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Extraction process for hibiscus militaris flower extract and application of hibiscus militaris flower extract

An extraction process and technology of hibiscus flower, which is applied in the field of extraction process of hibiscus flower extract of armor, and achieves the effects of good anti-oxidation, high extraction rate and easy removal.

Pending Publication Date: 2020-09-25
艾品美化妆品(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no report on the extraction of hibiscus flower polyphenols by this method.

Method used

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  • Extraction process for hibiscus militaris flower extract and application of hibiscus militaris flower extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of extracting process of hibiscus flower extract, see figure 1 , including the following extraction steps:

[0033] S1, crushing: crushing the freeze-dried hibiscus petals and passing through a 60-mesh sieve to obtain hibiscus petal powder;

[0034] S2, leaching: according to the ratio of solid to liquid 1g:40mL, weigh 100g of hibiscus petal powder, add 4L of ethanol solution with a volume fraction of 60%, let it stand for 3h after mixing, and ultrasonically extract for 60min at 105W power, using 0.18μm Filter through a microporous membrane with a pore size, and rectify at -0.1MPa, 55°C to remove ethanol and obtain an extract;

[0035] S3, concentration under reduced pressure: at -0.07MPa, 30°C, the extract was concentrated under reduced pressure 4 times to obtain the hibiscus flower extract.

Embodiment 2

[0037] A kind of extracting technology of hibiscus flower extract, comprising the following extraction steps:

[0038] S1, crushing: crushing the freeze-dried hibiscus petals and passing through a 60-mesh sieve to obtain hibiscus petal powder;

[0039] S2, leaching: According to the ratio of solid to liquid 1g:40mL, weigh 100g of hibiscus petal powder, add 5L of ethanol solution with a volume fraction of 70%, let it stand for 3.5h after mixing, and ultrasonically extract for 70min under 130W power, using 0.20 Filter through a microporous membrane with a pore size of μm, and rectify at -0.1MPa, 60°C to remove ethanol and obtain an extract;

[0040] S3, concentration under reduced pressure: at -0.07MPa, 30°C, the extract was concentrated under reduced pressure for 5 times to obtain the hibiscus flower extract.

Embodiment 3

[0042] A kind of extracting technology of hibiscus flower extract, comprising the following extraction steps:

[0043] S1, crushing: crushing the freeze-dried hibiscus petals, and passing through an 80-mesh sieve to obtain hibiscus petal powder;

[0044] S2, leaching: According to the ratio of solid to liquid 1g:60mL, weigh 100g of hibiscus petal powder, add 6L of ethanol solution with a volume fraction of 80%, let it stand for 5h after mixing, and ultrasonically extract for 40min at 155W power, using 0.22μm Filter through a microporous membrane with a pore size, and rectify at -0.1MPa, 65°C to remove ethanol and obtain an extract;

[0045] S3, concentration under reduced pressure: at -0.07MPa, 30°C, the extract was concentrated under reduced pressure 6 times to obtain the hibiscus flower extract.

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Abstract

The application relates to the technical field of plant extraction, and particularly discloses an extraction process for hibiscus militaris flower extract and application of the hibiscus militaris flower extract. The extraction process for hibiscus militaris flower extract is technically and mainly characterized by comprising the following extraction steps: S1, crushing: crushing freeze-dried hibiscus militaris petals to obtain hibiscus militaris petal powder; S2, extraction: mixing the hibiscus militaris petal powder with an extraction solvent, performing ultrasonic extraction after standingfor 3-5h, and performing filtering to obtain extract; and S3, vacuum concentration: performing vacuum concentration on the extract to obtain the hibiscus militaris flower extract. The extraction process provided by the application has the advantages of being simple and efficient, and having high extraction rate.

Description

technical field [0001] The present application relates to the technical field of plant extracts, more specifically, it relates to an extraction process and application of a hibiscus flower extract. Background technique [0002] Hibiscus, also known as Mujin, Lizhanghua, and Zhu Jin, is a deciduous shrub or small tree of the Malvaceae Hibiscus genus. Its flowers, fruits, roots, leaves and bark can be used as medicine. Hibiscus not only has ornamental value, but also has edible and medicinal value. Hibiscus flowers contain protein, cellulose, carotene, multivitamins and other nutrients needed by the human body and trace elements such as calcium, magnesium, zinc, copper, phosphorus, potassium, selenium, chromium, etc., and contain saponin, isovitex Factors, saponins, and flavonoids have anti-inflammatory, blood-lipid-lowering, antibacterial properties, and can treat intestinal wind and diarrhea. [0003] Ultrasonic extraction method is through the mechanical damage of ultraso...

Claims

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Application Information

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IPC IPC(8): A61K8/9789A61Q17/00A61Q19/00A61Q19/08
CPCA61K8/9789A61Q19/00A61Q17/005A61Q19/08A61K2800/82
Inventor 郭正学李茂
Owner 艾品美化妆品(上海)有限公司
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