Botanical quality control of digestive tisanes commercialized in an urban area (Bahía Blanca, Argentina)

ABSTRACT Digestive herbal teas in the form of monoherbal infusions or in mixtures are the most commonly used form of phytotherapy in Bahía Blanca (Argentina). This practice is based on family tradition reinforced by current trends reverting to the ingestion of natural products. The objective of this work was to analyze the botanical quality of the digestive mixtures sold in Bahía Blanca as fine cut mixtures (in tea bags) and thick cut mixtures (fragmented herbs). Samples of seven mixtures sold in the form of tea bags and four as bags of fragmented herbs were studied under stereoscopic and op...