Mate extract as feed additive for improvement of beef quality.

Mate (Ilex paraguariensis A.St.-Hil.

Photooxidation of other B-vitamins as sensitized by riboflavin.

Pyridoxal phosphate (PLP) was found to deactivate triplet-excited riboflavin (Rib) in aqueous solution with a deactivation constant of 3.0 ± 0.1 × 10(8) L mol(-1) s(-1) at 25 °C.