KMID : 1007520210300040505
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Food Science and Biotechnology 2021 Volume.30 No. 4 p.505 ~ p.512
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Analysis of physiochemical composition and antioxidant properties between hulls of the genetically modified glyphosate-tolerant soybean and northeast soybean
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Qian Bingjun
Huang Lei Zhao Jing Zhu Juan
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Abstract
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In this study, the physiochemical and antioxidant properties of the soybean hulls from the genetically modified glyphosate-tolerant soybeans (line 40-3-2) and local cultivar northeast soybeans were investigated. The levels of fat, total phenolic, total extractable pectin and soluble dietary fiber in northeast soybeans hulls were less than that in glyphosate-tolerant soybeans hulls, respectively. The antioxidant capacity of total phenolic, water soluble pectin, and soluble dietary fiber showed that DPPH free radical scavenging activities of glyphosate-tolerant soybeans hulls were 118.23, 57.34 and 197.22 ¥ìg AAE/g, which were 2.3, 1.2 and 9.4 times of northeast soybeans hulls, respectively (p?0.05), and FRAP of glyphosate-tolerant soybeans hulls were 401.67, 747.51 and 328.53 ¥ìg AAE/g, which were 1.8, 8.7 and 4.8 times of northeast soybeans hulls (p?0.05). Glyphosate-tolerant soybeans hulls extract showed the stronger antioxidant activity, which was positively correlated with total phenolic content (r?=?0.890, p?=?0.001). It provides evidence on developing value-added utilization of hulls, soybean processing by-products, as nutraceuticals or functional food ingredients.
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KEYWORD
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Antioxidative property, Northeastern soybean, Physiochemical property, Genetically modified glyphosate-tolerant soybean
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