Assessment of the Antifungal and Antioxidant Activities of the Seaweeds Collected from the Coast of Atlantic Ocean, Morocco

IF 2.4 Q3 CHEMISTRY, MULTIDISCIPLINARY
N. Bahammou, R. Raja, I. Carvalho, K. Cherifi, H. Bouamama, O. Cherifi
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引用次数: 1

Abstract

Totally seventeen seaweeds (nine Phaeophyceae, six Rhodophyceae and two Ulvophyceae members) were collected from the Atlantic coast of Morocco in order to assess their antifungal and antioxidant activities. The crude methanolic extracts of 30 samples were screened for in vitro antifungal activities against phytopathogenic fungi Botrytis cinerea and Penicillium digitatum that infect fruits and vegetables. The methanolic extracts of Carpodesmia tamariscifolia , Cystoseira humilis , Carpodesmia mediterranea, Sacchoriza polyschides , Bifurcaria bifurcata , Hypnea musciformis and Caulacanthus ustulatus were considerably active against all fungi depending on seasonal variations in the levels of inhibitory activity. B. cinerea was highly sensitive to most algal extracts than P. digitatum . Phytochemical screening revealed that the most active extracts contain alkaloids, polyphenols and tannins. The antioxidant activity of the algae that possessed high antifungal activity was studied. Methanolic extract of C. tamariscifolia contains high phenolic content while the highest content of flavonoids was found in the C. humilis extract. The organic farming in the context of sustainable agriculture may use such natural products for the management of fungal diseases. With respect to such alternative in an integrated crop disease management program, further studies on these seaweeds are needed.
摩洛哥大西洋沿岸海藻的抗真菌和抗氧化活性评价
摘要从摩洛哥大西洋沿岸采集了17种海藻(9种褐藻科、6种红藻科和2种紫藻科),对其抗真菌和抗氧化活性进行了研究。对30份样品的粗甲醇提取物进行了体外抑菌活性筛选,以测定其对果蔬病原菌灰霉病菌(Botrytis cinerea)和指状青霉(Penicillium digitatum)的抑制活性。柽柳carpodesia tamariscifolia, Cystoseira humilis, carpodesia mediterranea, Sacchoriza polyschides, Bifurcaria bifurcata, Hypnea musciformis和Caulacanthus ustulatus的甲醇提取物对所有真菌的抑制活性都有显著的活性,这取决于抑制活性水平的季节变化。对大多数藻类提取物的敏感性均高于指叶假蝇。植物化学筛选表明,最有效的提取物含有生物碱、多酚和单宁。研究了具有高抗真菌活性的藻类的抗氧化活性。柽柳甲醇提取物中酚类物质含量较高,黄酮含量最高。在可持续农业背景下的有机农业可以使用这种天然产品来管理真菌疾病。在作物病害综合治理方案中,需要对这些海藻进行进一步的研究。
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来源期刊
Moroccan Journal of Chemistry
Moroccan Journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
3.40
自引率
9.10%
发文量
0
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