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Screening for antioxygenic compounds in marine algae and bromophenols as effective principles in a red alga Polysiphonia ulceolate
Nippon Suisan Gakkaishi
As a result of screening for antioxygenic principles in marine algae, the effects of two types of red algae, Polysiphonia urceolata and Gelidium divaricatum, were found to be clearly superior to those of brown algae. Bromophenols with 5-bromo-3, 4-dihydroxy benzaldehyde (I) as the main constituent were identified as the effective principles in P. urceolata. Two types of bromophenols found in P. urceolata, (I) and 5-bromo-3, 4-dihydroxy benzyl alcohol, were synthesized and their antioxidantdoi:10.2331/suisan.51.1139 fatcat:gicf5odmqvb4bewdhmot323qwy