity to flow in a flowing body, the tight aggregation and condensation of cells can be greatly reduced and dissolved oxygen of the cells is improved, the mass transfer permeability of a film is improved, cell growth and metabolism are facilitated, and high-density cell culturing is facilitated.
Owner:CENT SOUTH UNIV

Chinese patent medicine for curing diabetes and preparation method thereof

The invention relates to Chinese patent medicine for treating diabetes mellitus and a preparation method thereof, which belongs to the technical field of Chinese patent medicine. The Chinese patent medicine is composed of the following Chinese traditional medicine materials in weight percentage: 30 to 50 portions of trichosanthin, 60 to 70 portions of schisandra chinensis, 50 to 60 portions of raw astragalus, 50 to 60 portions of polygonatum, 100 to 120 portions of plaster stone, 60 to 70 portions of ginseng, 30 to 40 portions of rehmanniae radix, steamed rehmannia, 70 to 80 portions of gegen, 20 to 30 portions of dried ginger, 30 to 30 portions of rhizome polygonatum, 30 to 40 portions of Chinese wolfberry root bark, 50 to 60 portions of gizzard membrane, 30 to 40 portions of loosestrife, 110 to 130 portions of folium pyrrosiae, 200 to 300 portions of balsam pear juice and 200 to 300 portions of guava leaf juice. The Chinese patent medicine is prepared through the processes of grinding, decocting, air drying, and the like. The compositions of the invention has the efficacies on nourishing liver and kidney, strengthening spleen and invigorating stomach, promoting fluid production extinguish thirst, lowering adverse qi for regulating stomach and decreasing sugar and lipid, and has favorable effect on the treatment of diabetes mellitus.
Owner:陈伙荣

Guava hypoglycemic active component, and preparation method and use thereof

The invention provides a guava hypoglycemic active component, and a preparation method and use thereof. The method comprises the following steps: crushing a raw material of guava leaves; carrying out reflux extraction by 8-10fold by volume of 50% ethanol; carrying out vacuum concentration below 60 DEG C; dispersing the obtained ethanol extract into water; fully extracting by adopting ethyl acetate after petroleum ether is extracted; carrying out vacuum concentration below 60 DEG C; filtering the obtained ethyl acetate extract by a 60-200mesh polyamide chromatographic column; eluting ethanol water from low to high in a gradient manner; collecting a component which is eluted by ethanol of which the concentration is 30-50%, continuing to filter by the 60-200mesh polyamide chromatographic column after vacuum concentration below 60 DEG C; carrying out isocratic elution by 30% ethanol after eluting by 10% ethanol; carrying out vacuum concentration on eluent below 60 DEG C, and recrystallizing by a 70% ethanol solvent, so as to obtain the hypoglycemic active component. The method disclosed by the invention is simple and convenient; chemical components of an effective part are clear in composition, and good in chemical stability. By adopting the guava hypoglycemic active component disclosed by the invention, alloxan-induced hyperglycemia can be significantly reduced, and the guava hypoglycemic active component can be applied to preparation of hypoglycemic medicaments or health-care products.
Owner:SOUTH CHINA AGRI UNIV

Plant bacteriostatic composition and mouthwash containing same, and preparation method for mouthwash

The invention belongs to the technical field of oral care products, and specifically relates to a plant bacteriostatic composition and mouthwash containing the same, and a preparation method for the mouthwash. The plant bacteriostatic composition is an essential oil composition composed of guava leaf essential oil, cinnamon essential oil and totarol. The mouthwash provided by the invention mainlycomprises the plant bacteriostatic composition, a sustained-release agent, a solubilizer and orally acceptable auxiliary materials. In the plant antibacterial composition provided by the invention, the antibacterial mechanisms and antibacterial spectrums of all the essential oil components are different, and the components generate a synergistic reaction through compounded combination of the essential oil, so the synergistic interaction effect is further achieved; the narrow spectrum of a single bacteriostatic component is favorably overcome; and the overall antibacterial capability is enhanced. The mouthwash disclosed by the invention can effectively inhibit the growth of common pathogenic bacteria in the oral cavity, has significant long-acting antibacterial effect, has the effects of inhibiting bacteria, diminishing inflammation, relieving swelling and aching of gum bleeding and removing bad breath, and is safe and non-irritating.
Owner:GUANGZHOU LIBY

