Studies on the SeIenium Type and Metabolism of Selenium Accumulation in the Selenium-Enriched Mushroom, Flammulina Velutipes, and Its Spent Mushroom Composts
2005
Lee, S.H. (Korea National Agricultural College, Suwon, Republic of Korea) | Kwak, W.S. (Konkuk University, Seoul, Republic of Korea) | Kim, W.Y. (Korea National Agricultural College, Suwon, Republic of Korea), E-mail: [email protected]
This study was conducted to determine the total amount and type of selenium (Se) in the Se-enriched mushroom and its spent mushroom composts (SMC), and to investigate the metabolism in relation to Se accumulation in the mushroom. Mushrooms, Flammulina velutipes, used in this study were grown for 60days by adding 2 mg of inorganic Se (Na₂SeO₃) per kg of mushroom composts (MC) on as-fed basis and were compared with normal mushrooms grown on the non Se-supplemented MC. Total Se contents for Se-treated mushrooms were significantly increased (P less than 0.0001) by 20-fold (4.51 ㎍/g of dry) compared to Se-untreated (0.23 ㎍/g of dry).
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