Application of rose odorata var gigantea fruit extract in preparation of medicine, health care product or food for preventing and treating stomach diseases
A technology for the fruit and extract of the fruit of the fruit, applied in the preparation of drugs for the prevention and/or treatment of gastric diseases, the fruit extract of the fruit of the fruit, the health care product or the food field, which can solve the problem that the fruit extract of the fruit of the fruit has not been seen effectiveness research and other issues
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Embodiment 1
[0029] Embodiment 1 tannin content determination
[0030]Instrument: Shimadzu 1601 spectrophotometer; HZQ-QX electric oscillator (Donglian Electronic Technology Development Co., Ltd.)
[0031] Standards and reagents: gallic acid reference substance (content 98%); casein (chemically pure); sodium carbonate; sodium tungstate; sodium molybdate; lithium sulfate (the above reagents are of analytical grade).
[0032] Preparation of phosphomolybdenum tungstic acid reagent: Take 100g of sodium tungstate, 25g of sodium molybdate, add 700mL of water to dissolve, add 100mL of hydrochloric acid, 50mL of phosphoric acid, heat to reflux for 10h, let cool, add 150g of lithium sulfate, 50mL of water and 0.2mL of bromine , boil to remove residual bromine (about 15min), cool, add water to dilute to 1000mL, filter, that is.
[0033] Drawing of standard curve of casein method:
[0034] Preparation of reference solution
[0035] Accurately weigh 0.050g of gallic acid standard substance, place i...
Embodiment 2
[0043] The determination of total triterpene content of embodiment 2
[0044] Test materials: Anhydrous ethanol, 95% ethanol, glacial acetic acid, perchloric acid, vanillin, concentrated sulfuric acid, etc. are all analytical reagents; ursolic acid standard reference substance (China Institute for the Control of Pharmaceutical and Biological Products); UV-1601 UV-visible Spectrophotometer (Shimadzu Corporation, Japan).
[0045] Test methods: (1) Determination of the optimal detection wavelength of the ursolic acid reference substance and drawing of the standard curve.
[0046] Accurately weigh 4.0 mg of ursolic acid reference substance that has been baked to constant weight, add absolute ethanol to dissolve it, and dilute to 50 mL, with a mass concentration of 0.08 mg / mL. Take a certain amount of ursolic acid reference solution in a 10mL test tube, add 0.2ml of newly prepared vanillin-5% glacial acetic acid and 0.8ml of perchloric acid, heat in a water bath at 60°C for 15min,...
Embodiment 3
[0050] The preparation of embodiment 3 Gugongguo fruit extract
[0051] Take 500g of Gugongguo fruit as raw material, add it into 50% ethanol aqueous solution with a mass ratio of 1:6, reflux extraction for 1 hour, extract 3 times, and pass through a 80-120 mesh sieve to obtain the extract; collect the extract, Concentrate under reduced pressure at a temperature of 60° C. and a vacuum of 0.06 to 0.08 MPa to obtain a concentrate with a sugar content of 10, which is then dried to obtain the fruit extract of Gugongguo with an extraction rate of 13.5%. Wherein the tannin content is 34%, and the total triterpene content is 10.4%.
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