Formula for preparing Qingtang capsules and method thereof

The invention discloses a formula for preparing Qingtang capsules and a method thereof. The formula provided by the invention comprises the following components: 50g of root of kudzu vine, 50g of balsam pear, 50g of corn silk, 25g of guava leaf, 20g of Tuber of Dwarf Lilyturf, 20g of sea-tangle, 15g of wolfberry, 10g of malt, 9g of rehmanniae radix, 6g of radix paeoniae rubrathe and 0.03g of melbine. The method for preparing the Qingtang capsules comprises the following steps: uniformly mixing a water extract of ten traditional Chinese medicines and a fine melbine powder to prepare granules and putting the granules into capsules. According to the invention, root of kudzu vine, balsam pear, corn silk, guava leaf, Tuber of Dwarf Lilyturf, sea-tangle, wolfberry, malt, rehmanniae radix, radix paeoniae rubrathe and melbine are adopted to prepare the Qingtang capsules. The mouthfeel of the Qingtang capsules is improved, and it is convenient for patients with diabetes to take. Effective medicines for reducing blood sugar, including root of kudzu vine, wolfberry, rehmanniae radix, balsam pear, guava leaf, radix paeoniae rubrathe, melbine and the like, are adopted; and a plurality of components are combined together. The formula has little side effect, has effects of nursing one's health, strengthening the body resistance and mildly reducing blood sugar, and is safe and effective. The method is simple and convenient to use. A convenient approach is provided for the treatment of diabetes.
Owner:SHANDONG PROVINCIAL HOSPITAL

Method for high-density culture of endophytic bacteria of psidium guajava leaves

The invention discloses a method for high-density culture of endophytic bacteria of psidium guajava leaves. The method comprises the following steps: (1) drying the psidium guajava leaves, processingthe dried psidium guajava leaves into powder, and conducting sterilizing processing, so as to obtain pre-processed psidium guajava leaf powder; (2) activating endophytic bacteria; (3) inoculating a solid medium containing the pre-processed psidium guajava leaf powder obtained in the step (1) with the activated endophytic bacteria, and implementing culture, so as to obtain a co-culture product; (4)inoculating endophytic bacterium seed liquid which is cultivated in a liquid medium with the co-culture product obtained in the step (3); and (5) adding the endophytic bacterium seed liquid and a liquid medium containing a phosphorus source to a fermentation tank, and implementing high-density culture, so that high-density psidium guajava leaf endophytic bacteria are obtained. According to the method provided by the invention, by conducting high-density culture of the endophytic bacteria in an environment of the psidium guajava leaves, a great amount of metabolic products having bio-activitycan be generated through metabolism; and the method has the advantages of being stable in product performance, low in cost, environment-friendly and the like.
Owner:CENT SOUTH UNIV

Diarrhoea prevention and treatment feed for beef cattle and production method thereof

The invention relates to a diarrhoea prevention and treatment feed for beef cattle and a preparation method thereof. The diarrhoea prevention and treatment feed comprises the following main raw materials in parts by weight: 10-15 parts of guava leaf, 5-10 parts of tea tree leaf, 10-15 parts of persimmon leaf, 5-10 parts of emilia sonchifolia, 10-20 parts of kudzuvine root leaf and 10-15 parts of atractylodes macrocephala. The preparation method comprises the following steps: respectively crushing the guava leaf, the tea tree leaf, the persimmon leaf, the emilia sonchifolia, the kudzuvine root leaf and the atractylodes macrocephala, mixing at proportion, and then mixing the mixture with a cattle feed, wherein the addition amount is 1-3% of the total weight of the feed, and the obtained feed is used for feeding beef cattle. The diarrhoea prevention and treatment feed has the effects of astringing to arrest diarrhea, sterilizing to diminish inflammation, removing pattogenic heat from the blood and toxic material from the body, invigorating spleen and supplementing Qi and improving the immunity of beef cattle, can effectively prevent and cure diarrhoea of beef cattle, and is short in treatment course, high in efficiency, low in probability of recurrence, wide in raw material source, low in cost and simple in production.
Owner:广西武宣金泰丰农业科技发展有限公司

