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Method for reducing toxic substances in ginkgo biloba

A technology of toxic substances and ginkgo, which is applied in the field of reducing the toxic substances of ginkgo, can solve the problems of danger and loss of strong alkali solution, and achieve the effect of reducing the content of ginkgolic acid, obvious detoxification effect and retaining beneficial ingredients

Inactive Publication Date: 2017-05-17
JIANGNAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heating temperature in the patent reaches 105°C-200°C, and the processing time is 20-60 minutes, which will cause serious loss of other beneficial substances in the ginkgo fruit, and the strong alkali solution has certain dangers

Method used

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  • Method for reducing toxic substances in ginkgo biloba

Examples

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Comparison scheme
Effect test

Embodiment 1

[0034] Select intact ginkgo fruit without mildew, place it at -20°C to freeze completely, and then thaw it at 37°C. The thawed ginkgo is placed in a microwave oven with a power of 500W for 60s. The cyanide content is 0.05ppm, and the ginkgolic acid content is 156.94ppm (dry basis).

Embodiment 2

[0036] Select intact ginkgo fruit without mildew, place it at -20°C to freeze completely, and then thaw it at 37°C. The thawed ginkgo fruit was placed in an infrared drying device at a temperature of 100°C and a heat treatment time of 2 hours. The content of cyanide is 0.07ppm, and the content of ginkgolic acid is 252.03ppm (dry basis).

Embodiment 3

[0038] Select complete and mildew-free ginkgo and place them in a microwave oven with a power of 500W for 60s; then place them in an infrared drying device at a temperature of 100°C for a heat treatment time of 2 hours. The content of cyanide is 0.03ppm, and the content of ginkgolic acid is 46.27ppm (dry basis).

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Abstract

The invention discloses a method for reducing toxic substances in ginkgo biloba, belonging to the technical field of food processing. According to the method, the ginkgo biloba is firstly frozen and is then unfrozen; the fresh ginkgo biloba has very high water content, so that the structure of the ginkgo biloba changes after the ginkgo biloba is frozen and unfrozen in an environment with the temperature of -18 to -50 DEG C, and the operation of reducing the toxic substances by heating in the later period is facilitated. After that, microwave heat-treatment can enable the temperature of the ginkgo biloba to rise rapidly, so that the shell of the ginkgo biloba is broken, and a certain amount of cyanide and ginkgolic acid can be effectively removed. After the shell of the ginkgo biloba is broken, infrared heat treatment is subsequently carried out on the ginkgo biloba, and the ginkgo biloba is kept at high temperature, so that the content of the ginkgolic acid is greatly reduced.

Description

technical field [0001] The invention relates to a method for reducing toxic substances in ginkgo fruit, which belongs to the technical field of food processing. Background technique [0002] Ginkgo Biloba (Ginkgo Biloba), also known as ginkgo, has been a medicine and food homologous thing since ancient times. Ginkgo fruit tastes sweet, has a fragrant and waxy taste, and has a fresh taste. It has a history of more than 1,000 years as a dietary, nourishing, and health food. According to analysis, ginkgo not only contains a lot of protein, fat, carbohydrates, calcium, phosphorus, iron, magnesium, potassium, carotene, vitamin B, C, D and other nutrients, but also rich in bilobol (Bilobol), ginkgo alcohol ( Active ingredients such as Ginkgetin, Ginkgetin, Ginkgetin, lactone, cholesterol, and polypentyl alcohol have anti-oxidation, anti-aging, anti-tumor and anti-platelet activating factors effects, and are used clinically It is effective in treating coronary heart disease, angi...

Claims

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Application Information

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IPC IPC(8): A23L5/20
Inventor 徐学碗范柳萍李进伟倪洋
Owner JIANGNAN UNIV
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