Benefits and Limitations of DNA Barcoding and Metabarcoding in Herbal Product Authentication

Overview

Journal Phytochem Anal

Publisher Wiley

Specialties Biology
Chemistry

Date 2017 Sep 15

PMID 28906059

Citations 69

Authors

Ancuta Cristina Raclariu

Michael Heinrich

Mihael Cristin Ichim

Hugo de Boer

Affiliations

Soon will be listed here.

Abstract

Introduction: Herbal medicines play an important role globally in the health care sector and in industrialised countries they are often considered as an alternative to mono-substance medicines. Current quality and authentication assessment methods rely mainly on morphology and analytical phytochemistry-based methods detailed in pharmacopoeias. Herbal products however are often highly processed with numerous ingredients, and even if these analytical methods are accurate for quality control of specific lead or marker compounds, they are of limited suitability for the authentication of biological ingredients.

Objective: To review the benefits and limitations of DNA barcoding and metabarcoding in complementing current herbal product authentication.

Method: Recent literature relating to DNA based authentication of medicinal plants, herbal medicines and products are summarised to provide a basic understanding of how DNA barcoding and metabarcoding can be applied to this field.

Results: Different methods of quality control and authentication have varying resolution and usefulness along the value chain of these products. DNA barcoding can be used for authenticating products based on single herbal ingredients and DNA metabarcoding for assessment of species diversity in processed products, and both methods should be used in combination with appropriate hyphenated chemical methods for quality control.

Conclusions: DNA barcoding and metabarcoding have potential in the context of quality control of both well and poorly regulated supply systems. Standardisation of protocols for DNA barcoding and DNA sequence-based identification are necessary before DNA-based biological methods can be implemented as routine analytical approaches and approved by the competent authorities for use in regulated procedures. © 2017 The Authors. Phytochemical Analysis Published by John Wiley & Sons Ltd.

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