Fruit-vegetable information substance and solution prepared thereby
A kind of information material, fruit and vegetable technology, applied in the direction of chemicals for biological control, botanical equipment and methods, pest control, etc., to achieve the effect of increasing vitamin C content, reducing decay rate, and improving maturity
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Embodiment 1
[0028] Take 200 parts by mass of chitosan powder as a biological information substance, and 1 part by mass of abamectin as a biopesticide to prepare a vegetable bioinformation substance, and add water to prepare a solution with a mass concentration of 0.8% of the fruit and vegetable bioinformation substance. Chitosan is soaked in hydrochloric acid with a mass concentration of 10 by the shrimp shell to remove inorganic salts in the shell for about 24 hours, and then boiled with a 40% sodium hydroxide solution for about 0.5 hour to remove the shell collagen. Then use 70% alkali to remove the acetyl group for about 4 hours, dry and pulverize to prepare chitosan.
Embodiment 2
[0030] Take 800 parts by mass of chitosan powder as biological information substance, and 1 part by mass of biopesticide abamectin to prepare the biological information substance of fruits and vegetables, and add water to prepare a solution with a mass concentration of 0.8% of functional antistaling agent during use. Chitosan is soaked in hydrochloric acid with a mass concentration of 15% by the crab shell for about 20 hours to remove inorganic salts in the shell, and then boiled with a 30% sodium hydroxide solution for about 0.7 hours to remove the shell collagen protein, and then use 75% alkali to remove acetyl group for about 3 to 5 hours, dry and pulverize to prepare chitosan.
Embodiment 3
[0032]Take 15 parts by mass of chitosan powder as a biological information substance, and 1 part by mass of abamectin as a biological insecticide to prepare the biological information substance of fruits and vegetables, and add water to prepare a solution with a mass concentration of 0.8% as a functional antistaling agent during use. Chitosan is soaked in hydrochloric acid with a mass concentration of 20% by the crab shell for about 12 hours to remove inorganic salts in the shell, and then boiled with a 35% sodium hydroxide solution for about 0.5 hour to remove the shell collagen , and then use 75% alkali to remove the acetyl group for about 3 to 4 hours, dry and pulverize to obtain chitosan.
[0033] Example of Application of Fruit and Vegetable Biological Information Substances——Application on Mango
[0034] Mango cultivation in Sichuan Province is mainly distributed in the Panxi area, and Panzhihua City is the main mango cultivation area in Sichuan Province. Mango trees wi...
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