作者：花纪,颜俊清,霍光华,张诚,胡殿明,刘英杰,吴鑫
单位：<sup class=\mag-xml-aff-label-sup added-by-sys\>1.</sup> 江西农业大学生物科学与工程学院 江西省菌物资源保护与利用重点实验室 江西 南昌 330045,<sup class=\mag-xml-aff-label-sup added-by-sys\>2.</sup> 江西省农业科学院农业应用微生物研究所 江西 南昌 330200
关键词：液体菌种,后续发酵,发酵产活性物质
基金：国家自然科学基金（31560574）；江西省自然科学基金（20171ACB20014）；江西省现代农业产业技术体系（JXARS-20）；江西省研究生创新专项资金（YC2017-S191）()
裸脚菇0612-9次级代谢产物具有强烈抗青绿霉活性,可作为微生物源防腐剂用于柑橘保藏,但是其发酵周期长,产出能耗大效率低。用摇瓶对裸脚菇0612-9的液体菌种培养基、培养条件进行优化并对优化后液体菌种接种种龄、接种量进行探索,最后用5L发酵罐进行放大发酵验证。取样计数测定菌丝球数量、过滤称重测定菌丝干重、HPLC监测活性物质Ⅱ的积累、牛津杯法评价抗青绿霉活性。经研究最佳碳源为玉米粉和麦芽糖,最佳氮源为蛋白胨,最佳液体菌种培养基组成为：玉米粉30g/L、麦芽糖10g/L、蛋白胨15g/L、KH2PO4 2g/L、MgSO4·7H2O 1g/L;最佳培养条件：起始pH 5、接种3×Ф7mm菌块、装液量100mL/250mL三角瓶、温度28℃、转速160r/min;优化前菌丝球数46个/10mL,菌丝干重0.28g/100mL,优化后菌球数达985个/10mL,菌丝干重达0.69g/100mL,分别为优化前的21.4倍、2.43倍;后续发酵使用种龄9d的液体菌种、接种量7.5%。优化后液体菌种在发酵罐中后续发酵周期从10d缩短至5d,缩短50%,产量比优化前提高8.28%。"/>template{display:none;}.mag-rich-xref-fn { cursor: pointer;}//长视频$(document).ready(function(){if($("#showLongArticleVideo") && $("#showLongArticleVideo").length && $("#showLongArticleVideo").length>0){mag_ajax_update({ele_id:'showLongArticleVideo',url:mag_currentQikanUrl() + "/CN/article/showLongArticleVideo.do?id="+$("#articleId").val()});}});//可视化图谱$(document).ready(function(){if($("#showArticle_knowledgeMap") && $("#showArticle_knowledgeMap").length && $("#showArticle_knowledgeMap").length>0){jQuery.getJSON("/Jwxb/CN/lexeme/existsCnctstInArticle.do?articleID="+$("#articleId").val(), null, function(json){if(json.result){$("#showArticle_knowledgeMap").show();}});}});$(document).ready(function(){var metaDataStr = $.trim($("#article_metaJson").val());if(metaDataStr!=''){eval("window.metaData="+metaDataStr);}if(window.metaData && (!window.metaData.authorNotesCommon_cn && !window.metaData.authorNotesCorresp_cn && window.metaData.authorNotes_cn)){window.metaData.authorNotesCommon_cn = window.metaData.authorNotes_cn;}if(window.metaData && (!window.metaData.authorNotesCommon_en && !window.metaData.authorNotesCorresp_en && window.metaData.authorNotes_en)){window.metaData.authorNotesCommon_en = window.metaData.authorNotes_en;}var _nlmdtdXml = $("#article_nlmdtdXml").val();var magDir = _nlmdtdXml.replace(/\/[^\/]+$/,'');window.metaData.magDir = magDir;new mag_vue({ el: '#metaVue', //dataUrl: mag_currentQikanUrl() + '/EN/article/getRichHtmlJson.do?articleId='+$("#articleId").val(), data:window.metaData, loading:true, doTextFun:function(text){ return doDataJsonText(text); 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来源：2019年第6期
《菌物学报》期刊编辑部
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