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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/57596
Title: A critical cross-species comparison of pollen from Nelumbo nucifera gaertn. vs. Nymphaea lotus L. for authentication of thai medicinal herbal tea
Authors: Duangjai Tungmunnithum
Sullivan Renouard
Samantha Drouet
Jean Philippe Blondeau
Christophe Hano
Université de Bordeaux
CRMHT Centre de Recherches sur les Matériaux à Haute Température
Universite d'Orleans
Mahidol University
CNRS GDR3711
Keywords: Agricultural and Biological Sciences;Environmental Science
Issue Date: 1-Jul-2020
Citation: Plants. Vol.9, No.7 (2020), 1-14
Abstract: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. “Bau Luang” or Nelumbo nucifera Gaertn. is an aquatic medicinal herb that has been used as a component of traditional medicines, medicinal products, and herbal tea for good health, particularly in Asia. The stamen of N. nucifera is an important part of this medicinal plant that is used in the form of dried and/or powdered stamens for herbal tea as well as the main ingredient of some traditional remedies. However, there is another aquatic herb called “Bau Sai” or Nymphaea lotus L. that is distributed in similar locations. Living plants of these two aquatic species may be classified according to their morphology, but the dried and powdered stamens of these two medicinal species are difficult to distinguish. The major reason of adulteration is the higher price of Bau Luang stamen. As a result, various methods of authentication, such as pollen micromorphology evaluation using scanning electron microscopy (SEM) analysis, bioinformatics analysis of two nuclear and plastic DNA markers, phytochemical stamen profiling, and Fourier transform infrared (FTIR) analysis of stamen plant material authentication from Bau Luang and Bau Sai, have been used in this present research in order to avoid some adulteration and/or misuse between the dried stamens of Bau Luang and Bau Sai. These results showed that the micro-morphology of pollen (size of pollen grain, number of apertures, and surface ornamentation) from the SEM analysis, some phytochemical compounds and the FTIR sporopollenin-to-protein ratio signal analysis are potential tools for authentication and identification of these two medicinal plants from their dried-stamen materials. This model of investigation may also be used to distinguish dried plant material from other problematic plant groups.
URI: http://repository.li.mahidol.ac.th/dspace/handle/123456789/57596
metadata.dc.identifier.url: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85088561197&origin=inward
ISSN: 22237747
Appears in Collections:Scopus 2020

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