Natural Product Research 2003-Dec
Antioxidant capacity of flavonoids and a new arylphenol of the resinous exudate from Heliotropium sinuatum.
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Abstrakt
From the resinous exudate of Heliotropium sinuatum (family Boraginaceae), a new compound: 4-(3',5'-dihydroxynonadecyl)phenol 1, together with eight previously described flavonoids, were isolated and their antioxidant activities were assessed by quenching measurements with ABTS and DPPH cation radicals.