{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["14(11)"],"submitter":["Bodalska A"],"pubmed_abstract":["Peppermint leaf, sage leaf, thyme herb, and their preparations are common components of herbal medicinal products (HMPs). According to the European Pharmacopoeia guidelines, the above-mentioned plant substances are standardized for the content of essential oils, omitting polyphenols, which also have a significant impact on their activities. The aim of this study was to evaluate the stability of the predominant polyphenols-rosmarinic acid, luteolin-7-O-β-glucuronide, and eriocitrin-in selected commercial liquid HMPs containing thyme, sage, and peppermint under long-term, intermediate, and accelerated testing conditions. Qualitative and quantitative analyses of these polyphenols were performed by the previously optimized and validated HPLC-DAD method. Rosmarinic acid stability was better in "],"journal":["Pharmaceuticals (Basel, Switzerland)"],"pagination":["1139"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8624675"],"repository":["biostudies-literature"],"pubmed_title":["Stability of Rosmarinic Acid and Flavonoid Glycosides in Liquid Forms of Herbal Medicinal Products-A Preliminary Study."],"pmcid":["PMC8624675"],"pubmed_authors":["Fecka I","Kowalczyk A","Bodalska A"],"additional_accession":[]},"is_claimable":false,"name":"Stability of Rosmarinic Acid and Flavonoid Glycosides in Liquid Forms of Herbal Medicinal Products-A Preliminary Study.","description":"Peppermint leaf, sage leaf, thyme herb, and their preparations are common components of herbal medicinal products (HMPs). According to the European Pharmacopoeia guidelines, the above-mentioned plant substances are standardized for the content of essential oils, omitting polyphenols, which also have a significant impact on their activities. The aim of this study was to evaluate the stability of the predominant polyphenols-rosmarinic acid, luteolin-7-O-β-glucuronide, and eriocitrin-in selected commercial liquid HMPs containing thyme, sage, and peppermint under long-term, intermediate, and accelerated testing conditions. Qualitative and quantitative analyses of these polyphenols were performed by the previously optimized and validated HPLC-DAD method. Rosmarinic acid stability was better in ","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Nov","modification":"2025-04-05T10:51:52.604Z","creation":"2022-02-11T13:31:55.684Z"},"accession":"S-EPMC8624675","cross_references":{"pubmed":["34832921"],"doi":["10.3390/ph14111139"]}}