Preparation of aroma-enhancing and harm-reducing low-temperature fraction and application of aroma-enhancing and harm-reducing low-temperature fraction in cigarette heating

The invention belongs to the technical field of cigarette heating, and particularly relates to preparation of aroma-enhancing and harm-reducing low-temperature fractions and application of the aroma-enhancing and harm-reducing low-temperature fractions in cigarette heating. The preparation method comprises the following steps: carrying out reflux extraction on a mixed raw material of Turkey aromatic tobacco leaves and guava leaves by using ethyl acetate so as to obtain a primary extract, wherein the using amount of the ethyl acetate is 10-30 times of the mass of the raw material, the extraction time is 1-3 hours, and the extraction frequency is 2-5 times; fully dissolving the primary extract with 2-5 mass times of ethyl acetate under the heating condition at the temperature of 65-75 DEG C, uniformly stirring, freezing for 10-18 hours at the temperature of-5 to-15 DEG C, and performing suction filtration to obtain filtrate; and extracting acidic components from the filtrate to serve as low-temperature fractions. The low-temperature fractions with aroma enhancement and harm reduction functions are obtained from natural raw materials through reflux extraction and acid-base separation, and when the low-temperature fractions are applied to heated cigarettes, the aroma can be rounded, the aroma can be modified, the smoking flavor can be improved, a product is endowed with a characteristic aroma style, and meanwhile, harmful ingredients such as polycyclic aromatic hydrocarbon and free radicals in smoke of the heated cigarettes can be effectively reduced.
Owner:CHINA TOBACCO YUNNAN IND

Chinese medicinal composition and method for preparing Chinese medicinal composition

InactiveCN102895604AEasy to processPrevention and treatment of white stool syndromeDigestive systemPlant ingredientsPSIDIUM GUAJAVA LEAFMIMOSA PUDICA LEAF
The invention relates to a Chinese medicinal composition and a method for preparing the Chinese medicinal composition. The Chinese medicinal composition consists of the following components by weight: 10-30 parts of guava leaf, 10-30 parts of rhizoma curcumae longae, 10-20 parts of mimosa pudica, 10-30 parts of garlic and 10-20 parts of portulaca oleracea, wherein the components are obtained from traditional Chinese medicinal materials or traditional Chinese medicinal extracts which are equivalent to the amount of the traditional Chinese medicinal materials. The method for preparing the Chinese medicinal composition comprises the following steps: preparing guava leaf, rhizoma curcumae longae, mimosa pudica, garlic and portulaca oleracea proportionally according to the formula, washing and drying, carrying out superfine grinding separately, sieving by using a 200 meshes seive and uniformly mixing so as to obtain the Chinese medicinal composition. The Chinese medicinal composition has the effects of clearing heat, detoxifying, eliminating dampness and checking diarrhea. The Chinese medicinal composition has rich plant resources, is low in cost, is convenient to process, does not have drug residue after long-term use or water pollution, and is safe and efficient.
Owner:JIANGXI CHUANGDAO ANIMAL HEALTH PROD

Composition for saccharifying and preventing aging and preparation method thereof

