SPECIATION CHANGES OF THREE TOXIC ELEMENTS IN LENTINUS EDODES AFTER DRYING AND SOAKING

被引：8

作者：

Chen, Chen ^{[1
]}

Chen, Guitang ^{[2
]}

Wang, Song ^{[1
]}

Pei, Fei ^{[3
]}

Hu, Qiuhui ^{[1
,3
]}

Zhao, Liyan ^{[1
]}

机构：

[1] Nanjing Agr Univ, Coll Food Sci & Technol, Nanjing 210095, Jiangsu, Peoples R China

[2] China Pharmaceut Univ, Dept Food Qual & Safety, Nanjing 210009, Jiangsu, Peoples R China

[3] Nanjing Univ Finance & Econ, Coll Food Sci & Engn, Nanjing 210046, Jiangsu, Peoples R China

来源：

JOURNAL OF FOOD PROCESSING AND PRESERVATION | 2017年 / 41卷 / 02期

关键词：

ANTIOXIDANT ACTIVITIES; MUSHROOMS; SEDIMENT;

D O I：

10.1111/jfpp.12772

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The speciation of elements is closely related with their biological effects, speciation of three heavy elements in Lentinus edodes were determined by ICP-OES after separation by Tessier sequential extraction procedure. Results showed that total contents were Pb> Cd> Cr both in fresh and dried samples, Cd content in the samples was slightly higher (P< 0.05) than that of GB 2762-2012 (0.5 ug/g). Pb were mainly in the form of the organic in fresh samples, it changed to exchangeable and residual after hot air drying (HD) and freeze drying (FD), respectively. Cd were mainly in the form of water soluble in fresh and HD samples, and exchangeable increased to major species after FD. Cr were mainly in the form of the organic and residual in fresh and FD samples, respectively, it took on a more balanced distribution after HD. After soaking, the forms of water soluble, exchangeable, carbonates bound, iron and manages oxides decreased significantly (P< 0.05).

引用

页数：6

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