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Making method of gynostemma pentaphyllum and shiya tea compounded crude tea

The technology of Shiya tea and Gynostemma japonica is applied in the field of preparation of the compound original tea of ​​Gynostemma japonica and Shiya tea, which can solve the problems of 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

[0004] Although the prior art discloses that both Shiya tea and Gynostemma pentaphyllum can be used alone to treat diabetes, their targets are relatively limited, and the occurrence of diabetic complications cannot be effectively prevented.

Method used

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  • Making method of gynostemma pentaphyllum and shiya tea compounded crude tea
  • Making method of gynostemma pentaphyllum and shiya tea compounded crude tea

Examples

Experimental program
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Effect test

Embodiment 1

[0014] Mix Gynostemma pentaphyllum and Shiya tea according to the weight ratio of 1:1, crush, add 60v% ethanol, the amount of ethanol added is 4 times of the total weight of Gynostemma pentaphyllum and Shiya tea, under ultrasonic conditions with a temperature of 40°C and a frequency of 250Hz Extract at low temperature 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, which is the composite original tea.

Embodiment 2

[0020] Mix Gynostemma pentaphyllum and Shiya tea according to the weight ratio of 1:10, crush, add 75v% ethanol, the amount of ethanol added is 10 times of the total weight of Gynostemma pentaphyllum and Shiya tea, under ultrasonic conditions with a temperature of 50°C and a frequency of 400Hz 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] Mix Gynostemma pentaphyllum and Shiya tea in a weight ratio of 2:1, crush, add 70v% ethanol, the amount of ethanol added is 6 times of the total weight of Gynostemma pentaphyllum and Shiya tea, under ultrasonic conditions with a temperature of 45°C and a frequency of 300Hz 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 preparation method of gynostemma pentaphyllum and shiya tea compounded crude tea. Gynostemma pentaphyllum and shiya tea are mixed according to the weight ratio of 1-2 to 1-10, 60-75 v% of ethyl alcohol is added, extraction is conducted under the condition of ultrasonic waves, an extracting solution is concentrated, ethyl acetate is added for sedimentation and suction filtration, sediment is taken for freezing and drying, and the compounded crude tea is obtained. The made compounded crude tea has a synergistic effect on the aspect of reduction of blood sugar of diabetes, and a certain protective effect on improving diabetic complication dyslipidemia and kidney injuries is achieved.

Description

technical field [0001] The invention relates to a preparation method of composite raw tea, in particular to a preparation method of composite raw tea of ​​Gynostemma pentaphyllum 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 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/82A61P3/10A61P3/00A61P13/12
CPCA61K36/424A61K36/82A61K2236/333A61K2236/51A61K2236/53A61K2300/00
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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