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白腐菌对玉米秸秆营养价值及抗氧化性能的影响

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  • 1. 中国科学院东北地理与农业生态研究所, 长春 130102;
    2. 中国科学院大学, 北京 100049
王雨琼(1987-),女,吉林长春人,博士研究生,从事反刍动物营养研究。E-mail:wangyuqiong@iga.ac.cn

收稿日期: 2017-05-06

  网络出版日期: 2017-10-31

基金资助

国家重点研发计划项目(2016YFC0500606)

Effects of White Rot Fungi on Nutritional Value and Antioxidant Property of Corn Stover

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  • 1. Northeast Institute of Geography and Agriecology, Chinese Academy of Sciences, Changchun 130102, China;
    2. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2017-05-06

  Online published: 2017-10-31

摘要

本试验旨在研究白腐菌对玉米秸秆营养价值及抗氧化性能的影响。选取4种侧耳属白腐菌,分别为红侧耳(Pleurotus diamor)、金顶侧耳(Pleurotus citrinopileatus)、刺芹侧耳(Pleurotus eryngii)和漏斗状侧耳(Pleurotus sajor caju)。对照组玉米秸秆不接种菌株,试验组玉米秸秆分别接种4种侧耳属白腐菌,每个组设置3个重复,固态发酵20 d,测定发酵物的营养成分含量和体外干物质消化率(IVDMD),并评估其抗氧化性能。结果显示:1)红侧耳组总有机物(TOM)损失率显著高于金顶侧耳组和刺芹侧耳组(P<0.05),漏斗状侧耳组酸性洗涤木质素(ADL)损失率显著高于其他各组(P<0.05),金顶侧耳组纤维素(CL)损失率显著高于刺芹侧耳组和漏斗状侧耳组(P<0.05),金顶侧耳组半纤维素(HC)损失率显著高于其他各组(P<0.05)。2)金顶侧耳组的粗蛋白质(CP)含量显著高于对照组(P<0.05),金顶侧耳组、漏斗状侧耳组和红侧耳组的粗脂肪(EE)含量显著高于对照组(P<0.05),4种白腐菌组的总氨基酸含量显著高于对照组(P<0.05),4种白腐菌组的IVDMD显著高于对照组(P<0.05)。3)4种白腐菌组的1,1-二苯基2-三硝基苯肼(DPPH)自由基清除力、还原力、总抗氧化能力和总酚含量均显著高于对照组(P<0.05)。由此可见,白腐菌预处理的玉米秸秆能提高其IVDMD、CP含量及抗氧化性能,可以作为反刍动物新型饲料资源。

本文引用格式

王雨琼, 周道玮 . 白腐菌对玉米秸秆营养价值及抗氧化性能的影响[J]. 动物营养学报, 2017 , 29(11) : 4108 -4115 . DOI: 10.3969/j.issn.1006-267x.2017.11.033

Abstract

This experiment was conducted to investigate the effects of white rot fungi on nutritional value and antioxidant property of corn stover. Four Pleurotus white rot fungi were selected:Pleurotus diamor, Pleurotus citrinopileatus, Pleurotus eryngii and Pleurotus sajor caju. The corn stover in control group was not inoculated any strain, and corn stover in experimental groups was inoculated 4 kinds of Pleurotus white rot fungi, each group contained 3 replicates, solid-state fermented for 20 days. Some parameters including nutrient component content, in vitro dry matter digestibility (IVDMD) of corn stover and antioxidant property were studied. The results showed as follows:1) the total organic matter (TOM) loss rate of Pleurotus diamor group was significantly higher than that of Pleurotus citrinopileatus and Pleurotus eryngii groups (P<0.05), the acid detergent lignin (ADL) loss rate of Pleurotus sajor caju group was significantly higher than that of other groups (P<0.05), the cellulose (CL) loss rate of Pleurotus citrinopileatus group was significantly higher than that of Pleurotus eryngii and Pleurotus sajor caju groups (P<0.05), the hemicelluloses (HC) loss rate of Pleurotus citrinopileatus group was significantly higher than that of other groups (P<0.05). 2) The crude protein (CP) content of Pleurotus citrinopileatus group was significantly higher than that of control group (P<0.05), the ether extract (EE) content of Pleurotus citrinopileatus, Pleurotus sajor caju and Pleurotus diamor groups was significantly higher than that of control group (P<0.05), the total amino acid content of 4 kinds of white rot fungi groups was significantly higher than that of control group (P<0.05), the IVDMD of 4 kinds of white rot fungi groups was significantly higher than that of control group (P<0.05). 3) The 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical cleaning capacity, reducing power, total antioxidant capacity and total phenolic content of 4 kinds of white rot fungi groups was significantly higher than that of control group (P<0.05). In conclusion, white rot fungi pretreatment with corn stover can improve the IVDMD, CP content and antioxidant property of corn stover, and it can be used as a novel feed resource for ruminant animals.

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