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Plant metabolomics for studying the effect of two insecticides on comprehensive constituents of Lonicerae Japonicae Flos / 中国天然药物
Chinese Journal of Natural Medicines (English Ed.) ; (6): 70-80, 2021.
Article in English | WPRIM | ID: wpr-881050
ABSTRACT
Pesticides' overuse and misuse have been reported to induce ingredient variations in herbal medicine, which is now gaining attention in the medicinal field as a form of alternative medicine. To date, available studies on pesticide-induced ingredient variations of herbal medicine are limited only on a few compounds and remain most others unexamined. In this study, a plant metabolomics-based strategy was performed to systematically explore the effects of two frequently used insecticides on the comprehensive constituents of Lonicerae Japonicae Flos (LJF), the flower buds of Lonicera japonica Thunb. Field trials were designed on a cultivating plot of L. japonica with controls and treatments of imidacloprid (IMI) and compound flonicamid and acetamiprid (CFA). Unbiased metabolite profiling was conducted by ultra-high performance liquid chromatography/quadrupole-Orbitrap mass spectrometer. After data pretreatment by automatic extraction and screening, a data matrix of metabolite features was submitted for statistical analyses. Consequently, 29 metabolic markers, including chlorogenic acids, iridoids and organic acid-glucosides were obtained and characterized. The relative quantitative assay was subsequently performed to monitor their variations across flowering developments. This is the first study that systematically explored the insecticide-induced metabolite variations of LJF while taking into account the inherent variability of flowering development. The results were beneficial for holistic quality assessment of LJF and significant for guiding scientific use of pesticides in the large-scale cultivation.

Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Chinese Journal of Natural Medicines (English Ed.) Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: English Journal: Chinese Journal of Natural Medicines (English Ed.) Year: 2021 Type: Article