Abstract
Objective: This study aimed to determine the physicochemical properties of Ya-Gae-Bid-Na-Ron (YGBNR); according to the Thai Herbal Pharmacopoeia (THP) guidelines.Material and Methods: Kratom, ginger, Java long pepper, and chilli were collected from different sources, authenticated, and prepared for crude drugs. From this, twelve YGNBR recipes were formulated, and the physicochemical properties of the raw materials and recipes were determined. The thin layer chromatography (TLC) and high performance liquid chromatography (HPLC) fingerprints were investigated, and the microbial limits and heavy metal contamination were determined.Results: YGBNR was prepared by mixing dry powders of kratom: ginger: Java long pepper; chilli in the ratio of 72:5:13:10. The phytochemical properties; including loss on drying, total ash, acid-insoluble ash, ethanol (80% v/v)-soluble extractive, water-soluble extractive, volatile oil, and mitragynine content were: 7.68±0.04%w/w, 5.72±0.06%w/w, 0.26±0.02%w/w, 28.99±0.17%w/w, 21.98±0.21%w/w, 0.40±0.00%v/w, and 0.58±0.28 %w/w, respectively. The microbial limits and heavy metal contaminations were under the THP requirements. Conclusion: The physicochemical properties of YGNBR, an antidiarrheal recipe, was determined according to THP. The specification is essential information for the establishment for the herbal monograph of YGBNR.
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