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Effects of selenium application on Se content and speciation in Lentinula edodes

机译:硒对香菇中硒含量和形态的影响

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摘要

Edible fungi have strong ability to transform inorganic Se into organic forms. Therefore, different concentrations of selenite, selenate and Se-yeast were injected as Se-supplements into substrates to produce Se-enriched Lentinula edodes. The Se content and its speciation distribution in the fruit bodies of L. edodes were analysed at different harvest times. Results indicate that Se concentrations of L. edodes increased first and then decreased over time. Based on Se accumulation in L. edodes, selenium use efficiency was ranked as selenite selenate Se-yeast. SeMet was the predominant Se speciation in the fruit bodies of L. edodes. SeMet made up the biggest proportion of total Se content and increased with application time for selenite and selenate treatments, whereas no significant change was found for Se-yeast treatment. This study demonstrates that Se-enriched L. edodes is a good source of dietary Se.
机译:食用真菌具有将无机硒转化为有机形式的强大能力。因此,将不同浓度的亚硒酸盐,硒酸盐和硒酵母作为硒补充剂注入基质中,以生产富硒香菇。分析了不同收获时间香菇子实体中硒的含量及其形态分布。结果表明,香菇中硒的含量随时间先升高,然后降低。根据香菇中硒的积累,硒的利用效率为亚硒酸盐>硒酸盐>硒酵母。 SeMet是香菇的子实体中主要的Se形态。 SeMet占总Se含量的最大比例,并随着亚硒酸盐和硒酸盐处理的施用时间增加而增加,而Se-酵母处理没有发现显着变化。这项研究表明,富硒的香菇是饮食中硒的良好来源。

著录项

  • 来源
    《Food Chemistry》 |2018年第1期|182-188|共7页
  • 作者单位

    Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China;

    Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China;

    Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China;

    Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China;

    Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China;

    Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China;

    Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Lentinula edodes; Selenium concentration; Speciation; Organic selenium;

    机译:香菇;硒浓度;形态;有机硒;
  • 入库时间 2022-08-17 23:20:03

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