A kind of edible soybean sprouts rich in zinc, cobalt and selenium trace elements and its cultivation method

A technology of trace elements and cultivation methods, which is applied in the field of healthy vegetables, can solve the problems of high proportion of organic state, large environmental hazards, and no environmental burden on the discharge of culture residual liquid, and achieve mild cultivation conditions, high proportion of organic state, and time period short effect

Active Publication Date: 2021-07-16
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The present invention uses the discovered interaction to solve the problem of zinc, cobalt and selenium biotransformation and enrichment organic transformation at low exogenous concentrations, with a high proportion of organic state, low residual concentration of exogenous trace elements, and no environmental burden for the discharge of the culture residue. Solve the problems of unknown interaction of high exogenous concentration, high concentration of residual culture liquid, and great environmental hazards
The bean sprouts gained by the present invention meets the recommended intake of Zn, Co and Se in the Chinese dietary guidelines (Zn: 7.5mg / d; Co, Se: 50 μg / d) in the routine intake, has no potential safety hazard, and can be popularized in daily recipes. Extensively solve the problem of micronutrient fortification in economically underdeveloped countries and regions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Take 200 selected soybean seeds (about 50g), soak them in 150g deionized water for 15 hours, change the water every 5 hours during this period, and then use ZnSO 4 and CoSO 4 ·6H 2 O mixed solution 2 (Zn 2+ =1200μg / L, Co 2+ =30μg / L) Soak the seeds for 4h, then switch to Se 4+ Solution 2 (Se 4+ =180μg / L) soaking for 4h; under dark conditions, put the soaked soybean seeds into the germination tray for germination. 3 times deionized water, it is advisable to moisten the inside of the plate without a lot of dripping water, and pay attention to ventilation at the same time. The buds are about 5mm long at the end of germination. Spread the germinated seeds evenly on the moist substrate of pure river sand and cultivate them at room temperature, and use the corresponding solution to spray ZnSO alternately every 7 hours in time sequence 4 and CoSO 4 ·6H 2 O mixed solution 2, Na 2 SeO 3 For solution 2, the sprouts should be kept in a dark environment as much as possibl...

Embodiment 2

[0054] Take 200 selected soybean seeds (about 50g), soak them in 150g deionized water for 17 hours, change the water every 5 hours during this period, and then use ZnSO 4 and CoSO 4 ·6H 2 O mixed solution 3 (Zn 2+ =2400μg / L, Co 2+ =75μg / L) for 4 hours, then use Na 2 SeO 3 Solution 3 (Se 4+ =160μg / L) soaking for 4h; under dark conditions, put the soaked soybean seeds into the germination tray for germination, the indoor temperature is about 18-25°C, the germination time is set to 23h, and spraying is required during the germination period. 3 times deionized water, it is advisable to moisten the inside of the plate without a lot of dripping water, and pay attention to ventilation at the same time. The buds are about 5mm long at the end of germination. Spread the germinated seeds evenly on the moist substrate of pure river sand and cultivate them at room temperature, and use the corresponding solution to spray ZnSO alternately every 7 hours in time sequence 4 and CoSO 4 ·6...

Embodiment 3

[0058] Take 200 selected soybean seeds (about 50g), soak them in 150g deionized water for 21 hours, change the water every 5 hours during this period, and then use ZnSO 4 and CoSO 4 ·6H 2 O mixed solution 5 (Zn 2+ =2700μg / L, Co 2+ =45μg / L) Soak the seeds for 4h, then use Na 2 SeO 3 Solution 5 (Se 4+ =80μg / L) soaking for 4h; under dark conditions, put the soaked soybean seeds into the germination tray for germination. 3 times deionized water, it is advisable to moisten the inside of the plate without a lot of dripping water, and pay attention to ventilation at the same time. The buds are about 5mm long at the end of germination. Spread the germinated seeds evenly on the moist substrate of pure river sand and cultivate them at room temperature, and use the corresponding solution to spray ZnSO alternately every 7 hours in time sequence 4 and CoSO 4 ·6H 2 O mixed solution 5, Na 2 SeO 3 For solution 5, the sprouts should be kept in a dark environment as much as possible...

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Abstract

The invention discloses an edible soybean sprout rich in trace elements of zinc, cobalt and selenium and a cultivation method thereof; the total zinc content of the soybean sprout is 5.76-8.47mg / kg, the total cobalt content is 31.24-104.67μg / kg, the total selenium The content of organic zinc is 12.60~80.40μg / kg, the content of organic zinc is 1.57~4.65mg / kg, the content of organic cobalt is 7.05~43.39μg / kg, and the content of organic selenium is 3.11~66.14μg / kg; , Co and Se are recommended intake standards in the Chinese Dietary Guidelines, and there are no potential safety hazards. The cultivation method of the present invention can guide the batch production of edible soybean sprouts rich in zinc, cobalt and selenium, has short growth period, high organic conversion rate of trace elements, moderate enrichment amount, no hidden danger in production and consumption, and low production cost.

Description

technical field [0001] The invention relates to healthy vegetables, in particular to edible soybean sprouts rich in three essential trace elements of zinc, cobalt and selenium and a cultivation method thereof, belonging to the technical field of health food engineering. Background technique [0002] Zinc (Zn), cobalt (Co) and selenium (Se), as essential trace elements for the human body, are of great significance in maintaining human health. As an essential trace element for the human body, Zn is one of the most common elements in biological systems, and its demand is second only to Fe. Different from Fe element, Zn element exists in more than 2,000 kinds of biological enzymes, covering almost all aspects of biological metabolic activities, and is of great significance in promoting human metabolism, neurodevelopment, regulating body immunity and many other aspects. Insufficient Zn intake in the human body will have a variety of adverse effects on the body, such as ulceratio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00A01C1/00C05D9/02C05G5/23
CPCA01C1/00A01G31/00C05D9/02
Inventor 李秀华张世博余以刚
Owner SOUTH CHINA UNIV OF TECH
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