Influence of Ascorbic Acid and Chitosan on Selenium Enrichment of Soybean
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Abstract:
In order to improve the selenium enrichment effect of soybean, the influence of soaking condition, ascorbic acid and chitosan on the sprouting rate and sprout length of the selenium enrichment soybean were investigated in this study. Results indicated that the ascorbic acid will improve the germination and growth of soybean seeds, and will disadvantage to the selenium enrichment of soybean, but after adding chitosan to the soaking solution, the negative influence of the ascorbic acid will extinction. The best formula of soaking solution contained 60 μg/mL Na2SeO3, 0.08% ascorbic acid and 0.1% chitosan. The best soaking time and temperature were 8 h and 30 ℃, respectively. After processing, total selenium content and the isolated protein of the selenium-enriched soybean reached 27.31 μg/g and 31.95 μg/g, respectively.
