A purified polysaccharide ACDP-2 was isolated from water extract of the stems of Cistanche deserticola. Chemical and spectroscopic analyses indicated that ACDP-2 is a highly branched arabinogalactan polymer that composes of linked d-galactopyranose and d-glucopyranose, which contains predominantly a branching point at the 6-carbon. The branched side-chains compose of terminal-, 1,5-, and 1,3,5-linked arabinofuranosyl residues. ACDP-2 showed an effect in stimulating the immune response, which when applied onto the cultured mouse lymphocytes induced the cell proliferation in a dose-dependent manner.
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A metabolomics approach reveals the pharmacological effects and mechanisms of Cistanche tubulosa stems and its combination with fluoxetine on depression in comorbid with sexual dysfunction.
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School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, China. Electronic address:
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