Mussaenda pubescens extractive and preparation and application in treating enteritis thereof
A technology of jasmine leaves and extracts is applied in the directions of drug combinations, plant raw materials, medical preparations containing active ingredients, etc., to achieve the effects of short course of treatment, good therapeutic effect and remarkable effect.
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Embodiment 1
[0027] The preparation of embodiment 1 Jade leaf golden flower extract
[0028] Follow the steps below:
[0029] (1) Dried Jade Leaf Golden Flower, pulverizing, crossing a 60-mesh sieve to obtain Jade Leaf Golden Flower powder;
[0030] (2) According to the ratio of Yuye Jinhua powder and isopropanol aqueous solution at a ratio of 1:20, reflux extraction at the azeotropic point of 88-92°C for 30 minutes, filter, concentrate under reduced pressure, and collect fractions;
[0031] (3) Add pure water to the distillate in step (2) according to the volume ratio of 1:10, soak at 35°C for 30 minutes, and then use ethyl acetate-butyl acetate microwave extraction for 3 times, the extraction conditions are microwave frequency 2000MHz, microwave The power is 400W, the extraction time is 5min, the liquid is separated, the organic phase is collected, and the ethyl acetate-butyl acetate solvent is removed by rotary evaporation under reduced pressure to obtain the extract of Jade Leaf Golde...
Embodiment 2
[0032] The preparation of embodiment 2 Jade leaf golden flower extract
[0033] Follow the steps below:
[0034] (1) Dried Jade Leaf Golden Flower, pulverizing, crossing an 80-mesh sieve to obtain Jade Leaf Golden Flower powder;
[0035] (2) According to the ratio of Yuye Jinhua powder and isopropanol aqueous solution of 1:30, reflux extraction at the azeotropic point of 88-92°C for 100 minutes, filter, concentrate under reduced pressure, and collect fractions;
[0036] (3) Add pure water to the distillate in step (2) according to the volume ratio of 1:20, warm soak at 37°C for 60 minutes, and then use ethyl acetate-butyl acetate microwave extraction for 3 times, the extraction conditions are microwave frequency 2370MHz, microwave The power is 500W, the extraction time is 7min, the liquid is separated, the organic phase is collected, the ethyl acetate-butyl acetate solvent is removed by rotary evaporation under reduced pressure, and the extract of Jade Leaf Golden Flower is o...
Embodiment 3
[0037] The preparation of embodiment 3 Jade leaf golden flower extract
[0038] Follow the steps below:
[0039] (1) Dried Jade Leaf Golden Flower, pulverizing, crossing a 100-mesh sieve to obtain Jade Leaf Golden Flower powder;
[0040] (2) According to the ratio of Yuyejinhua powder and isopropanol aqueous solution at a ratio of 1:50, reflux extraction at the azeotropic point of 88-92°C for 180 minutes, filter, concentrate under reduced pressure, and collect fractions;
[0041] (3) Add pure water to the distillate in step (2) according to the volume ratio of 1:30, soak at 40°C for 90 minutes, and then use ethyl acetate-butyl acetate microwave extraction for 3 times, the extraction conditions are microwave frequency 2700MHz, microwave The power is 600W, the extraction time is 10min, the liquid is separated, the organic phase is collected, and the ethyl acetate-butyl acetate solvent is removed by rotary evaporation under reduced pressure to obtain the extract of Jade Leaf Gol...
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