InactiveCN110663955APlay the role of "subtraction"Play the role of \"subtraction\", fromFood shapingBiotechnologyPSIDIUM GUAJAVA LEAF
The invention discloses a composition for saccharifying and preventing aging and a preparation method thereof. The composition is prepared from the following raw materials in parts by weight: 10-20 parts of lonicera japonica, 2-9 parts of guava leaves, 8-15 parts of radix polygonati officinalis, 3.5-14 parts of mulberry leaves, 7-20 parts of acerola cherry fruit, 12-47 parts of antioxidant substances, 2-9 parts of anti-saccharification substances and 7.76-32.5 parts of a nutritional supplement. The preparation method of the composition for saccharifying and preventing aging comprises the stepsthat a, the lonicera japonica, the guava leaves, the radix polygonati officinalis, the mulberry leaves and the acerola cherry fruit are taken as a product A; b, the product A, water and flavor enzymeare boiled out to obtain a filter residue product B1 and a filter liquor product B2; c, the product B1 is subjected to acetone extraction to obtain a product C; d, the product B2, the product C, theantioxidant substances, the anti-saccharification substances and neutral protease are subjected to homogenization treatment to obtain a product D; e, the nutritional supplement and the product D are mixed and concentrated to obtain a product E; and f, the product E is sterilized, dried and pelletized to obtain a finished product. The composition for saccharifying and preventing aging and the preparation method thereof have the characteristics of an obvious effect and high extraction efficiency of effective components.
Owner:明安旭(上海)健康科技有限公司

Traditional Chinese medicine preparation capable of effectively treating porcine diarrhea and preparation process thereof

The invention discloses a traditional Chinese medicine preparation capable of effectively treating porcine diarrhea. The traditional Chinese medicine preparation disclosed by the invention is composed of the following raw materials in parts by weight: 10-20 parts of honeysuckle, 10-30 parts of polygonum chinense, 15-30 parts of psidium guajave leaves, 10-15 parts of black soya beans and 10-20 parts of common bombax flower. The traditional Chinese medicine preparation exerts great effects of clearing heat and removing toxicity, dehumidifying, astringing to arrest diarrhea, resisting bacteria and diminishing inflammation, and enhancing body immunity after compatibility, and are used for treating the diarrhea of various day-age pigs, the active ingredients are extracted by a traditional Chinese medicine active ingredient extraction technology and an appropriate amount of adjuvants is added to prepare the traditional Chinese medicine powder for treating the diarrhea of various day-age pigs. Clinical test results indicate that the effective rate of treating porcine diarrhea, of the traditional Chinese medicine formula achieves more than 90%, thus the use rate of antibiotics is reduced, and the traditional Chinese medicine formula is safe and non-toxic, free from side effects, and capable of greatly reducing treatment cost while improving the immunity of the whole pig group.
Owner:FUJIAN AONONG BIOLOGICAL TECH GRP CO LTD

Method for preparing guaijaverin and avicularin from guava leaf and use of method

The invention provides a method for simultaneously preparing guaijaverin and avicularin from guava leaf and use of the method. The method provided by the invention comprises the following steps: crushing guava leaf as the raw material, extracting by using 5-10 times of 30-90% lower alcohol in volume for 2-3 times, each time for 2-3 h, mixing an extracting solution, concentrating in vacuum, and recycling a solvent to obtain an extract; dissolving the extract by adding water, sufficiently extracting by using ethyl acetate, mixing ethyl acetate extraction liquid, and concentrating in vacuum to obtain an ethyl acetate extract; carrying out silica gel column chromatography separation by using the ethyl acetate extract, carrying out gradient elute by using eluents, namely petroleum ether and ethyl acetate, concentrating eluents in vacuum with the volume ratio of petroleum ether to ethyl acetate of 60:40 or 40:60; and adding the concentrated solution into lower alcohol, concentrating and crystallizing in vacuum, filtering, and drying to obtain guaijaverin and avicularin. The method disclosed by the invention is simple and convenient; and guaijaverin and avicularin disclosed by the invention are capable of obviously reducing hyperglycemia induced by streptozotocin and can be used for preparing medicines or health-care products for reducing blood glucose.
Owner:SOUTH CHINA AGRI UNIV
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