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首页> 外文期刊>Applied Microbiology and Biotechnology >Comparative study of mycelia growth and sporophore yield of Auricularia polytricha (Mont.) Sacc on selected palm oil wastes as fruiting substrate
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Comparative study of mycelia growth and sporophore yield of Auricularia polytricha (Mont.) Sacc on selected palm oil wastes as fruiting substrate

机译：以选定的棕榈油废料为结果基质的多毛木耳（Auricularia polytricha（Mont。）Sacc）菌丝体生长和孢子体产量的比较研究

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摘要

The potential for using agricultural and industrial by-products as substrate for the production of the edible mushroom, Auricularia polytricha, was evaluated using several formulations of selected palm oil wastes mixed with sawdust and further supplemented with selected nitrogen sources. The best substrate formulations were sawdust (SD) mixed with oil palm frond (OPF; 90:10) added with 15 % spent grain (SG) and sawdust mixed with empty fruit bunch (EFB; 50:50) added with 10 % spent grain (SG) with mycelia growth rate of 8 mm/day and 7 mm/day respectively. These two substrate formulations were then subjected to different moisture content levels (65 %, 75 % and 85 %). Highest total fresh sporophore yield at 0.43 % was obtained on SD + OPF (90:10) + 15 % SG at 85 % moisture content, followed closely by SD + EFB (50:50) + 10 % SG with 0.40 % total yield, also at 85 % moisture content. Each of the substrate formulations at 85 % moisture content gave the highest biological efficiency (BE) at 288.9 % and 260.7 %, respectively. Both yield and biological efficiency of A. polytricha on these two formulations were almost three times higher when compared to sawdust substrate alone, thus proving the potential of these formulations to improve yield of this mushroom.
机译：通过使用几种精选棕榈油废料与锯末混合并进一步补充精选氮源的配方，评估了使用农业和工业副产品作为底物生产食用菌多头木耳的潜力。最好的基质配方是将木屑（SD）与油棕榈叶（OPF; 90:10）混合并添加15％的废谷物（SG），将木屑与空果束（EFB; 50:50）混合并添加10％的废谷物（SG），菌丝体生长速率分别为8毫米/天和7毫米/天。然后，使这两种底物制剂经受不同的水分含量水平（65％，75％和85％）。 SD + OPF（90:10）+ 15％SG（水分含量为85％）时，最高的新鲜孢子体总产量为0.43％，紧随其后的是SD + EFB（50:50）+ 10％SG，总产率为0.40％水分含量也为85％。水分含量为85％的每种底物制剂的最高生物利用率（BE）分别为288.9％和260.7％。当与单独的锯末基质相比时，在这两种制剂上的多毛土壤曲霉的产量和生物学效率都几乎高出三倍，因此证明了这些制剂改善该蘑菇的产量的潜力。

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