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Production method of extracting bamboo flavanone from bamboo leaf

A technology of bamboo leaf flavonoids and production methods, which is applied in the field of extraction technology of plant active ingredients, can solve the problems of excessive heavy metals and inability to remove heavy metal impurities, so as to improve the comprehensive utilization rate, improve the equipment utilization rate, and increase the income of bamboo farmers Effect

Inactive Publication Date: 2007-02-07
胡林福
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The functional factors contained in bamboo leaves are mainly flavonoid glycosides. A large number of scientific researches and experiments have proved that: bamboo leaf flavonoids have excellent anti-free radical, anti-oxidation and anti-aging activities, can significantly enhance the body's immune function, and regulate lipid metabolism. , protect cardiovascular and cerebrovascular, anti-fatigue, anti-bacterial, anti-virus, skin care, whitening, and does not contain any harmful ingredients and anti-nutritional factors. It is a very ideal new resource of natural bioflavonoids. The published application number is 98104564.2 Chinese Invention Patent Application---Production method for extracting flavonoids extract or powder from bamboo leaves Provides a method for producing bamboo leaf flavonoids, which uses a large amount of ethanol in the extraction, and some heavy metal impurities cannot be removed from the extract , unable to solve the problem of excessive heavy metals in plant extracts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. Pretreatment of raw materials: collect fresh bamboo leaves, wash and dry them for later use;

[0022] 2 Boiling extraction: Take 200KG of pretreated bamboo and put it into a multi-functional extraction tank, add 1800KG of water, heat to 90°C for 1 hour, remove the residue, and use the solution for later use;

[0023] 3 Concentrate the above solution into an extract, the concentration temperature is 55°C, and the weight of the extract after concentration is 30% of the weight of bamboo leaves;

[0024] 4. The above extract is further purified by n-butanol liquid-liquid extraction. The extractant is n-butanol, and the ratio of the water phase to the organic phase is 1:2. Stir for about 1 hour, mix well, and after standing still for 4 hours, separate the extract , the residue extracted for the first time was re-added with n-butanol and stirred for extraction, and after stirring for 4 hours, the extract was separated, and the two extracts were combined for later use, and ...

Embodiment 2

[0028] 1. Pretreatment of raw materials: collect fresh bamboo leaves, wash and dry them for later use;

[0029] 2 Boiling extraction: Take 300KG of pretreated bamboo leaves and put them into a multifunctional extraction tank, add 2000KG of water, heat to 98°C for 0.5 hours, remove the residue, and use the solution for later use;

[0030] 3 Concentrate the above solution into an extract, the concentration temperature is 70°C, and the weight of the extract after concentration is 25% of the weight of bamboo leaves;

[0031] 4. The above extract is further purified by n-butanol liquid-liquid extraction. The extractant is n-butanol, and the ratio of the water phase to the organic phase is 1:3. Stir for about 40 minutes, mix well, and after standing still for 4 hours, separate the extract , the residue extracted for the first time was re-added with n-butanol and stirred for extraction, and after stirring for 4 hours, the extract was separated, and the two extracts were combined for ...

Embodiment 3

[0035] 1. Pretreatment of raw materials: collect fresh bamboo leaves, wash and dry them for later use;

[0036] 2 Boiling extraction: Take 20KG of pretreated bamboo leaves and put them into a multi-functional extraction tank, add 200KG of water, heat to 85°C for 1 hour, remove the residue, and use the solution for later use;

[0037] 3 Concentrate the above solution into an extract, the concentration temperature is 80°C, and the weight of the extract after concentration is 35% of the weight of bamboo leaves;

[0038] 4. The above extract is further purified by n-butanol liquid-liquid extraction. The extractant is n-butanol, and the ratio of the water phase to the organic phase is 1:4. Stir for about 1 hour, mix well, and after standing still for 4 hours, separate the extract , the residue extracted for the first time was re-added with n-butanol and stirred for extraction, and after stirring for 4 hours, the extract was separated, and the two extracts were combined for later us...

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Abstract

The invention discloses a flavone extracting technology of plant effective component based on discarded bamboo, which comprises the following steps: predisposing bamboo leaf; extracting through heating in the water; condensing; extracting through positive butanol liquid; recycling solvent; removing metal through flocculation; spraying; drying.

Description

technical field [0001] The invention relates to an extraction process of plant active components, in particular to a method for producing bamboo leaf flavonoids by using bamboo leaves discarded during the process of felling bamboo by farmers as raw materials. Background technique [0002] Bamboo leaf has a long history of edible and medicinal use in my country. It is a famous heat-clearing and detoxifying drug in traditional Chinese medicine, and it is also the third batch of natural plants that are both food and medicine promulgated in my country (1998). The functional factors contained in bamboo leaves are mainly flavonoid glycosides. A large number of scientific researches and experiments have proved that bamboo leaf flavonoids have excellent anti-free radical, anti-oxidation and anti-aging activities, which can significantly enhance the body's immune function and regulate lipid metabolism. , protect cardiovascular and cerebrovascular, anti-fatig...

Claims

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Application Information

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IPC IPC(8): C07H17/04
Inventor 胡林福陈永健
Owner 胡林福
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