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Extraction method for natural high-purity mogroside

A technology of mogroside and extraction method, which is applied in the field of extraction of natural high-purity mogroside, can solve the problems of cumbersome steps, time-consuming and labor-consuming, and large environmental pollution, and achieve the goal of improving extraction efficiency, reducing production costs, and simple extraction process Effect

Active Publication Date: 2017-09-15
江苏优之食品有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] However, the traditional extraction method of mogroside uses a large amount of organic solvents, and the extraction efficiency is not high. The preparation method of high-purity mogroside usually requires column chromatography and membrane filtration. These methods have a long production cycle and high cost
Patent CN103570789 A "A Preparation Method of High Purity Mogroside" adopts water extraction-concentration into extract-diethyl ether, ethyl acetate mixed solution two-phase liquid-liquid extraction-diethyl ether, ethyl acetate mixed solution / dipotassium hydrogen phosphate double water The preparation process of phase extraction-polymer back extraction-n-butanol liquid-liquid extraction-concentration and drying has obtained high-purity mogroside, but the method is cumbersome, time-consuming and labor-intensive, and uses a large amount of organic solvents. environmental pollution

Method used

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  • Extraction method for natural high-purity mogroside

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Comparison scheme
Effect test

Embodiment 1

[0021] Wash the Luo Han Guo with clean water, dry it naturally, dry it in a vacuum oven at 40°C for 11 hours, use a traditional Chinese medicine pulverizer to pulverize it, pass it through a 60-mesh sieve, and then pulverize the sieved powder to obtain nano-scale super Fine powder: after mixing 300g of Luo Han Guo superfine powder with 3L of water, after ultrasonication for 20 minutes at 200W and 45°C, after filtration, the filter residue was ultrasonically extracted twice again, the extracts were combined, and the extraction extract was obtained by vacuum distillation; Mix a certain amount of 200mL tetrahydrofuran, 100mL n-octanol, and 700mL water evenly, and let it stand naturally for 1 hour. The system is phase-separated, and the upper phase is removed to obtain a nano-sized supramolecular solvent; the extract is dissolved in water to obtain 0.3 g / mL extract water solution, take 1L extract water and add 75mL supramolecular solvent, vortex for 20 seconds, centrifuge, remove t...

Embodiment 2

[0023] Wash the grosvenoria grosvenori with clear water, dry it naturally, dry it in a vacuum oven at 45°C for 10 hours, crush it with a traditional Chinese medicine grinder, pass it through a 60-mesh sieve, and further crush the sieved powder to obtain nano-scale super Fine powder: after mixing 500g of Luo Han Guo superfine powder with 12L of water, ultrasonication was performed at 250W and 50°C for 25 minutes, after filtration, the filter residue was ultrasonically extracted 3 times again, the extracts were combined, and the extract was obtained by distillation under reduced pressure; Mix a certain amount of 350mL tetrahydrofuran, 200mL n-decyl alcohol, and 1000mL water evenly, and let it stand naturally for 1 hour. The system is phase-separated, and the upper phase is removed to obtain a nano-sized supramolecular solvent; the extract is dissolved in water to obtain 0.35 g / mL extract water solution, take 1.5L extract water and add 150mL supramolecular solvent, vortex for 15 s...

Embodiment 3

[0025] Wash the Luo Han Guo with clean water, dry it naturally, dry it in a vacuum oven at 40°C for 12 hours, crush it with a traditional Chinese medicine grinder, pass it through a 60-mesh sieve, and further crush the sieved powder to obtain nano-scale super Fine powder: after mixing 400g of Luo Han Guo superfine powder with 10L of water, ultrasonication was performed at 300W and 40°C for 25 minutes, and after filtration, the filter residue was ultrasonically extracted twice again, the extracts were combined, and the extraction extract was obtained by distillation under reduced pressure; Mix a certain amount of 200mL tetrahydrofuran, 150mL n-hexanol, and 800mL water evenly, and let it stand naturally for 1 hour. The system is phase-separated, and the upper phase is removed to obtain a nano-sized supramolecular solvent; the extract is dissolved in water to obtain 0.25g / mL extract water solution, take 1.5L extract water and add 100mL supramolecular solvent, vortex for 20 second...

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Abstract

The invention discloses an extraction method for natural high-purity mogroside. The method includes: crushing siraitia grosvenorii into nanoscale fine powder, then conducting water ultrasonic extraction and concentration to obtain an extract, dissolving the extract with water, then using a supramolecular solvent formed by tetrahydrofuran and water to remove fat soluble impurities from the extract, and finally using ethyl acetate to perform washing, and then conducting drying, thus obtaining a high-purity mogroside extract. The method provided by the invention has no need for using special separation membrane and column chromatography, has the characteristics of simple extraction process, short extraction time, and significantly reduced consumption of organic solvent, thus being more efficient and environmental friendly. In addition, the high-purity mogroside obtained by the method provided by the invention can be directly used as a food sweetness additive.

Description

technical field [0001] The invention relates to the technical field of extraction of plant active ingredients, and relates to a method for extracting natural high-purity mogroside. The obtained high-purity mogroside can be directly used as a natural sweetener for food. Background technique [0002] Mangosteen is mainly produced in the mountainous areas of Lingui County and Yongfu County, Guilin City, Guangxi, my country, and is occasionally planted in other provinces. Luo Han Guo fruit has high nutritional value, rich in vitamin C, E, fructose, essential amino acids, trace elements and other nutrients, as well as various active ingredients such as flavonoids, polysaccharides, sweet glycosides and polyphenols. Japanese scholar Takemoto Changmatsu found that the main effect of Luo Han Guo on various diseases is the substance contained in the fruit that is 300 times sweeter than sugar-mogroside, scientifically named "cucurbitacin triterpene", which belongs to the triterpene It...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07J17/00
CPCC07J17/005
Inventor 张海云鲁霞陈国树王慧
Owner 江苏优之食品有限公司
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