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Golden camellia leaf extract and application thereof

A golden flower tea and extract technology, which is applied in application, food science, drug combination and other directions, can solve the problems of few publications, etc., and achieve the effects of wide application range, simple and easy preparation method, and significant hypoglycemic effect.

Inactive Publication Date: 2015-01-14
FANGCHENGGANG WANJING FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few publications about camellia japonica, especially its leaves used to lower blood sugar or treat diabetes-related diseases, and the research on the function of camellia japonica plant leaves to regulate blood sugar is still in the exploratory stage

Method used

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  • Golden camellia leaf extract and application thereof
  • Golden camellia leaf extract and application thereof
  • Golden camellia leaf extract and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The extract of Camellia japonica leaves is prepared by adding water to the leaves of Camellia japonica and then filtering, and the filter residue is also extracted by adding water three times, then filtering, combining the obtained filtrates, and drying under reduced pressure at 60°C to obtain the extract. The process of adding water to extract plant leaves and filter residues is as follows: add 20 times the weight of water each time, heat to boiling, then stop fire, heat soak for 100 minutes, heat again to boil, then stop fire, and heat soak for 100 minutes. The plant leaves are dry leaves, which are soaked in water for 120 minutes before being heated to boiling when adding water to extract. After inspection, the mass percentage of tea polyphenols, the signature component of the extract, is 15.5%. With the extract as an active ingredient, hard capsules are prepared according to conventional techniques in the art.

Embodiment 2

[0021] The extract of Camellia japonica leaves is prepared by adding water to the plant leaves of Camellia japonica and then filtering, and the filter residue is also extracted by adding water once and then filtered, and the obtained filtrates are combined and dried under reduced pressure at 60°C to obtain the extract. The process of adding water to extract plant leaves and filter residues is as follows: adding 30 times the weight of water each time, heating to boiling, then stopping the fire, soaking for 10 minutes, heating again to boiling, then stopping the fire, and soaking for 60 minutes. The plant leaves are dry leaves, which are soaked in water for 600 minutes before being heated to boiling when adding water for extraction. After inspection, the mass percentage of tea polyphenols, the signature component of the extract, is 4.1%. The extract is used as an active ingredient to prepare granules according to conventional techniques in the art.

Embodiment 3

[0023] The extract of Camellia japonica leaves is prepared by adding water to extract leaves of Camellia japonica, filtering the residue after adding water three times, combining the obtained filtrates, and drying under reduced pressure at a temperature of 80°C to obtain the extract. The process of adding water to extract plant leaves and filter residues is as follows: add 5 times the weight of water each time, heat to boiling, then stop fire, heat soak for 120 minutes, heat again to boil, then stop fire, and heat soak for 180 minutes. Plant leaves are dry leaves, which are soaked in water for 10 minutes before being heated to boiling when adding water to extract. After inspection, the mass percentage of tea polyphenols, the signature component of the extract, is 11.2%. Using the extract as an active ingredient, it is prepared into tablets according to conventional techniques in the art.

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Abstract

The invention discloses a golden camellia leaf extract and application thereof. The extract comes from plant leaves of golden camellia, and the iconic component tea polyphenol of the extract accounts for 3.5-20 mass percent. The preparation method comprises the following steps: adding water into the plant leaves of golden camellia, extracting, filtering, adding water into the filter residue for extracting for 1-5 times, filtering, merging the obtained filtrate, and drying under reduced pressure, thereby obtaining a product, wherein the step of adding water into the plant leaves and the filter residue for extracting comprises the following sub-steps: adding water in an amount of 5-30 times that of the weight of the material, heating, closing the fire after the solution is boiling, performing hot dipping for 10-180 minutes, heating and closing the fire after the solution is boiling, and performing hot dipping for 1-180 minutes. The extract mainly refers to a polyphenol extract of golden camellia leaves, and the preparation method is simple and feasible and is suitable for industrial production; and moreover, the polyphenol extract of golden camellia leaves is obvious in effect of reducing blood sugar, can be used for preparing medicines, foods and health products for reducing blood sugar or preparing medicines for treating related diseases caused by abnormal glucose tolerance, insulin resistance, metabolic syndrome and primary hyperglycemia and is wide in application range.

Description

technical field [0001] The invention relates to a plant extract and its use, in particular to a golden camellia tea leaf extract and its use. Background technique [0002] At present, the prevention of diabetes is mainly based on life intervention methods, and the intervention methods and effects are not clear. There are many drugs for the treatment of diabetes, but since most diabetic patients need to take drugs for life, the treatment costs are expensive, and there are many adverse drug reactions. The emergence of insulin resistance and insulin resistance seriously reduces the efficacy of the drug. Therefore, it is necessary to find cheaper and more effective therapeutic drugs to solve the diabetes problem. In recent years, the intervention function of natural products and plant extracts on diabetes has been widely recognized, and more and more attention has been paid to finding low-toxic and effective means of preventing and treating diabetes from natural plants, especia...

Claims

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Application Information

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IPC IPC(8): A61K36/82A23L1/29A61P3/10A61P5/50A23L33/00
CPCA61K36/82A23V2002/00A23V2200/328A23V2250/2132
Inventor 王志萍王勤夏星尨彦宁张健
Owner FANGCHENGGANG WANJING FORESTRY
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