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Natural health care gingko testa beverage and preparation method thereof

A ginkgo testa, natural technology, applied in beverage processing, food, chemical industry, can solve the problems of environmental pollution, waste of resources, etc., achieve the effect of rich nutrition, alleviate resource waste, and easy to promote

Active Publication Date: 2016-05-11
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Not only waste resources, but also cause serious pollution to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Take 2kg of fresh and plump ginkgo fruit without mechanical damage, wash it with sterile water and drain it, and obtain the ginkgo testa and its juice by manual extrusion and separation with a filter screen, and grind the ginkgo testa and its juice with a ball mill. The juice was ball-milled for 0.5h, press-filtered to separate the filter residue, an equal volume of vegetable oil extraction solvent was added to the ginkgo testa juice, stirred at a high speed for 0.5h at 25°C, and the vegetable oil extraction solvent phase was separated after standing for 1h. Add vegetable oil extraction solvent and carry out secondary extraction, repeat above-mentioned extraction process, after repeated extraction three times, adopt separatory funnel to separate the ginkgo exocarp juice that the lower floor has taken off ginkgolic acid (extracted vegetable oil extraction solvent phase is recovered by distillation device ), the ginkgolic acid content in the ginkgo testa juice detected by ...

Embodiment 2

[0026] Take 2kg of fresh and plump ginkgo fruit without mechanical damage, wash it with sterile water and drain it, and obtain the ginkgo testa and its juice by manual extrusion and separation with a filter screen, and use a sand mill to grind the ginkgo Grind the skin and its juice for 0.5h, press filter to separate the filter residue, add an equal volume of petroleum ether to the ginkgo testa juice, stir at a high speed for 0.5h at 28°C, let stand for 1h, separate the petroleum ether phase, and then add Carry out secondary extraction with petroleum ether, repeat above-mentioned extraction process, after repeated extraction three times, use separatory funnel to separate the ginkgo testa juice that the lower layer has completely stripped of ginkgolic acid (the petroleum ether phase after extraction is recovered by a distillation device), through high-efficiency liquid The content of ginkgolic acid detected by phase chromatography is 3.5mg / kg. Add 0.5 g of activated carbon to 5...

Embodiment 3

[0028] Take 2kg of fresh and plump ginkgo fruit without mechanical damage, wash it with sterile water, drain it, use the method of manual extrusion and filter screen separation to obtain the ginkgo testa and its juice, and use a high-speed mixer to grind the ginkgo Stir the skin and its juice for 0.5h, press filter to separate the filter residue, add an equal volume of n-hexane to the ginkgo testa juice, stir at a high speed for 0.5h at 30°C, let stand for 1h, separate the n-hexane phase, and then add n-hexane Carry out secondary extraction with alkane, repeat the above extraction process, after repeated extraction three times, use a separatory funnel to separate the ginkgo testa juice from the lower layer to remove the ginkgolic acid (the n-hexane phase after extraction is recovered by a distillation device), and pass through the high-efficiency liquid phase. The content of ginkgolic acid detected by chromatography is 3.7mg / kg. Add 0.5 g of activated alumina to 25 g of the ab...

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Abstract

The invention belongs to the field of food, beverage processing and chemical engineering, and particularly relates to a natural health care gingko testa beverage and a preparation method thereof. The preparation method comprises the steps that fresh gingko testa are used as raw materials, smashed and filtered to obtain filtered juice, an extraction agent is utilized for repeated extraction to remove ginkgolic acid in the filtered juice, then an adsorbing agent is utilized for sufficiently adsorbing and removing residual extraction agent and tannin in the filtered juice, then a small number of auxiliary materials are added, sterilization and packaging are carried out, and the natural health care gingko testa beverage is obtained. The gingko testa is rich in starch, polysaccharide, amino acid, multivitamins and protein, and contains a small amount of ginkgetin, terpene lactones and daucosterol and various microelements; the fresh gingko testa are used as the raw materials, harmful matter ginkgolic acid in the fresh gingko testa is sufficiently removed, the residue amount of ginkgolic acid is lower than 10 mg / kg, non-toxic standards are met, and the obtained natural health care gingko testa beverage is rich in nutrient and unique in flavor.

Description

technical field [0001] The invention belongs to the fields of food and beverage processing and chemical industry, and in particular relates to a natural health-care ginkgo testa drink and a preparation method thereof. Background technique [0002] Ginkgo biloba contains polysaccharides (63% to 64%), 17 kinds of amino acids (7%), flavonoids (1.3% to 2.8%), terpenes (5%), proteins, carotene, multivitamins and various trace elements. Among them, flavonoids have the functions of preventing and treating cardiovascular diseases, anti-hypoxia and anti-aging; terpenes can protect the human central nervous system and ischemic damage, and resist rejection caused by organ transplantation; polysaccharides can inhibit tumors, delay aging, Regulate immune function. But because Ginkgo biloba exotesta also contains about 5.5% ginkgolic acid with strong cytotoxicity, it has not been effectively utilized for a long time. In some important ginkgo planting areas in my country, nearly 100,000...

Claims

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Application Information

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IPC IPC(8): A23L2/38A23L2/70A23L2/80A23L33/00
CPCA23L2/38A23L2/70A23L2/80A23V2002/00A23V2200/30A23V2250/5112
Inventor 雷家珩何康郭丽萍杜小弟
Owner WUHAN UNIV OF TECH
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