Quality control of herbal medicines

YZ Liang, P Xie, K Chan - Journal of chromatography B, 2004 - Elsevier
Different chromatographic and electrophoretic techniques commonly used in the
instrumental inspection of herbal medicines (HM) are first comprehensively reviewed …

Extraction methods and chemical standardization of botanicals and herbal preparations

ES Ong - Journal of Chromatography B, 2004 - Elsevier
Botanicals and herbal preparations are medicinal preparations, containing a single or two or
more medicinal plants. The focus of this review paper is on the analytical methodologies …

Emerging green technologies for the chemical standardization of botanicals and herbal preparations

MY Heng, SN Tan, JWH Yong, ES Ong - TrAC Trends in Analytical …, 2013 - Elsevier
As botanicals and many medicinal plants can be processed to become a food or a health
supplement, a drug or cosmetics, chemical standardization is important for their quality …

Chemical profiling of Ocimum americanum using external flavonoids

RF Vieira, RJ Grayer, AJ Paton - Phytochemistry, 2003 - Elsevier
A HPLC survey was undertaken of the external flavonoids in 111 herbarium specimens of
Ocimum americanum L.(O. canum Sims), which were largely collected from their natural …

Development of a novel liquid chromatography-tandem mass spectrometric method for aristolochic acids detection: Application in food and agricultural soil analyses

CK Chan, NM Pavlović, W Chan - Food chemistry, 2019 - Elsevier
Prolonged dietary exposure to AA-contaminated food crops cultivated in contaminated
farmland was shown to be one of the main culprits of Balkan endemic nephropathy. Ultra …

[HTML][HTML] Is aristolochic acid nephropathy a widespread problem in developing countries?: A case study of Aristolochia indica L. in Bangladesh using an ethnobotanical …

J Michl, HM Jennings, GC Kite, MJ Ingrouille… - Journal of …, 2013 - Elsevier
Abstract Ethnopharmacological relevance Species of Aristolochia are associated with
aristolochic acid nephropathy (AAN), a renal interstitial fibrosis and upper urinary tract …

Analysis of aristolochic acid in nine sources of Xixin, a traditional Chinese medicine, by liquid chromatography/atmospheric pressure chemical ionization/tandem mass …

TT Jong, MR Lee, SS Hsiao, JL Hsai, TS Wu… - … of pharmaceutical and …, 2003 - Elsevier
Aristolochic acid I (AA-I), which is a known nephrotoxin, is found in a commonly used
Chinese medicine, Xixin, that originates from nine Asarum species (Aristolochiaceae) found …

Detection and Removal of Aristolochic Acid in Natural Plants, Pharmaceuticals, and Environmental and Biological Samples: A Review

C Wang, Y Liu, J Han, W Li, J Sun, Y Wang - Molecules, 2023 - mdpi.com
Aristolochic acids (AAs) are a toxic substance present in certain natural plants. Direct human
exposure to these plants containing AAs leads to a severe and irreversible condition known …

Determination of senkirkine and senecionine in Tussilago farfara using microwave-assisted extraction and pressurized hot water extraction with liquid chromatography …

Z Jiang, F Liu, JJL Goh, L Yu, SFY Li, ES Ong, CN Ong - Talanta, 2009 - Elsevier
Tussilago farfara (Kuan Donghua) is an important Chinese herbal medicine which has been
shown to contain many bioactive compounds and widely used to relieve cough and resolve …

Determination of aristolochic acids in medicinal plant and herbal product by liquid chromatography–electrospray–ion trap mass spectrometry

SA Chan, MJ Chen, TY Liu, MR Fuh, JF Deng, ML Wu… - Talanta, 2003 - Elsevier
This paper describes a liquid chromatography–electrospray–ion trap mass spectrometry (LC–
ES–ITMS) method for the determination of aristolochic acid I and II (AA-I and AA-II) in …