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| 1 | 一株石韦内生真菌S-34的鉴定及其代谢物检测与分析显示文摘以药用植物有柄石韦叶为材料,采用组织块法与微量稀释法分离并筛选出一株具有抑菌活性的内生真菌S-34。经形态学观察、ITS测序与序列比对鉴定内生真菌S-34为链格孢属(Alternaria sp.)。进一步利用GC-MS对其代谢物进行检测与分析,结果显示:内生真菌S-34发酵液乙酸乙酯提取物的抑菌成分主要为氟苯甲酸(20.86%)、苯乙醇(4.89%)、2,3-丁二醇(3.64%),菌体乙酸乙酯提取物的抑菌成分主要为苯甲醛(2.27%)、亚麻醇(2.53%)、亚油酸单甘油酯(1.69%)、亚麻酰氯(9.28%)、反式角鲨烯(7.26%)、麦角甾醇(2.78%)。研究表明,有柄石韦内生真菌S-34的代谢物中蕴藏着较为丰富的抑菌活性物质,是开发天然药物的潜在资源。 | 李姝 李宁浙 陈冲 齐盼盼 宋丽菊 吴道艳 刘明栋 汪学阁 赵建 | 2016 | 中国测试2016，42，5： | 5 |
| 2 | 青藏高原云杉针叶水提物抑菌作用研究显示文摘研究青藏高原若尔盖云杉针叶水提物(NAEPA)的抗菌作用并初步分析其活性成分。NAEPA抗菌活性显著,对供试6种常见的革兰氏阳性和革兰氏阴性病原菌都有较强的抑菌作用和杀菌作用,最小抑菌浓度(MIC)和最小杀菌浓度(MBC)分别为3.8~15 mg/mL和7.5~30 mg/mL。抑菌物质在酸性环境中活性最强,对中性和碱性环境敏感;对121℃高温比较稳定。GC-MS分析表明,有机酸是NAEPA的主要成分;苯甲酸、间羟基苯甲酸、邻苯二酚、角鲨烯和桃金娘烯醇是主要抑菌物质。NAEPA中还含有抗氧化、降血脂以及抗血栓成分。NAEPA具有有效的抑菌物质和各种保健成分,是一种可应用于食品和饲料工业的潜在天然植物防腐剂资源。 | 李珍 林国秀 罗盛莲 游霞 丁聪聪 冯甦 张杰 | 2012 | 中国农业科技导报2012，14，3： | 3 |
| 3 | 红树林真菌Hypocrea lixii VB1的抗癌及抗菌活性(英文)显示文摘AIM:Mangrove is one of the oldest living tree species and its leaves are among the most extensively studied botanicals in use today.Scientific research throughout the world has found evidence to support the fact that its foliar extracts have great potential against human microbial pathogens.This study highlights the isolation of foliar fungi from Rhizophora mucronata,Avicenna officialis and Avicenna marina.METHOD:It was isolated in Sabouroud's Dextrose Agar and mass cultivation was done in Sabouroud's Dex-trose broth.RESULTS:The ethyl acetate extract showed maximum antibacterial activity which inturn checked for different concentra-tion against bacterial pathogens and anticancer activity for Hep2 and MCF7 cell line in vitro.The DNA was isolated from the fungi and the ITS region of 5.8 s RNA was sequenced and assigned to new species as they are separated from the type strains phylogenetic neighbors by sequence similarities.CONCLUSION:This preliminary screening of fungal endophytes revealed their potential to yield potent bioactive compounds for drug discovery programmes. | B.Valentin Bhimba D.A.Agnel Defora Franco Jibi Merin Mathew Geena Mary Jose Elsa Lycias Joel M.Thangaraj | 2012 | 中国天然药物2012，10，1： | 0 |
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