[1]阮祥稳,任平.黑曲霉降解石榴皮单宁培养条件的研究黑曲霉降解石榴皮单宁培养条件的研究[J].西北林学院学报,2009,24(02):101-104.
 RUAN Xiang wen,REN Ping.Degradation of the Tannin of Punica granatum Peel by Aspergillus niger[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2009,24(02):101-104.
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黑曲霉降解石榴皮单宁培养条件的研究黑曲霉降解石榴皮单宁培养条件的研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第24卷
期数:
2009年02期
页码:
101-104
栏目:
森林资源与保护
出版日期:
2009-03-30

文章信息/Info

Title:
Degradation of the Tannin of Punica granatum Peel by Aspergillus niger
作者:
阮祥稳 任平
(陕西省科学院 酶工程研究所,陕西 西安 710600)
Author(s):
RUAN Xiangwen REN Ping
(Institute of Enzyme Engineering Shaanxi Academy of Sciences, Xi'an, Shaanxi 710600, China)
关键词:
黑曲霉单宁降解
Keywords:
Aspergillus niger tannin degradation
分类号:
S763.15
文献标志码:
A
摘要:
通过考察温度、时间、pH、装液量等外界条件对菌株降解单宁的影响,同时进行外加碳源、氮源及碳氮比的选择,以提高菌株对单宁的降解能力。结果表明,黑曲霉降解石榴皮单宁适宜的降解条件为28~30℃、pH6.5 、500 mL三角瓶中装入100 mL培养液,120 r·min-1摇床培养6 d。外加碳源、氮源有利于单宁降解率的提高以蔗糖为碳源、硝酸钠为氮源,碳氮比为10∶1时,单宁的降解率及COD去除率最高。7#菌株的单宁降解率最高为45.2%,COD去除率为30.9%,通过对菌株进行驯化,COD去除率比初筛时提高了49%。
Abstract:
Factors influencing the degradation of tannins from Punica granatum peel by Aspergillus niger was investigated such as temperature, time, pH, amount of loading, type of carbon and nitrogen rources as well as their combination proportions. The results were as follows: carbon and nitrogen sources: sugar and NaNO4 with a ratio of 10∶1, 28~30℃, pH:6.5, 100 mL medium volume in 250 mL triangle flask bulk, 120 r·min-1 to degrade for 6 days. The degradation rate and the COD removal rate of strain NO.7 the highese 45.2% and 30.9% respectively. COD removal rate increased by 49% compared with the initial screening stage.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:20080507修回日期:20080527基金项目: 陕西省科学院科技计划项目“石榴皮单宁降解菌的筛选与鉴定”(2005K33)。作者简介:阮祥稳,男,学士,助理研究员,主要从事微生物资源的应用开发。
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