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The roots of Polygala tenuifolia Willd have a long history of being used as a traditional Chinese medicine for the treatment of insomnia, forgetfulness, sorrow and depression. Tenuifolin (TEN) has been isolated from Polygala tenuifolia Willd roots, and this study was carried out to investigate the
Context: Alzheimer's disease (AD) is a chronic neurodegenerative disease that originates from central nervous system lesions or recessions. Current estimates suggest that this disease affects over 35 million people worldwide. However, lacking effective drugs is the biggest handicap in
OBJECTIVE
To compare the difference between Polygala tenuifolia root bark and root using HPLC fingerprint analysis and active components determination.
METHODS
Three main characteristic components including tenuifolin, polygalaxanthone III, and 3, 6'-disinapoly sucrose in different Polygala
The agronomic traits (plant height, root diameter, root length, first lateral root height, lateral root amount, root weight) of 18 Polygala tenuifolia samples with different agronomic traits were analyzed, respectively. HPLC was used to analyze three main characteristic components including
BACKGROUND
Radix Polygalae, the dried root of Polygala tenuifolia, has been extensively used as a traditional Chinese medicine for promoting intelligence and tranquilization. Polygalasaponins extracted from the root of P. tenuifolia possess evident anxiolytic and sedative-hypnotic activities.
OBJECTIVE
Previous studies have shown that tenuigenin, a crude extract of Polygala tenuifolia Willd. that is commonly used in traditional Chinese herbal medicine for memory loss, can reduce the secretion of Abeta from cultured cells. However, the mechanism underlying this effect and the active
Background: Inflammation and oxidative stress are believed to play an important role in the pathogenesis of Alzheimer's disease (AD). Tenuifolin (TEN) is a natural neuroprotective compound extracted from Polygala tenuifolia Willd, which
OBJECTIVE
To evaluate the absorption feature and mechanism of tenuifolin(TF) and polygalaxanthone III (PT) in different intestinal parts of rats and the impact of MRP2 and P-glycoprotein (P-gp) on it.
METHODS
In situ unidirectional perfusion was used to detect the concentration of TF and PT through