A kind of chitosan oligosaccharide aqueous solution nutritional bean sprouts cultivation method

A cultivation method and chitosan oligosaccharide technology, which are applied in culture medium, botany equipment and methods, cultivation, etc., can solve the problems of excessive residues of toxic and harmful substances in bean sprouts, low nutritional content of bean sprouts, and poor antioxidant quality, etc., to achieve anti-oxidation The effect of excellent quality, beautiful growth form, and rich accumulation of nutrients

Active Publication Date: 2020-01-14
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bean sprouts currently on the market are obtained from bean sprout seeds soaked in ordinary water and germinated. The resulting bean sprouts have low accumulation of nutrients and poor antioxidant quality; and the use of plant growth regulators to accelerate the growth of bean sprouts will lead to bean sprouts. The residues of toxic and harmful substances exceed the standard, and long-term consumption will cause damage to the human body

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Preparation of mung bean sprouts culture medium: Dissolve 0.001 g chitosan oligosaccharide in 1 L of water, stir and dissolve completely to obtain mung bean sprouts culture medium.

[0022] (2) Mung bean soaking: soak the mung bean sprout seeds in distilled water for 6 hours, and remove the sundries floating on the water surface; place the soaked mung bean sprout seeds in the incubator, and use the prepared mung bean sprout culture solution for cultivation.

[0023] (3) Cultivation: keep the temperature at 20°C, keep the humidity at 90%, cultivate in dark, and replace the mung bean sprout culture solution 3 times a day. After being cultivated for 5 days, the bean sprouts grow to 4 cm and can be harvested.

Embodiment 2

[0025] (1) Preparation of soybean sprout culture medium: Dissolve 0.005 g chitosan oligosaccharide in 1 L of water, stir and dissolve completely to obtain soybean sprout culture medium.

[0026] (2) Soybean soaking: Soak the soybean sprout seeds in distilled water for 8 hours, and remove the sundries floating on the water surface; place the soaked soybean sprout seeds in the incubator, and cultivate them with the prepared soybean sprout culture solution.

[0027] (3) Cultivation: Keep the temperature at 20°C, keep the humidity at 90%, cultivate in dark, and replace the soybean sprout culture solution 3 times a day. After being cultivated for 5 days, the bean sprouts grow to 5 cm and can be harvested.

Embodiment 3

[0029] (1) Preparation of black bean sprouts culture medium: Dissolve 0.010 g of chitosan oligosaccharide in 1 L of water, stir and dissolve completely to obtain black bean sprouts culture medium.

[0030] (2) Black bean soaking: Soak the black bean sprout seeds in distilled water for 8 hours, and remove the sundries floating on the water surface; place the soaked black bean sprout seeds in the incubator, and use the prepared black bean sprout culture solution for cultivation.

[0031] (3) Cultivation: Keep the temperature at 25°C, keep the humidity at 90%, cultivate in dark, and replace the black bean sprout culture solution 4 times a day. After being cultivated for 5 days, the bean sprouts grow to 4 cm and can be harvested.

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Abstract

The invention discloses a method for cultivating nutritive soybean sprouts by using a chitosan oligosaccharide aqueous solution. The method includes the following steps: 1) preparation of a soybean sprout cultivation solution, wherein the concentration of chitosan oligosaccharide is 0.001-0.010 g / L, the chitosan oligosaccharide is dissolved in water with stirring, and the soybean sprout cultivation solution is obtained after the chitosan oligosaccharide is completely dissolved; 2) soybean soaking: soaking soybean seeds in water, removing impurities floating on a water surface, putting the soaked soybean seeds in a cultivation container, and cultivating the soaked soybean seeds by using the prepared soybean sprout cultivation solution; 3) cultivation: keeping the temperature being at 20-25 DEG C, keeping the humidity being in 85%-95%, performing dark cultivation, changing the cultivation solution for 3-4 times every day, cultivating the soybean sprouts for 3-5 days, and then harvesting the soybean sprouts when the length of the soybean sprouts reaches 4-6 cm. the obtained soybean sprouts are crisp and tender, have no harmful matters, are rich in nutriments, and are excellent in antioxidant quality; accumulation of nutriments of the soybean sprouts and the antioxidant quality can be improved.

Description

technical field [0001] The invention relates to the field of bean sprout cultivation, in particular to a method for cultivating nutritional bean sprouts in an aqueous solution of chitosan oligosaccharide. Background technique [0002] Bean sprouts have a crisp taste and are rich in various nutrients, and are deeply loved by consumers. Bean sprouts currently on the market are obtained from bean sprout seeds soaked in ordinary water and germinated. The resulting bean sprouts have low accumulation of nutrients and poor antioxidant quality; and the use of plant growth regulators to accelerate the growth of bean sprouts will lead to bean sprouts. The residual toxic and harmful substances exceed the standard, and long-term consumption will cause damage to the human body. Contents of the invention [0003] In order to overcome the above-mentioned deficiencies in the prior art, the invention provides a method for cultivating nutrient bean sprouts in an aqueous solution of chitosa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00A01N43/16A01P21/00
CPCA01G24/00A01G31/00A01N43/16
Inventor 郭新波李全叶宇童
Owner SOUTH CHINA UNIV OF TECH
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