Application of chrysanthemum extract
A kind of chrysanthemum extract and chrysanthemum technology, applied in the fields of application, medical preparations containing active ingredients, food science, etc., can solve the problems that there are no research reports on chrysanthemum and its extract
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Embodiment 1
[0014] In order to further understand the present invention, the present invention will be described in detail below in conjunction with examples. Embodiment 1: the preparation of chrysanthemum extract
[0015] Chrysanthemum medicinal material 2kg, reflux extraction with 70% ethanol for 2 times, 1.5 hours each time, combine the extracts, concentrate under reduced pressure to 0.5L, add water to 2L, filter, put the filtrate on the treated AB-8 resin column, Gradient elution was carried out with water, 10% ethanol, and 70% ethanol respectively with 3 BV, and the 70% ethanol eluate was collected, concentrated under reduced pressure, and dried to obtain 68.4 g of chrysanthemum extract, with a yield of 3.42%.
[0016] Determination of index components in chrysanthemum extract by HPLC: Luteolin, chlorogenic acid, and 3,5-O-dicaffeoylquinic acid were used as reference substances, and the determination was carried out with reference to the method under the chrysanthemum item in Part 1 ...
Embodiment 2
[0017] Example 2: Effects of chrysanthemum extract on various indicators in mouse blood and liver tissue
[0018] 1. Tested drug: the chrysanthemum extract prepared in Example 1, before use, was formulated with 0.5% sodium carboxymethyl cellulose solution to a concentration of 0.375%, 0.75% and 1.5% respectively; comparison test preparation Lipin (not Nobel Capsules), produced by Liboforni Pharmaceutical Co., Ltd. in France, when used immediately, use 0.5% carboxymethylcellulose sodium solution to prepare 0.2% drug concentration respectively.
[0019] 2. Experimental animals: Kunming mice, male, weighing 22-24 grams, supplied by Shanghai Slack Experimental Animal Co., Ltd., clean grade, experimental animal production license number: SCXK (Shanghai) 2007-0005, used as experimental animals License: SYXK (SU) 2007-0035.
[0020] 3. Test method: Divide mice into 6 groups at random, which are normal control group, fatty liver model group, low-dose chrysanthemum extract group (75mg...
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