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Making method of compound raw tea of gingko and Adinandra nitida Merr.ex H.L.Li

The technology of Shiya tea and Ginkgo biloba is applied in the field of preparation of compound original tea, which can solve the problems such as target limitation, inability to effectively prevent and treat diabetic complications, etc., and achieve the effect of good hypoglycemic effect.

Inactive Publication Date: 2016-03-23
桂林双象生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the prior art discloses that Shiya tea can be used alone to treat diabetes, its targets are relatively limited and cannot effectively prevent the occurrence of diabetic complications

Method used

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  • Making method of compound raw tea of gingko and Adinandra nitida Merr.ex H.L.Li
  • Making method of compound raw tea of gingko and Adinandra nitida Merr.ex H.L.Li
  • Making method of compound raw tea of gingko and Adinandra nitida Merr.ex H.L.Li

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Ginkgo leaves and Shiya tea are mixed and pulverized at a weight ratio of 1:1, and 60v% ethanol is added. The amount of ethanol added is 4 times the total weight of Ginkgo and Shiya tea. Extract for 1 hour, concentrate the extract to 1 / 2 of the original volume, add ethyl acetate twice the volume of the concentrate for precipitation, filter with suction, and freeze-dry the precipitate to obtain the composite original tea.

Embodiment 2

[0020] Ginkgo leaves and Shiya tea are mixed and pulverized at a weight ratio of 1:10, and 75v% ethanol is added. The amount of ethanol added is 10 times the total weight of Ginkgo leaves and Shiya tea. Extract 3 times, 2 hours each time, combine the extracts, concentrate to 1 / 5 of the original volume, add ethyl acetate 3 times the volume of the concentrate to precipitate, filter with suction, take the precipitate and freeze-dry, which is the composite original tea Original tea.

Embodiment 3

[0022] Ginkgo leaves and Shiya tea are mixed and pulverized at a weight ratio of 5:1, and 70v% ethanol is added. The amount of ethanol added is 6 times the total weight of Ginkgo leaves and Shiya tea. Extract twice, each time for 1.5 hours, combine the extracts, concentrate to 1 / 3 of the original volume, add ethyl acetate 2.5 times the volume of the concentrate to precipitate, filter with suction, take the precipitate and freeze-dry it, which is the compound original Tea original tea.

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Abstract

The invention discloses a making method of compound raw tea of gingko and Adinandra nitida Merr.ex H.L.Li. The compound raw tea is made by mixing gingko with Adinandra nitida Merr.ex H.L.Li according to the weight ratio of (1-5):(1-10), adding 60-70 v% of ethyl alcohol, conducting extraction under the ultrasonic conditions, extracting concentrate, adding ethyl acetate for sedimentation and suction filtration and then cooling and drying sediment. The made compound raw tea has a synergistic effect on the aspect of diabetes blood glucose reduction and has a certain protection effect on improving diabetic complications including dyslipidemia and kidney injuries.

Description

technical field [0001] The invention relates to a preparation method of compound raw tea, in particular to a preparation method of compound raw tea of ​​ginkgo and Shiya tea. Background technique [0002] Shiya tea (AdinandranitidaMerr.exH.L.Li), also known as the dry leaves of Yangtong, is rich in flavonoids and phenolic substances, and has various biological activities such as antioxidant, antibacterial, and antitumor. "Study on the Antioxidant Activity of Populus glabrata" (published in May 2013, a master's thesis of Southwest University, Zhang Jingyi) disclosed that the ethanol extract of Shiya tea was extracted with petroleum ether, ethyl acetate, and n-butanol in sequence. Afterwards, petroleum ether extract, ethyl acetate extract, and n-butanol extract were obtained after vacuum concentration and drying respectively. After testing, the content of flavonoids and polyphenols in the ethyl acetate extract was the highest. According to the principle of similar compatibili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/82A61P3/10A61P3/06A61P13/12A61P3/00A23F3/14
CPCA23F3/14A61K36/16A61K36/82A61K2236/333A61K2236/51A61K2236/53A61K2300/00
Inventor 程忠泉徐宝敏温宇吴丽文孙显屏杨丹
Owner 桂林双象生物科技有限公司
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