Extraction method of medicinal and edible plant leaf protein and SOD (Super Oxide Dlsmutase)

A technology for both medicinal and edible purposes and an extraction method, which is applied to biochemical equipment and methods, pharmaceutical formulations, plant raw materials, etc., can solve problems such as the need for sterilization and the inability to meet the quality requirements of leaf protein products, and eliminate the need for sterilization and disinfection. Links, stable product quality, and the effect of reducing industrial production costs

Inactive Publication Date: 2011-06-15
CHANGSHA FUREN INVESTMENT MANAGEMENT
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Invention patent ZL00126635.7 provides a production method of plant edible leaf protein heating and acid precipitation. The actual coagulation time of this method is more than 6 hours, and subsequent processing needs to be sterilized, and the prepared plant leaf protein is a crude product, which still cannot meet the food grade. The above users' requirements for the quality of leaf protein products

Method used

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  • Extraction method of medicinal and edible plant leaf protein and SOD (Super Oxide Dlsmutase)
  • Extraction method of medicinal and edible plant leaf protein and SOD (Super Oxide Dlsmutase)

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1. Raw material selection

[0028] In order to improve the yield and quality of leaf protein, we tested, analyzed and compared the content of leaf protein and SOD in hundreds of plants, and selected the high-yield, high-quality, rich resource, and protein content of up to 40% cypress herb as raw material, and analyzed and tested the content of each component as follows:

[0029] protein

crude fat

crude fiber

calcium

phosphorus

Potassium

Carotene

Vitamin E

Lysine

[0030] 24.7％

2.68％

16.63％

2.68％

0.12％

2.28％

4.25％

65 mg / kg

5.58％

[0031] 2. Harvesting and processing time

[0032] Harvest when the cypress herb grows to 50-60 centimeters, the leaf protein content of the plant is higher at this time, and the total output is also relatively large. In order to avoid the decline in the yield and quality of leaf protein due to the action of the leaves themselves...

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Abstract

The invention provides an extraction method of medicinal and edible plant leaf protein and SOD (Super Oxide Dlsmutase), comprising the following steps of: pulping and extruding cleaned fresh leaves of mature silphium perfoliatum into juice; guiding the filtered juice to a heating tank for soaking, solidifying and sterilizing by heating to 75-90 DEG C, adding pure lactic acid accounting for 6%-8% of the mass of the juice when rapidly cooling the juice to 45 DEG C, and then precipitating 1.5 hours; filtering precipitated protein paste by using a filter press and then making a leaf protein humid cake; and drying in a spray drying method, carrying out vacuum packaging by using an aluminum plastic bag with a lining, and then storing in a clean storeroom at 0-4 DEG C. In the method, the whole extraction process is controlled within 2 hours, the activity of the extracted SOD is above 4000, and the method obviously shortens extraction time in the condition of ensuring the higher activity of a product, and saves a subsequent sterilizing link, thereby effectively saving industrial production cost.

Description

technical field [0001] The invention relates to the technical field of plant protein extraction, in particular to an industrialized high-efficiency extraction method of plant-medicine-edible leaf protein and SOD. Background technique [0002] Plant leaf protein is a kind of polymeric substance, which contains 17 to 18 kinds of amino acids, including 8 kinds of amino acids necessary for the human body, and is also rich in vitamins. Different from animal muscle protein, plant leaf protein does not contain saturated fatty acid and cholesterol, and is an important protein supplement in human diet. [0003] Leaf protein concentrate belongs to functional protein, mainly composed of cytoplasmic protein and chloroplast protein, 35%-45% of which is poorly soluble structural protein, and 55%-65% is matrix protein with good solubility. Therefore, the cell structure must be destroyed in order to fully extract the leaf protein. [0004] At present, the coagulation methods of leaf prote...

Claims

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Application Information

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IPC IPC(8): A23J1/00C12N9/08A61K36/00A61K36/28A61P3/02
Inventor 唐广洲
Owner CHANGSHA FUREN INVESTMENT MANAGEMENT
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