外源硒对食用木薯品质的影响研究

曹升,王颖,陈会鲜,尚小红,谢向誉,严华兵,陆柳英

Effects of Exogenous Selenium on the Quality of Edible Cassava

Sheng Cao,Ying Wang,Huixian Chen,Xiaohong Shang,Xiangyu Xie,Huabing Yan,Liuying Lu

表2 不同外源硒施用水平下食用木薯抗氧化性的变化

Table 2 Changes of antioxidant capacity of edible tapioca under different levels of exogenous selenium application

酶Enzyme CK T1 T2 T3 T4 SOD (U/g) 44.27±0.52Cc 46.64±1.06BCc 50.91±0.45Bb 67.67±1.63Aa 32.38±0.89Dd CAT [μmoL/(min·g)] 594.58±3.27Bb 596.28±1.78Bb 646.78±6.26Aa 653.54±3.60Aa 602.30±3.34Bb POD [ΔOD470/(min·g)] 31.05±1.39Aa 15.40±0.49Cc 21.38±0.53Bb 10.62±0.18Dd 5.47±0.11Ee GSH-Px [nmol/(min·g)] 2 470.44±20.10Bb 2 491.48±27.13Bb 2 536.59±57.43Bb 2 694.56±80.05ABa 2 780.38±12.27Aa