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Experimental Study on the Inhibition of Bacteria and Algae by Jussiaea stipulacea Ohwi Extract

文献类型： 外文期刊

作者： Shi, Yulu 1 ; Zheng, Yao 1 ; Bing, Xuwen 1 ; Yuan, Julin 3 ;

作者机构： 1.Nanjing Agr Univ, Wuxi Fishery Coll, Wuxi, Jiangsu, Peoples R China

2.Chinese Acad Fishery Sci CAFS, Freshwater Fisheries Res Ctr, Key Lab Integrated Rice Fish Farming Ecol, Minist Agr & Rural Affairs, Wuxi, Jiangsu, Peoples R China

3.Minist Agr & Rural Affairs, Key Lab Hlth Freshwater Aquaculture, 999 Hangchangqiao Rd, Huzhou 313001, Zhejiang, Peoples R China

4.Zhejiang Inst Freshwater Fisheries, Key Lab Fish Hlth & Nutr Zhejiang Prov, 999 Hangchangqiao Rd, Huzhou 313001, Zhejiang, Peoples R China

关键词： allelopathic substances; Jussiaea stipulacea Ohwi; erythromycin; florfenicol; bacteriostatic and algal control

期刊名称：NATURAL PRODUCT COMMUNICATIONS （ 影响因子：1.496； 五年影响因子：1.352 ）

ISSN： 1934-578X

年卷期： 2022 年 17 卷 9 期

页码：

收录情况： SCI

摘要： Nowadays, plant allelopathy, as a new type of biological algal and/or bacterial inhibition technology, has attracted extensive attention. Eight substances were isolated and identified from Jussiaea stipulacea Ohwi, and five concentration gradients, as well as a control (0, 1.25, 5, 10, 20, and 50 mg/L) were set, with three parallels in each group, and then sampled and detected at 24, 48, 72, and 96 h. When the concentration was 50 mg/L, the inhibition rate of Anabaena was as high as 74.8%, 69.2%, and 70.7% for ursolic acid, kaempferol, and luteolin, respectively. Streptococcus iniae and Aeromonas hydrophila were cultured to a logarithmic phase, and their final concentrations reached 1000, 500, 250, 125, 62.50, 31.25, 15.63, and 7.81 mu g/mL. Luteolin and gallic acid showed an inhibitory effect on S iniae and A hydrophila at 1000 mu g/mL. We found that allelochemicals also had a certain bacteriostatic effect, among which luteolin has great development potential.

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