Quality is critical to the market competitiveness of medicinal and edible GF. However, the current quality standards of the Chinese Pharmacopoeia rely on a single index and cannot comprehensively evaluate food material with diverse origins and multiple functional components.
What the research examined
This study established a holistic evaluation strategy based on "functional component group" and "quality control coefficient Q ". Seven stable fingerprint peaks of iridoids and iridoid glycosides were identified by chromatography, with Q ≥ 3.67 as the quality benchmark. In cell experiments, HQG outperformed QG in the MTT assay of LPS-stimulated RAW264.7 cells.
What the findings mean
In addition, 78 volatile compounds and 22 inorganic elements were analyzed by GC-MS and ICP-MS, respectively, as complementary analyses. Combined with chemometrics, the samples were discriminated according to geographical origin and tissue, and characteristic markers were screened on an exploratory basis. This study provides a scientific basis for precise quality control and screening of high-quality GF, and offers a reference framework for quality evaluation of other medicinal and edible homologous plants.
Study authors: Chen P, Zhang Q, Lian C, Xu L, Lan J, Liu J, Chen S.. This report is based on the openly licensed abstract and source record and has been formatted for newsroom reading.
Foods (Basel, Switzerland)
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