Waxberry fruit extract, its preparation method and its application of protecting liver

A technology of extract and fruit, applied in the field of bayberry fruit extract

Inactive Publication Date: 2008-05-28
连云港市东海果汁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pharmacological research of bayberry fruit has not been reported yet

Method used

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  • Waxberry fruit extract, its preparation method and its application of protecting liver
  • Waxberry fruit extract, its preparation method and its application of protecting liver

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Preparation of Crude Extract from Myrica rubra

[0055] 1.7 kg of fresh red bayberry pulp was extracted by adding 750 ml of 50% ethanol under reflux for 1 hour, and filtered; the filter residue was extracted again with 500 ml of 50% ethanol under reflux for 1 hour; the two filtrates were combined, concentrated under reduced pressure, and dried.

Embodiment 2

[0057] Preparation of bayberry fruit extract:

[0058] Red bayberry fresh pulp 1.7kg, add 30% ethanol 750ml reflux extraction 1 hour, filter; Filter residue is reflux extraction 1 hour again with 500ml 30% ethanol; Merge twice filtrate, concentrate under reduced pressure; Concentrate under reduced pressure and dry to obtain 4.23 g of fine extract.

Embodiment 3

[0060] Preparation of bayberry fruit extract:

[0061] Red bayberry fresh pulp 2kg, add 50% ethanol 1000ml reflux extraction 1 hour, filter; Filter residue is reflux extraction 1 hour again with 600ml 50% ethanol; Merge twice filtrate, concentrate under reduced pressure; Concentrate under pressure and dry to obtain 4.49 g of dry extract.

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PUM

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Abstract

The invention relates to an arbutus fruit extract in the field of natural drugs. The invention also discloses preparation method thereof and the effect of hepatic protection.

Description

technical field [0001] The invention relates to the field of natural medicines, in particular to a bayberry fruit extract. The invention also discloses its preparation method and its liver-protecting application. Background technique [0002] Myrica rubra Sieb.et Zucc belongs to the Myricaceae family and is an aromatic plant with both medicinal and edible uses. Both the "Diet Therapy Materia Medica" of the Song Dynasty and the "Compendium of Materia Medica" of the Ming Dynasty have records of the medicinal efficacy of bayberry. In mainland China, Taiwan and Japan, bayberry fruit, roots, bark and leaves are used as medicine to treat dysentery, diarrhea, stomach pain and rheumatic pain. Myricatin, a galloyl flavanonol sulfate and prodelphinidin gallates from Myrica rubra. Phytochemistry, 1983, 22, 237- 241; Sakurai N., Yaguchi Y., Inoue T. Triterpenoids from Myricarubra Phytochemistry, 1987, 26: 217-219; Sakurai N., Yaguchi Y., Hirakawa T., Nagai M., Inoue T. Two myricanol g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/185A61P1/16A61K131/00
Inventor 徐力致钟增涛赵晓宁高静杨晓荷王玉才余文高晓文汤亚红
Owner 连云港市东海果汁有限公司
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