This research aimed to study the selenium-enriched Lentinus edodes. Taking sodium selenite as the source of selenium, different selenium concentrations were used to cultivate Lentinus edodes. The distribution of selenium in Lentinus edodes was investigated. According to the amino acid balance theory, the nutrition value of selenium-riched Lentinus edodes in terms of protein was evaluated. The results showed that with the concentration of exogenous selenium increased, the concentration of selenium in Lentinus edodes was significantly improved. When the concentration of sodium selenite was 100 mg/kg, the selenium concentration of Lentinus edodes cultivated could reach to 225.13 mg/kg. Protein was the main organic carrier of selenium in Lentinus edodes. When comparing Lentinus edodes cultivated under different selenium concentrations, it was found that at the concentration of 60 mg/kg, the amino acid contents, chemical score, amino acid index, biological valence, and nutritional index were 5.49%, 1.78%, 4.59%, 5.41% and 6.51%, respectively. This showed that the selenium-riched culture can enhance the nutritional value of Lentinus edodes in terms of its protein.
LIU Wenling
,
GANG Jie
,
XIE Bin
,
LIU Yujun
,
LAN Xiaoyong
,
HAN Lin
,
CHEN Taotao
,
PANG Shilei
,
DENG Haiping
. The distribution of selenium in Lentinus edodes and evaluation of its nutrient value of protein[J]. Food and Fermentation Industries, 2019
, 45(2)
: 101
-106
.
DOI: 10.13995/j.cnki.11-1802/ts.017416
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