|Table of Contents|

Effects of Se and La on the yield of Agaricus brasiliensis and its heavy metal and amino acid contents(PDF)

Chinese Journal of Applied & Environmental Biology[ISSN:1006-687X/CN:51-1482/Q]

Issue:
2014 06
Page:
1011-1015
Research Field:
Articles
Publishing date:

Info

Title:
Effects of Se and La on the yield of Agaricus brasiliensis and its heavy metal and amino acid contents
Author(s):
JIANG Zhihe LU Cuixiang XIAO Shuxia WANG Yixiang LEI Jingui WENG Boqi
1Soil and Fertilizer Institute, Fujian Academy of Agriculture Science, Fuzhou 350013, China 2Putian Agriculture Science Institute, Putian 351144, China 3Fujian General Station of Technology Popularization for Edible Fungus, Fuzhou 350003, China 4Institute of Agricultural Ecology, Fujian Academy of Agriculture Science, Fuzhou 350013, China
Keywords:
Agaricus brasiliensis Se La yield heavy metals amino acid contents
CLC:
S646.9
PACS:
DOI:
10.3724/SP.J.1145.2014.03022
DocumentCode:

Abstract:
This research aimed to study the effects of different concentrations of Se and La on the yield, contents of heavy metals and various amino acids of Agaricus brasiliensis fruit bodies. The yield, contents of heavy metals and amino acids were measured for A. brasiliensis fruit bodies cultivated with different concentration of Se and La. The yield of fruit body was 1 669.52 g in the mushroom under treatment of Na2SeO3 43.810 mg/kg + LaC13 35.335 mg/kg (B2), significantly higher than that of control. With treatment of Na2SeO3 87.619 mg/kg + LaC13 70.670 mg/kg (B4), there was a significant or very significant decrease in contents of heavy metals including Pb, Cd, Hg and As, with the contents of Pb, Hg and As as 0.86 mg/kg, 0.15 mg/kg and 0.05 mg/kg respectively, meeting the state sanitary standard (GB7096-2003). The treatment of Na2SeO3 43.810 mg/kg + LaC13 35.335 mg/kg (B2) significantly or very significantly increased the contents of flavor amino acids, sweet amino acids, sulphur amino acids and children amino acids. Regression analysis also showed a parabolic relation between the concentration of Se and La and the contents of flavor amino acids, sweet amino acids, aromatic amino acids, branched chain amino acids, children amino acids and essential amino acids in the A. brasiliensis fruit bodies. The results indicated that cultivating A. brasiliensis with certain concentration of Se and La can improve the yield and contents of amino acids and decrease the heavy metal contents in its fruit body.

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Last Update: 2015-01-05