服務熱線
13338170316
更新時間:2010-02-15 瀏覽次數:1119
將鏈霉菌 Streptomyces sp .NJwGY3665 菌種接到葡萄糖0.5%,牛(niu)肉膏(gao) 0.5 %,蛋白胨(dong) 0.5%,NaCl0.5%,瓊脂
1.5%、水(shui) 96.5%,pH6.0的(de)葡(pu)萄糖(tang)營養(yang)(yang)(yang)(yang)(yang)(yang)培(pei)養(yang)(yang)(yang)(yang)(yang)(yang)基中(zhong)(zhong),進行斜(xie)面培(pei)養(yang)(yang)(yang)(yang)(yang)(yang),在(zai)28℃下(xia)培(pei)養(yang)(yang)(yang)(yang)(yang)(yang) 2天(tian)。取斜(xie)面菌(jun)種(zhong)(zhong),加入(ru)(ru)2~3ml無(wu)菌(jun)水(shui)(每18×180mm的(de)試管(guan)斜(xie)面菌(jun)種(zhong)(zhong)),用(yong)接種(zhong)(zhong)環輕(qing)輕(qing)將(jiang)(jiang)菌(jun)苔(tai)洗(xi)下(xia),制成孢子(zi)懸液(ye)(ye),取 0.5ml孢子(zi)懸液(ye)(ye)接種(zhong)(zhong)到(dao)含(han) 40ml葡(pu)萄糖(tang) 1.0%,玉(yu)米漿(jiang) 3%,CaCO31%、酵(jiao)(jiao)(jiao)母(mu)膏 0.5%、 NaCl0.1%、水(shui) 94.4%,pH7.0的(de)液(ye)(ye)體(ti)(ti)種(zhong)(zhong)子(zi)培(pei)養(yang)(yang)(yang)(yang)(yang)(yang)基中(zhong)(zhong)培(pei)養(yang)(yang)(yang)(yang)(yang)(yang) 3天(tian),培(pei)養(yang)(yang)(yang)(yang)(yang)(yang)溫度(du)為(wei) 28℃,轉速(su)(su)為(wei) 200rpm。再將(jiang)(jiang) 5ml種(zhong)(zhong)子(zi)液(ye)(ye)接入(ru)(ru)到(dao)裝液(ye)(ye)量為(wei)100ml含(han)有(you)(you)葡(pu)萄糖(tang) 4.0%,淀(dian)粉(fen) 2.0%,玉(yu)米漿(jiang) 2.0%、酵(jiao)(jiao)(jiao)母(mu)膏 0.1%、黃豆餅粉(fen) 2%、NaCl0.5%、CaCO31.5%、 NH4Cl0.5%、磷酸二氫鉀 0.2%、硫酸銨(an) 0.3%、水(shui) 86.9%的(de)發酵(jiao)(jiao)(jiao)培(pei)養(yang)(yang)(yang)(yang)(yang)(yang)集中(zhong)(zhong),在(zai)28℃,180rpm,pH6.0的(de)條件下(xia)搖(yao)床發酵(jiao)(jiao)(jiao)培(pei)養(yang)(yang)(yang)(yang)(yang)(yang) 5天(tian),獲得(de)含(han)有(you)(you)恩(en)拉霉素(su)的(de)菌(jun)絲體(ti)(ti),將(jiang)(jiang) 1g發酵(jiao)(jiao)(jiao)后的(de)菌(jun)絲體(ti)(ti),用(yong)去離子(zi)水(shui)清洗(xi),懸浮在(zai) 30mL乙醇中(zhong)(zhong),乙醇的(de)體(ti)(ti)積分數為(wei) 70%,pH為(wei) 4.5,用(yong) KQ-100型超(chao)聲機進行微生物(wu)細(xi)胞破碎 15min,得(de)到(dao)含(han)有(you)(you)恩(en)拉霉素(su)的(de)混(hun)合(he)物(wu),將(jiang)(jiang)破碎后的(de)混(hun)合(he)物(wu)用(yong) HYG-Ⅱa型搖(yao)瓶柜振蕩(調節(jie)搖(yao)瓶柜的(de)溫度(du)和轉速(su)(su)分別為(wei) 15℃,180rpm)提取
1小時(shi),得(de)到含(han)有(you)恩(en)拉(la)(la)霉(mei)(mei)素(su)的提(ti)(ti)取(qu)液,然后將含(han)有(you)恩(en)拉(la)(la)霉(mei)(mei)素(su)的提(ti)(ti)取(qu)液在 1500r/min的轉速(su)下離心15min,收集含(han)有(you)恩(en)拉(la)(la)霉(mei)(mei)素(su)的上清(qing)液,將上清(qing)液在 30℃下減壓濃(nong)縮(suo)至(zhi)無液體,得(de)到恩(en)拉(la)(la)霉(mei)(mei)素(su)粗提(ti)(ti)品(pin)。
將大孔樹脂按照(zhao)常(chang)規處理方(fang)法進行預處理后,裝入帶(dai)有恒(heng)溫保護套的玻璃柱子(zi),用氯(lv)化鈉(na)濃度(du)為(wei) 0.09mol/L及甲(jia)醇(chun)(chun)體(ti)積分數為(wei) 70%的甲(jia)醇(chun)(chun)水溶(rong)液以 60mL/h的速度(du)泵入柱子(zi)來完成平(ping)衡(heng)。恩拉霉(mei)素的粗(cu)提品溶(rong)解在(zai) 10mL乙(yi)醇(chun)(chun)中,放在(zai)柱子(zi)的頂端(duan),靜止吸附 2小時,用0.5L的洗(xi)脫劑(甲(jia)醇(chun)(chun)/氯(lv)化鈉(na)濃度(du)為(wei)0.09mol/L及甲(jia)醇(chun)(chun)體(ti)積分數為(wei) 70%的甲(jia)醇(chun)(chun)水溶(rong)液的體(ti)積比為(wei) 1:9)梯度(du)洗(xi)脫,將洗(xi)脫液用旋轉真空蒸發器減(jian)壓濃縮蒸干,產率達到 60%。
我公司其它相關產品介紹:, , , 。
掃一掃
歡迎(ying)關注我(wo)們網站平臺(tai)
名稱:常(chang)州丹瑞實驗儀器(qi)設(she)備有限公司
電話(hua):0519-82313965
傳(chuan)真:86-0519-82334624
郵編:213200