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首页> 外文期刊>Brazilian Journal of Microbiology >Improvement of yield of the edible and medicinal mushroom Lentinula edodes on wheat straw by use of supplemented spawn
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Improvement of yield of the edible and medicinal mushroom Lentinula edodes on wheat straw by use of supplemented spawn

机译：利用补充产卵提高麦秸上食用香菇香菇的产量

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The research evaluated the interactions of two main factors (strain / types of spawn) on various parameters with the purpose to assess its effect on yield and biochemical composition of Lentinula edodes fruiting bodies cultivated on pasteurized wheat straw. The evaluation was made with four strains (IE-40, IE-105, IE-124 and IE-256). Different types of spawns were prepared: Control (C) (millet seed, 100%), F1 (millet seed, 88.5%; wheat bran, 8.8%; peat moss, 1.3%; and CaS0(4), 1.3%) and F2 (the same formula as F1, but substituting the wheat bran with powdered wheat straw). Wheat straw was pasteurized by soaking it for 1 h in water heated to 65 °C. After this the substrate (2 kg wet weight) was placed in polypropylene bags. The bags were inoculated with each spawn (5% w/w) and incubated in a dark room at 25 °C. A proximate analysis of mature fruiting bodies was conducted. The mean Biological Efficiency (BE) varied between 66.0% (C-IE-256) and 320.1% (F1-IE-124), with an average per strain of 125.6%. The highest mean BE was observed on spawn F1 (188.3%), significantly different from C and F2. The protein content of fruiting bodies was high, particularly in strain IE-40-F1 (17.7%). The amount of fat varied from 1.1 (F1-IE-40) to 2.1% (F2-IE-105) on dry matter. Carbohydrates ranged from 58.8% (F1-IE-40) to 66.1% (F1-IE-256). The energy value determined ranged from 302.9 kcal (F1-IE-40) to 332.0 kcal (F1-IE-256). The variability on BE observed in this study was significantly influenced by the spawn's formulation and genetic factors of the different strains.
机译：该研究评估了两个主要因素（品系/产卵类型）在各种参数上的相互作用，目的是评估其对巴氏灭菌小麦秸秆上种植的香菇子实体产量和生化组成的影响。用四种菌株（IE-40，IE-105，IE-124和IE-256）进行评估。准备了不同类型的产卵：对照（C）（小米种子，100％），F1（小米种子，88.5％;麦麸，8.8％;泥炭藓，1.3％; CaS0（4），1.3％）和F2 （与F1相同的公式，但用麦秸粉代替麦麸）。将小麦秸秆在加热到65°C的水中浸泡1 h，然后对其进行巴氏消毒。此后，将基板（湿重2 kg）放入聚丙烯袋中。用每个产卵（5％w / w）接种袋，并在25℃的暗室中孵育。对成熟子实体进行了近距离分析。平均生物效率（BE）在66.0％（C-IE-256）和320.1％（F1-IE-124）之间变化，每株平均为125.6％。在产卵F1上观察到最高的平均BE（188.3％），与C和F2显着不同。子实体的蛋白质含量很高，尤其是在IE-40-F1菌株中（17.7％）。脂肪量从干物质的1.1（F1-IE-40）到2.1％（F2-IE-105）不等。碳水化合物的范围为58.8％（F1-IE-40）至66.1％（F1-IE-256）。确定的能量值范围为302.9 kcal（F1-IE-40）至332.0 kcal（F1-IE-256）。本研究中观察到的BE的变异性受到不同菌株的产卵配方和遗传因素的显着影响。

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