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Method for extracting flavones from Castanopsis sclerophylla fruits

A kind of technology of fruit and bitter mangosteen, which is applied in the direction of medical formula, medical preparations containing active ingredients, anti-toxins, etc., can solve the problems of low extraction efficiency and time-consuming, so as to improve the extraction rate, shorten the extraction time, and accelerate the rural economy. The effect of development

Active Publication Date: 2018-12-04
WUHU INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing extraction of the fruit of the bitter mangosteen generally adopts the extraction method, but there are generally defects of low extraction efficiency and time-consuming

Method used

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  • Method for extracting flavones from Castanopsis sclerophylla fruits
  • Method for extracting flavones from Castanopsis sclerophylla fruits
  • Method for extracting flavones from Castanopsis sclerophylla fruits

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Under the condition that the temperature of the environment is 25°C, take 1g of the fruit powder (average particle size is 90 mesh), add 60% by weight of ethanol aqueous solution (the ratio of solid to liquid is 1:25g / ml), and put it in the ultrasonic cleaner (The frequency of ultrasonic wave is 20KHz) for 30min, centrifuged at 4000rpm for 15min to get the supernatant.

Embodiment 2

[0027] According to the method of Example 1, the difference is that the ratio of solid to liquid is 1:20g / ml.

Embodiment 3

[0029] According to the method of Example 1, the difference is that the ratio of solid to liquid is 1:30g / ml.

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Abstract

The invention discloses a method for extracting flavones from Castanopsis sclerophylla fruits. The method comprises the following steps: ultrasonically extracting Castanopsis sclerophylla fruit powderin an ethanol solution, centrifuging the obtained solution, and taking the obtained supernatant, wherein a use amount of the Castanopsis sclerophylla fruit powder to the ethanol solution, which is asolid-liquid ratio, is 1 g: (20-40) mL, the ultrasonic extraction time is 20-40 min, and the concentration of the ethanol solution is 40-80 wt%. The method can efficiently and rapidly extract flavonesfrom the Castanopsis sclerophylla fruit powder.

Description

technical field [0001] The invention relates to the extraction of flavonoids, in particular to a method for extracting flavonoids from the fruit of Castanopsis chinensis. Background technique [0002] Castanopsis chinensis is abundant in southern Anhui and Dabie Mountains in our province. As a wild arbor tree species growing in mountainous areas, our province's mountainous resources are extremely rich and it is an important natural resource. Flavonoids are a strong antioxidant, which can effectively remove oxygen free radicals in the body; flavonoids can improve blood circulation, lower cholesterol, etc., and there are abundant flavonoids in the fruit. Existing extracts of the fruits of Castanopsis chinensis generally adopt the extraction method, but generally have the defects of low extraction efficiency and time-consuming. Contents of the invention [0003] The purpose of the present invention is to provide a method for extracting flavonoids from the fruit of Castanopsi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/49A61P39/06A61P7/00A61P3/06A61K131/00
CPCA61K36/49A61K2236/333A61K2236/53A61P3/06A61P7/00A61P39/06
Inventor 张爽季慕寅邵文祥吕佳莉黄闻宇
Owner WUHU INST OF TECH
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