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摩洛哥产贯叶连翘地上部分精油及提取物的植物化学研究、抗氧化和杀虫活性。

Phytochemical Investigations, Antioxidant and Insecticidal Properties of Essential Oil and Extracts from the Aerial Parts of from Morocco.

机构信息

Laboratory of Molecular Chemistry and Natural Substances, Faculty of Science, Moulay Ismail University, B.P. 11201, Zitoune, Meknes 50050, Morocco.

Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy.

出版信息

Molecules. 2024 Aug 26;29(17):4036. doi: 10.3390/molecules29174036.

DOI:10.3390/molecules29174036
PMID:39274883
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11397698/
Abstract

The essential oil and the aqueous and ethanolic extracts obtained from the aerial parts of cultivated in Morocco were studied for their antioxidant and insecticidal activity against rice weevils (). The total phenolic content of the extracts was determined by a spectrophotometric method and the phenolic compounds were extensively characterized by HPLC-PDA/ESI-MS. To evaluate antioxidant potential, three in vitro assays were used. In the DPPH test, the ethanolic extract was the most active, followed by the aqueous extract and the essential oil. In the reducing power assay, excellent activity was highlighted for both extracts, while in the Fe chelating activity assay, weak activity was observed for both the essential oil and the ethanolic extract and no activity for the aqueous extract. Concerning insecticide activity, the toxicity of the essential oil and the extracts was tested against rice weevils; the lethal concentrations LC and LC were determined, as well as the lethal time required for the death of 50% (LT) and 99% (LT) of the weevils. The essential oil had the highest activity; 100% mortality of was observed around 5, 9, and 8 days for the essential oil and the aqueous and ethanolic extracts, respectively.

摘要

从摩洛哥种植的地上部分提取的精油以及水提物和醇提物,对其抗氧化和杀虫活性进行了研究,以对抗水稻象鼻虫()。通过分光光度法测定了提取物的总酚含量,并通过 HPLC-PDA/ESI-MS 对酚类化合物进行了广泛的表征。为了评估抗氧化潜力,使用了三种体外测定方法。在 DPPH 试验中,醇提物最活跃,其次是水提物和精油。在还原力测定中,两种提取物均表现出优异的活性,而在 Fe 螯合活性测定中,精油和醇提物的活性较弱,水提物则没有活性。关于杀虫活性,对精油和提取物对水稻象鼻虫的毒性进行了测试;确定了致死浓度 LC 和 LC ,以及导致 50%(LT)和 99%(LT)象鼻虫死亡所需的致死时间。精油活性最高;精油、水提物和醇提物对 的致死率分别在 5、9 和 8 天左右达到 100%。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/72264148d7d7/molecules-29-04036-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/b675426ae005/molecules-29-04036-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/e330ee755b71/molecules-29-04036-g002a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/05f641e9353f/molecules-29-04036-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/5dcbb41b596c/molecules-29-04036-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/72264148d7d7/molecules-29-04036-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/b675426ae005/molecules-29-04036-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/e330ee755b71/molecules-29-04036-g002a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/05f641e9353f/molecules-29-04036-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/5dcbb41b596c/molecules-29-04036-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97dc/11397698/72264148d7d7/molecules-29-04036-g005.jpg

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