Lippia integrifolia: Are there morphological, anatomical and biochemical differences among chemotypes?

Mercado, María Inés; Lizarraga, Emilio Fernando; Araoz, Victoria Coll; Catalán, César A.N.; Valdez, Graciela Font de; Marcial, Guillermo

doi:10.1016/j.indcrop.2020.112610

Cited by 5 publications

(1 citation statement)

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“…In previous studies, chemotypes have been applied to plants, such as Mentha spicata (Edris et al., 2003), Lippia integrifolia (Marcial et al., 2016), Murraya koenigii (Rao et al., 2011), and Juniperus phoenicea (Badawy et al., 2017). Moreover, anatomical differences exist among diverse chemotypes of plants (Mercado et al., 2020). Microhistochemistry is an effective tool for observing the dynamic changes of plant cell metabolism, and the structural and developmental characteristics of cells are closely related to the accumulation of active ingredients.…”

Section: Introductionmentioning

confidence: 99%

Chemical composition, chemotypic characterization, and histochemical localization of volatile components in different cultivars of Zanthoxylum bungeanum Maxim. leaves

Hou

et al. 2023

Journal of Food Science

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Zanthoxylum bungeanum Maxim., an important spice plant, is rich in volatile components and has formed several cultivars in China. Genetic variation among different cultivars has significant effects on volatile components. In this study, a total of 52 volatile compounds were detected from 11 cultivars of Z. bungeanum, among which palmitic acid, (+)-limonene, phytol, β-caryophyllene, and terpinyl acetate were screened as characteristic compounds, with palmitic acid and phytol contributing the most to the volatile composition. Combined with the results of chemometric and content analyses, three Z. bungeanum chemotypes were identified: (+)-limonene, β-caryophyllene + terpinyl acetate, and palmitic acid + phytol. In addition, the dynamics of the accumulation of its main components were explored, and the optimal harvest period for Z. bungeanum leaves (late July or early August) was clarified. Moreover, histochemical analysis results showed that terpenoids were mainly accumulated in the oil cells of Z. bungeanum leaves, and there were some differences in the number of oil cells in different chemotypes of Z. bungeanum, which might affect the yield and quality of volatile components. The results showed that the differences of chemical composition among diverse chemotypes of Z. bungeanum might be an important factor leading to the quality differences of the same planting resources. Accordingly, the study on the classification of Z. bungeanum chemotypes and the accumulation patterns of major chemical components is of great theoretical significance and practical value as a favorable guarantee for the development and utilization of Z. bungeanum resources and quality control.

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