Study on the compatibility effect and active constituents of Atractylodis Rhizoma in Ermiao Wan against Acute Gouty Arthritis
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE: Ermiao Wan (EMW), composed of Atractylodis Rhizoma (AR) and Phellodendri Chinensis Cortex (PC), is a classical traditional Chinese medicine prescription having been used to treat the disease named "Tong Feng", which is described as "ache in bones and joints" with the same symptom of modern disease named acute gouty arthritis for many years in TCM clinical practice. Besides, both PC and AR were considered to be effective in anti-inflammatory according to modern pharmacological research.
AIM OF THE STUDY: Present study was undertaken to probe the compatibility rationality between the two herbs PC and AR in EMW and the active constituents of AR against acute gouty arthritis (AGA).
MATERIALS AND METHODS: Rat model of AGA was induced by intra-articular injection of monosodium urate (MSU) crystal suspension, and PC combined with or without different AR extracts were used for AGA treatment. Ankle joint swelling, proinflammatory cytokines in serum and pathological changes of synovium were investigated. Using the developed UHPLC-QQQ-MS method, the plasma concentrations of the primary alkaloids in PC, such as berberine, phellodendrine, magnoflorine, jatrorrhizine, berberrubine, palmatine, and tetrahydropalmatine, in AGA rat were determined, and pharmacokinetics properties were compared following oral administration of PC, PC combined with or without different AR extracts.
RESULTS: PC, PC combined with AR volatile oil (VO) extract or PC combined with…
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