Extraction method of moringa leaf extract

An extraction method and Moringa leaf technology are applied in the extraction field of Moringa leaf extract, can solve problems such as restricting the promotion and in-depth development of Moringa protein products, lack of Moringa leaf research, and improve the utilization rate of raw materials and production cost. Low, high-efficiency enrichment effect

Active Publication Date: 2018-01-16
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, due to the lack of research on the deep processing technology of Moringa ...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] A method for extracting Moringa leaf extract, comprising the following steps:

[0061] (1) Enzymatic hydrolysis with plant hydrolase: Dried fresh Moringa oleifera leaves, crushed them, passed through a 60-mesh sieve, and added deionized water to the obtained Moringa oleifera leaf powder at a ratio of 1:10 g / mL, at a rate of 6000 rpm Cut for 10 minutes, adjust the pH value to 4.4, add a compound plant hydrolase (product model Viscozyme L) whose mass is 2% of the mass of Moringa oleifera leaves, and enzymolyze at 50°C for 4 hours to obtain a suspension;

[0062] (2) Alkaline extraction combined with protease enzymatic hydrolysis: adjust the pH value of the suspension to 8.0, stir at 400 r / min at room temperature for 2 hours; then adjust the pH value of the suspension to 7.0, add 3% of the mass of Moringa oleifera leaves % protease (the amount of trypsin added accounted for 20% of the total enzyme amount, and the amount of NS37071 added accounted for 80% of the total enzym...

Embodiment 2

[0069] A method for extracting Moringa leaf extract, comprising the following steps:

[0070] (1) Enzymatic hydrolysis with plant hydrolase: Dried fresh Moringa oleifera leaves, crushed them, passed through a 60-mesh sieve, and added deionized water to the obtained Moringa oleifera leaf powder at a rate of 7000rpm according to the ratio of material to liquid 1:11 g / mL. Cut for 15 minutes, adjust the pH value to 4.7, add a compound plant hydrolase (product model Viscozyme L) whose mass is 3% of the mass of Moringa oleifera leaves, and enzymolyze at 53°C for 5 hours to obtain a suspension;

[0071] (2) Alkaline extraction combined with protease enzymatic hydrolysis: adjust the pH value of the suspension to 8.5, stir at 500 r / min at room temperature for 3 hours; then adjust the pH value of the suspension to 8.0, add 4% of the mass of Moringa oleifera leaves % protease (the amount of trypsin added accounted for 30% of the total enzyme amount, and the amount of NS37071 added accoun...

Embodiment 3

[0078] A method for extracting Moringa leaf extract, comprising the following steps:

[0079] (1) Enzymatic hydrolysis with plant hydrolase: dry fresh Moringa oleifera leaves, crush them, pass through a 60-mesh sieve, and add deionized water to the obtained Moringa oleifera leaf powder at a ratio of 1:12 g / mL, at a rate of 8000 rpm Cut for 20 minutes, adjust the pH value to 5.0, add a compound plant hydrolase (product model Viscozyme L) whose mass is 4% of the mass of Moringa oleifera leaves, and enzymolyze at 56°C for 6 hours to obtain a suspension;

[0080] (2) Alkaline extraction combined with protease enzymatic hydrolysis: adjust the pH value of the suspension to 9.0, stir at 600 r / min at room temperature for 4 hours; then adjust the pH value of the suspension to 9.0, add 5% of the mass of Moringa oleifera leaves % protease (the amount of trypsin added accounted for 40% of the total enzyme amount, and the amount of NS37071 added accounted for 60% of the total enzyme amount...

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Abstract

The invention discloses an extraction method of a moringa leaf extract. According to the method, enzymolysis by plant hydrolyzed-enzymes, alkali extraction combined protease enzymolysis, ultrafiltration treatment, ethyl acetate extraction and impurity removal, grading alcoholic precipitation and a macroporous resin enrichment process are used for combined extraction, controlled enzymolysis of protein of moringa leaves is realized, the utilization rate of raw materials is increased, components with higher oxidation resistance are efficiently enriched, and an anti-oxidative peptide of the moringa leaves is extracted to the greatest extent. The extraction method is simple to operate, low in production cost and pollution-free, the obtained moringa leaf extract contains more than 70% of protein, smaller than 20% of total sugar and smaller than 8% of moisture, has the ORAC value larger than 1,500 mu mol Trolox equiv/g and the DPPH value larger than 600 mu mol Trolox equiv/g and can be used in medicines, healthcare products and food.

Description

technical field [0001] The invention belongs to the field of deep processing of moringa leaves, and in particular relates to a method for extracting moringa leaves. Background technique [0002] The accumulation of free radicals in the body will cause various damages to the body at the molecular level, cellular level and tissue and organ level, accelerate the body's aging, fatigue and induce Alzheimer's disease, aging process, cataract, acute liver toxicity, Cardiovascular diseases, arteriosclerosis, nephritis, diabetes, rheumatism, inflammatory processes, carcinogenesis due to DNA damage, etc. [0003] Moringa is a plant of the genus Moringa in the Moringaceae family. It is native to the Himalayas in northern India and is widely planted in tropical and subtropical regions of Asia and Africa. There are 14 species of Moringa. Indian traditional Moringa ( Moringa oleifera Lam.) grows fast and distributes widely. It is the Moringa species with the largest cultivated area and ...

Claims

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Application Information

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IPC IPC(8): A61K36/185A61P39/06A23L33/105A61K127/00
Inventor 林恋竹赵谋明赵坤王欣朱启源
Owner SOUTH CHINA UNIV OF TECH
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