Phenolic profile and biopesticidal potential of Moringa oleifera extracts: antioxidant and insecticidal activities against stored pests.

IF 1.9 4区医学 Q3 ENVIRONMENTAL SCIENCES International Journal of Environmental Health Research Pub Date : 2025-11-01 Epub Date: 2025-04-02 DOI:10.1080/09603123.2025.2486596

Olfa Bachrouch, Jazia Sriti, Youkabed Zarroug, Houwaida Nefzi, Kamel Mssada, Noura Maamouri, Manel Laajili, Saoussen Selmi, Manef Abderraba

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Abstract

This study investigated the phenolic composition of Moringa oleifera organ extracts via RP-HPLC. In addition, their antioxidant and insecticidal potential were assessed. Polyphenols, flavonoids and condensed tannin levels depend on the different plant parts. Phenolic composition was distinguished by the presence of quercetin-3-O-galactoside as the major compound with high insecticidal activity due to their phenolic composition. So, repellent proprieties against two stored pest species Tribolium castaneum and Sitophilus oryzae without food substrate were assessed. In addition, contact toxicity toward T. castaneum with wheat flour substrate was investigated. The repulsive dose of Moringa extracts from different morphological organs was more marked for leaves compared to stems, seeds and flowers with the lowest repulsive dose (RD₅₀ = 0.069 µl/cm²) for T. castaneum. Moreover, M. oleifera MeOH extracts from different morphological organs exhibited a contact toxicity potential against T. castaneum with and without wheat flour substrate. MeOH extracts of M. oleifera from leaves caused the highest mortality percentages (83.33%) after 48 h of exposure for both concentrations of 0.9 and 1.9 µl/cm² towards T. castaneum on wheat flour substrate. To reduce pesticide, Drumstick could offer an effective protection to T. castaneum and S. oryzae.

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辣木提取物的酚类特征和生物杀虫潜力：抗氧化和杀虫活性。

本研究通过 RP-HPLC 法研究了油杉器官提取物的酚类成分。此外，还评估了它们的抗氧化和杀虫潜力。多酚、类黄酮和缩合单宁的含量取决于植物的不同部位。由于酚类成分的存在，槲皮素-3-O-半乳糖苷是具有高杀虫活性的主要化合物。因此，在没有食物基质的情况下，对两种贮藏害虫Tribolium castaneum和Sitophilus oryzae的驱虫特性进行了评估。此外，还研究了桑叶提取物对以小麦粉为基质的蓖麻鳞虫的接触毒性。与茎、种子和花相比，不同形态器官的辣木提取物对叶的驱避剂量更明显，对蓖麻的驱避剂量最低（RD50 = 0.069 µl/cm2）。此外，从不同形态器官中提取的油橄榄MeOH萃取物在添加或不添加小麦粉基质的情况下都表现出了对蓖麻的接触毒性潜力。油橄榄叶片的 MeOH 提取物在 0.9 和 1.9 µl/cm2 的浓度下接触小麦粉基质 48 小时后，对蓖麻毒蛾的致死率最高（83.33%）。为了减少杀虫剂的用量，鼓槌可以有效地保护蓖麻根瘤菌和 S. oryzae。

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来源期刊

International Journal of Environmental Health Research 医学-公共卫生、环境卫生与职业卫生

CiteScore

6.70

自引率

3.10%

发文量

134

审稿时长

>12 weeks

期刊介绍： International Journal of Environmental Health Research ( IJEHR ) is devoted to the rapid publication of research in environmental health, acting as a link between the diverse research communities and practitioners in environmental health. Published articles encompass original research papers, technical notes and review articles. IJEHR publishes articles on all aspects of the interaction between the environment and human health. This interaction can broadly be divided into three areas: the natural environment and health – health implications and monitoring of air, water and soil pollutants and pollution and health improvements and air, water and soil quality standards; the built environment and health – occupational health and safety, exposure limits, monitoring and control of pollutants in the workplace, and standards of health; and communicable diseases – disease spread, control and prevention, food hygiene and control, and health aspects of rodents and insects. IJEHR is published in association with the International Federation of Environmental Health and includes news from the Federation of international meetings, courses and environmental health issues.