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Planta Med 2018; 84(06/07): 465-474
DOI: 10.1055/a-0575-4425
Natural Product Chemistry and Analytical Studies
Original Papers
Georg Thieme Verlag KG Stuttgart · New York

Comprehensive HPTLC Fingerprinting for Quality Control of an Herbal Drug – The Case of Angelica gigas Root

Débora Arruda Frommenwiler
1   CAMAG Laboratory, Muttenz, Switzerland
2   Unit of Pharmacology, Pharmacognosy and Therapeutics, Faculty of Pharmacy and Food Sciences, University of Barcelona, Spain
,
Jonghwan Kim
3   National Institute of Food and Drug Safety Evaluation, Chungcheongbuk-do, Republic of Korea
,
Chang-Soo Yook
4   Oriental Pharmaceutical Science Department, Kyunghee University, Seoul, Republic of Korea
,
Thi Thu Trang Tran
5   National Institute of Drug Quality Control, Ha Noi, Vietnam
,
Salvador Cañigueral
2   Unit of Pharmacology, Pharmacognosy and Therapeutics, Faculty of Pharmacy and Food Sciences, University of Barcelona, Spain
,
Eike Reich
1   CAMAG Laboratory, Muttenz, Switzerland
› Author Affiliations
Further Information

Publication History

received 29 May 2017
revised 22 January 2018

accepted 01 February 2018

Publication Date:
28 February 2018 (online)

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Abstract

The quality of herbal drugs is usually controlled using several tests recommended in a monograph. HPTLC is the method of choice for identification in many pharmacopoeias. If combined with a suitable reference material for comparison, HPTLC can provide information beyond identification and thus may simplify quality control. This paper describes, as a proof of concept, how HPTLC can be applied to define specifications for an herbal reference material and to control the quality of an herbal drug according to these specifications. Based on multiple batches of cultivated Angelica gigas root, a specific HPTLC method for identification was optimized. This method can distinguish 27 related species. It also can detect the presence of mixtures of A. gigas with two other Angelica species traded as “Dang gui” and is suitable as well for quantitative assessment of samples in a test for minimum content of the sum of decursin and decursinol angelate. The new concept of “comprehensive HPTLC fingerprinting” is proposed: HPTLC fingerprints (images), which are used for identification, are converted into peak profiles and the intensities of selected zones are quantitatively compared to those of the corresponding zones of the reference material. Following a collaborative trial involving three laboratories in three countries, the method was applied to check the quality of further candidates for establishing an appropriate reference material. In conclusion, this case demonstrates that a single HPTLC analysis can provide information about identity, purity, and minimum content of markers of an herbal drug.

Key words

Angelica gigas - Apiaceae - HPTLC - identity - purity - minimum content

Supporting Information

    Different sources of HPTLC/TLC methods for identification of Angelica and related species (Table 1S), details of samples shown in [Fig. 2] (Table 2S), details of samples of A. gigas, A. sinensis, and A. acutiloba used in this study (Table 3S), the content of D+DA of HRMs of A. gigas, and SOP for the collaborative trial are available as Supporting Information.

  • Supporting Information
 

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