Chitin content of cultivated mushrooms Agaricus bisporus, Pleurotus ostreatus and Lentinula edodes

被引:119
作者
Vetter, Janos [1 ]
机构
[1] Szent Istvan Univ, Fac Vet Sci, Dept Bot, H-1400 Budapest, Hungary
关键词
chitin; fruit body; pileus; stipe; Agaricus bisporus; Pleurotus ostreatus; Lentinula edodes;
D O I
10.1016/j.foodchem.2006.01.037
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The chitin contents of pileus and stipes of fruit bodies of Agaricus bisporus, Pleurotus ostreatus and Lentinula edodes (shii take) were determined and compared. The fruit bodies of different, common varieties of the cultivated mushroom species were taken from Hungarian and German large-scale farming. The analytical procedure was carried out on the powder of cleaned, dried and milled pileus and stipes. The pileus of A. bisporus variety 'K-23' showed a significant decrease (p < 0.05) during the cultivation's flushes (breaks), 1-3, while the chitin level of stipes seemed to be constant. The other analysed A. bisporits varieties (var. '158', 'K-7', 'Sylvan A-15', 'Sylvan 608', and Le Lion C-9) had practically the same chitin levels. This indicates that the chitin content is a stable characteristic of the species and there are no significant differences between the different varieties. The chitin levels of pileus and stipes were not significantly different (for A. bisporus, 6.68 and 7.25) but showed significant differences for P. ostreatus (p < 0.05) and L. edodes (p < 0.001). In the case of the latter two species, the pileus had the higher and the stipe the lower chitin content. The presented data confirm that a mushroom saprotrophic (A. bisporus) had higher chitin level than had the wood-rotting ones (P. ostreatus, L. edodes). (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:6 / 9
页数:4
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