Cytotoxic effects of free fatty acids on phytoplankton algae and cyanobacteria

Wu, Jiunn‐Tzong; Chiang, Yin-Ru; Huang, Wen-Ya; Jane, Wann-Neng

doi:10.1016/j.aquatox.2006.09.011

Cited by 148 publications

(88 citation statements)

References 38 publications

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“…Fatty acids and polyphenols were the main allelochemicals, the inhibition mechanism had been reported in some of the literature [34][35][36][37][38][39][40][41]. Researchers believe that allelochemicals are toxic to phytoplankton, and the toxic effects are multiple.…”

Section: Discussionmentioning

confidence: 99%

“…Researchers believe that allelochemicals are toxic to phytoplankton, and the toxic effects are multiple. For example, Wu et al [34] found that fatty acids primarily affect the plasma membranes, leading to a change in membrane permeability and dissociation of phycobilins from the thylakoids. Severe damage to the plasma membranes would give rise to a disruption of the stressed cells.…”

Section: Discussionmentioning

confidence: 99%

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Composition of Ethyl Acetate Extracts from Three Plant Materials (Shaddock Peel, Pomegranate Peel, Pomegranate Seed) and Their Algicidal Activities

Wang¹,

Kang²,

Zhang³

et al. 2015

Pol. J. Environ. Stud.

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Eutrophication is a worldwide problem in aquatic ecosystems and cyanobacterial blooms can cause severe water quality deterioration due to toxin production, hypoxia, off-flavor problems that lead to illness in animals and humans [1][2][3]. Therefore, the removal of harmful cyanobacterial blooms is a crucial step for the maintenance of safe water supplies and for the safety of aquatic products [4]. Recent years have seen many studies relating to the isolation and identification of allelochemicals from aquatic plants [5][6][7][8], while the algicidal properties of terrestrial plants still get less attention [9]. Up to now, the extracts of many terrestrial plants also show inhibitory effects against cyanobacteria, such as barley straw [10][11][12][13], Chinese traditional medicines [9,14,15], and so on.Pomegranate (Punicagranatum), belonging to the family Punicaceae [16], is one of the oldest edible fruits. It has been cultivated extensively in Mediterranean countries, Iran, India, and to some extent in the U.S. (California), China, Japan, and Russia [17]. Pomegranate peels and seeds Pol. J. Environ. Stud. Vol. 24, No. 4 (2015), 1803-1807 AbstractMany studies have involved the isolation and identification of allelochemicals from aquatic plants, but the algicidal properties of terrestrial plants have received less attention. This study aims to identify allelochemicals of ethyl acetate extracts from three plant materials (shaddock peel, pomegranate peel, pomegranate seed) and to investigate their inhibitory effects on Microcystis aeruginosa. The ethyl acetate extracts of the three plant materials were identified by GC-MS. Finally, 19 kinds of compounds (including organic acids, ester, ketone, sterol, etc.) were obtained and eight kinds of organic acids and N-phenyl-2-Naphthalenamine were proved to be allelochemicals. The inhibitory effects of the ethyl acetate extracts were also explored by M. aeruginosa bioassay. This showed that the inhibition percentages of ethyl acetate extracts of the three plant materials on the growth of M. aeruginosa were 43.9%, 47.5%, and 40.3%, respectively, when the algae were treated at a dosage of 20 mg/L extracts.Keywords: allelopathic effect, shaddock peel, pomegranate peel, pomegranate seed, Microcystis aeruginosa *e-mail: zhanglieyu@163.com **e-mail: shpcheng@foxmail.com DOI: 10.15244/pjoes/36986 as a byproduct of pomegranate processing are about 26-30%, 20% (w/w) of the whole fruit weight, respectively [18,19], and are a good source of secondary products such as tannins, organic acid, polyphenol, and alkaloids [20][21][22]. Shaddock, like other citrus fruits, has a small edible portion and large amounts of waste materials such as peels and seeds, and peels contain considerable phenolic compounds [23]. At present, the polyphenols have shown significant inhibition to the growth of harmful algae. Therefore, these previous results indicate that the shaddock peel, pomegranate peel, and pomegranate seed could be used as an algicide.The objectives of this study are to identify the alle...

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Composition of Ethyl Acetate Extracts from Three Plant Materials (Shaddock Peel, Pomegranate Peel, Pomegranate Seed) and Their Algicidal Activities

Wang¹,

Kang²,

Zhang³

et al. 2015

Pol. J. Environ. Stud.

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“…Glycerides rich in lauric acid are used in the food and chemical industries for the production of flavorings and surfactants, respectively 23 . Wu et al 24 have demonstrated the anti-algal properties of dodecanoic acid, while Bergsson et al 25,26 have reported antibacterial and anti-fungal properties.…”

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confidence: 99%

Marine-friendly antifouling coating based on the use of a fatty acid derivative as a pigment

et al. 2014

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This study was devoted to examining the application of copper dodecanoate as a non-contaminant antifouling pigment due to its low copper content and fatty acid nature. For this purpose, antifouling paints with mono-component epoxy resin and rosin matrixes were formulated, and their antifouling efficiency was evaluated. Before its incorporation into the different formulations, the synthesized pigment was characterized. Immersion tests in a marine environment were carried out for 12 months to evaluate the antifouling efficiency of the developed paints; the results were compared with those from a commercial paint. The antifouling efficiency of the new epoxy formulation was found to be considerably higher than that of the rosin formulation and very similar to that of the commercial paint. Most importantly, the release of copper from the epoxy paint formulated with copper dodecanoate was 73.5% lower than that of the commercial paint, suggesting prolonged activity of the developed paint.

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“…On the other hand, the increased proportion of unsaturated phospholipids made the membrane more vulnerable to oxygen radical attack. Wu et al (2006) stated that fatty acids primarily affected membrane permeability of phytoplankton, but it was unclear whether the damage to membranes resulted from the fatty acid itself or from its oxidized hydroxyl compounds. For exploring the relationship between ROS and membrane damage, the ROS level in M. aeruginosa exposed to PA was determined.…”

Section: Pa Induced the Loss Of Membrane Integritymentioning

confidence: 99%

Effects of pyrogallic acid on Microcystis aeruginosa: oxidative stress related toxicity

Zhang

Gao

et al. 2016

Ecotoxicology and Environmental Safety

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Cytotoxic effects of free fatty acids on phytoplankton algae and cyanobacteria

Cited by 148 publications

References 38 publications

Composition of Ethyl Acetate Extracts from Three Plant Materials (Shaddock Peel, Pomegranate Peel, Pomegranate Seed) and Their Algicidal Activities

Composition of Ethyl Acetate Extracts from Three Plant Materials (Shaddock Peel, Pomegranate Peel, Pomegranate Seed) and Their Algicidal Activities

Marine-friendly antifouling coating based on the use of a fatty acid derivative as a pigment

Effects of pyrogallic acid on Microcystis aeruginosa: oxidative stress related toxicity

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