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Enhancing Nutritional Contents of Lentinus sajor-caju Using Residual Biogas Slurry Waste of Detoxified Mahua Cake Mixed with Wheat Straw

机译:利用排毒麻花饼与麦秸混合沼气渣浆残渣提高香菇的营养含量

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摘要

Residual biogas slurries (BGS) of detoxified mahua cake and cow dung were used as supplements to enhance the yield and nutritional quality of Lentinus sajor-caju on wheat straw (WS). Supplementation with 20% BGS gave a maximum yield of 1155 gkg-1 fruit bodies, furnishing an increase of 95.1% over WS control. Significant increase (p ≤ 0.05) in protein content (29.6-38.9%), sugars (29.1-32.3%) and minerals (N, P, K, Fe, Zn) was observed in the fruit bodies. Principle component analysis (PCA) was performed to see the pattern of correlation within a set of observed variables and how these different variables varied in different treatments. PC1 and PC2 represented 90% of total variation in the observed variables. Moisture (%), lignin (%), celluloses (%), and C/N ratio were closely correlated in comparison to Fe, N, and saponins. PCA of amino acids revealed that, PC1 and PC2 represented 74% of total variation in the data set. HPLC confirmed the absence of any saponin residues (characteristic toxins of mahua cake) in fruit bodies and mushroom spent. FTIR studies showed significant degradation of celluloses (22.2-32.4%), hemicelluloses (14.1-23.1%) and lignin (27.4-39.23%) in the spent, along with an increase in nutrition content. The study provided a simple, cost effective approach to improve the yield and nutritional quality of L. sajor-caju by resourceful utilization of BGS.
机译:排毒的麻花饼和牛粪的残留沼气浆液(BGS)被用作补充剂,以提高麦草(WS)上香菇的产量和营养质量。补充20%的BGS可使最大产量为1155 gkg -1 子实体,比WS对照提高95.1%。在子实体中观察到蛋白质含量(29.6-38.9%),糖(29.1-32.3%)和矿物质(N,P,K,Fe,Zn)的显着增加(p≤0.05)。进行了主成分分析(PCA),以查看一组观察到的变量内的相关模式以及这些不同变量在不同治疗中的变化情况。 PC1和PC2代表了所观察变量总变化的90%。与Fe,N和皂苷相比,水分(%),木质素(%),纤维素(%)和C / N比密切相关。氨基酸的PCA显示,PC1和PC2代表数据集中总变化的74%。高效液相色谱法证实,在子实体和食用过的蘑菇中不存在任何皂苷残留(玛花饼的特征性毒素)。 FTIR研究表明,废料中的纤维素(22.2-32.4%),半纤维素(14.1-23.1%)和木质素(27.4-39.23%)显着降解,并且营养成分增加。该研究提供了一种简单,具有成本效益的方法,可通过对BGS的资源利用来提高L. sajor-caju的产量和营养质量。

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