The extractswere then centrifuged for 5min at 1, 990×g, and the pigments were quantified spectrophotometrically at 630, 640, and 664 nm (Hitachi, Model 100–20; Hitachi Co., Japan).
The extractswere then centrifuged for 5min at 1,990×g, and the pigments were quantified spectrophotometricallyat 630, 640, and 664 nm (Hitachi, Model 100–20; HitachiCo., Japan).