"Among these anthocyanins, kuromanin
(cyanidin-3-glucoside) had the highest ORAC activity, which was 3.5 times
stronger than Trolox (vitamin E analogue)"
Oxygen Radical Absorbing Capacity of Anthocyanins
Hong Wang, Guohua Cao and Ronald L. Prior
Clinical Study of Ocular Function With Food Product
Containing Black Soybean Hull Extract
Takashi SAKIMOTO, Yasushi KOJIMA, Yukiyo KASHIWABARA, Chieko CHIKUI
Japanese Society of Clinical Ophthalmology
Japanese Review of Clinical Ophthalmology Vol. 98,
No. 11 (11/2004)