| Title: | Identification of allelochemicals from pomegranate peel and their effects on Microcystis aeruginosa growth |
| Author(s): | Chen L; Wang Y; Shi L; Zhao J; Wang W; |
| Address: | "School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, China. Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, China. Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, Xi'an University of Architecture and Technology, Xi'an, 710055, China. School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, China. wangyi1003@sina.com. College of Chemistry & Materials Science, Northwest University, Xi'an, 710069, China" |
| Journal Title: | Environ Sci Pollut Res Int |
| DOI: | 10.1007/s11356-019-05507-1 |
| ISSN/ISBN: | 1614-7499 (Electronic) 0944-1344 (Linking) |
| Abstract: | "This paper studied the inhibitory effect of pomegranate peel (PP) extract on the growth of Microcystis aeruginosa, the model of harmful algal blooms in aquatic environment. The allelochemicals were identified by HPLC-MS/MS from PP and tested by batch experiment through measurement of algal density, chlorophyll a (Chl-a) concentration, maximum quantum yield of photosystem II (Fv/Fm), superoxide dismutase (SOD), and malondialdehyde (MDA) contents. Results showed that both PP powder and PP extract had obvious inhibitory effect on M. aeruginosa growth. Quercetin and luteolin were identified as the allelochemicals to M. aeruginosa growth. However, the inhibitory capacity of luteolin was stronger than that of quercetin. The growth inhibition ratio of luteolin can reach up to 98.7 and 99.1% of the control on day 7 at the dosages of 7 and 10 mg/L, respectively. Moreover, the changes of Chl-a, Fv/Fm, SOD, and MDA in M. aeruginosa confirmed jointly that the allelochemicals cause inhibition of photosystem and oxidative damage to M. aeruginosa cells with the antioxidant defense system being activated, which leads to the aggravation of membrane lipid peroxidation. Thus, luteolin could be used as a promising algaecide for emergency handling of M. aeruginosa blooms. This study might provide a new direction in the management of eutrophication in the future" |
| Keywords: | Antioxidants/*pharmacology Chlorophyll A/*chemistry Harmful Algal Bloom/*drug effects Lythraceae Malondialdehyde/chemistry/*pharmacology Microcystis/*drug effects Oxidation-Reduction Pheromones/*pharmacology Photosystem II Protein Complex/*chemistry/metab; |
| Notes: | "MedlineChen, Linfeng Wang, Yi Shi, Lulu Zhao, Jingchan Wang, Wenhuai eng 2016JZ019/Shaanxi Provincial Natural Science Foundation Research Key Project/ 21677115/the National Natural Science Foundation of China/ Germany 2019/06/04 Environ Sci Pollut Res Int. 2019 Aug; 26(22):22389-22399. doi: 10.1007/s11356-019-05507-1. Epub 2019 Jun 1" |
