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    Polygala tenuifolia Willd.
    Polygala tenuifolia (Yuan Zhi) is an herb in the family Polygalaceae which is hardy to USDA Zone 6.Yuan Zhi is used primarily as an expectorant. It is one of the 50 fundamental herbs used in traditional Chinese medicine, where it is called yuan zhi.
    Four xanthone O-glycosides, polygalaxanthones IV–VII were isolated from the roots of Polygalatenuifolia Willd., together with eight known compounds. The structures of the four xanthone O-glycosides were established as 6-O-[α-l-rhamnopyranosyl-(1→2)-β-d-glucopyranosyl]-1-hydroxy-3,7-dimethoxyxanthone (polygalaxanthone IV), 6-O-[α-l-rhamnopyranosyl-(1→2)-β-d-glucopyranosyl]-1,3-dihydroxy-7-methoxyxanthone (polygalaxanthone V), 6-O-(β-d-glucopyranosyl)-1,2,3,7-tetramethoxyxanthone (polygalaxanthone VI), and 3-O-[α-d-rhamnopyranosyl-(1→2)-β-d-glucopyranosyl]-1,6-dihydroxy-2,7-dimethoxyxanthone (polygalaxanthone VII), respectively, on the basis of analysis of spectroscopic evidence.
    Polygala tenuifolia Willd.
    Research products of Polygala tenuifolia Willd.
    Catalog Product Name CAS Number Manual
    CFN98157Tenuifolin20183-47-5  PDF
    CFN99108Polygalacic acid22338-71-2  PDF
    CFN99109Senegenin2469-34-3  PDF
    CFN90208Polygalaxanthone III162857-78-5  PDF
    CFN906677-O-Methylmangiferin31002-12-7  n/a
    CFN90646Sibiricose A6241125-75-7  n/a
    CFN90644Sibiricaxanthone B241125-81-5  n/a
    CFN90600Onjisaponin B35906-36-6  PDF
    CFN98879Euxanthone529-61-3  n/a
    CFN93351Polygalacin D66663-91-0  PDF
    CFN92195Polygalic acid1260-04-4  n/a
    CFN90770Tenuifoliside A139726-35-5  PDF
    CFN905783,6'-Disinapoyl sucrose139891-98-8  PDF
    CFN90645Sibiricose A5107912-97-0  n/a
    CFN90666Lancerin81991-99-3  PDF
    CFN89276Onjixanthone II136083-93-7  n/a
    CFN89072Polygalaxanthone XI857859-82-6  n/a
    CFN892391,7-Dihydroxy-2,3-dimethoxyxanthone78405-33-1  n/a
    CFN892411,2,3,6,7-Pentamethoxyxanthone64756-86-1  n/a
    CFN892341,2,3,7-Tetramethoxyxanthone22804-52-0  n/a
    CFN89185Methyl 1,6-dihydroxy-3-methylxanthone-8-carboxylate85003-85-6  n/a
    CFN892561,7-Dimethoxy-2,3-methylenedioxyxanthone145523-71-3  n/a
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