A polysaccharide from Arnebia euchroma (Royle) Johnst. named ARP, was obtained and purified by the hot water extraction, ethanol precipitation and deproteinization of TCA. The molecular weight of the polysaccharide fraction of ARP was calculated to be 1.23 × 104 Da from a calibration
Arnebiaeuchroma (Royle) Johnst (Ruanzicao) is a traditional Chinese herbal medicine (TCM). It is extensively used in China and other countries for treatment of inflammatory diseases. It is known that hyper-activated complement system involves in the fever and acute lung injury (ALI) in rats. In our
BACKGROUND
There is a growing demand for mass production of shikalkin (a natural pigment consisted of shikonin and alkannin) due to its increasing applications in cosmetics, pharmaceutical and nutrition industries. The root of Iranian Arnebia euchroma produces shikalkin. The promising capability of
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