Edible soybean sprouts rich in microelements including zinc, cobalt and selenium and cultivation method therefor

A technology of trace elements and cultivation methods, applied in the field of healthy vegetables, can solve the problems of no environmental burden in the discharge of culture residual liquid, unclear interaction of high exogenous concentration, low residual concentration of exogenous trace elements, etc. The effect of human body absorption and high proportion of organic state

Active Publication Date: 2020-06-12
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, hi

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, 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 an...

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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PUM

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Abstract

The invention discloses an edible soybean sprouts rich in microelements including zinc, cobalt and selenium and a cultivation method therefor. According to the soybean sprouts, the total zinc contentis 5.76-8.47 mg/kg, the total cobalt content is 31.24-104.67 [mu]g/kg, the total selenium content is 12.60-80.40 [mu]g/kg, the organic zinc content is 1.57-4.65 mg/kg, the organic cobalt content is 7.05-43.39 [mu]g/kg, and the organic selenium content is 3.11-66.14 [mu]g/kg; by conventional intake, the bean sprouts meet in the recommended intake standard of Zn, Co and Se in Chinese Dietary Guidelines, and have no hidden dangers. The cultivation method disclosed by the invention can guide mass production of the edible soybean sprouts rich in zinc, cobalt and selenium; the growth cycle is short;the microelements are high in organic conversion rate, and are moderate in enrichment amount; no hidden dangers are present in production and consumption; and production cost is low.

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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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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