Beta-carotene, lycopene, lutein, zeaxanthin, and astaxanthin are a few well-known carotenoids
Furthermore, copper ions can interact with oxygen by catalyzing Haber-Weiss and/or Fenton reactions
Bertoncello KT, Aguiar GPS, Oliveira JV, Siebel AM
thereafter, 50 ml of precultures were induced with 450 ml of expression medium (10 g l 1 yeast extract (Gibco, 212750), 20 g l 1 bacto peptone (Gibco, 211677), 20 g l 1 d-galactose (Panreac, A1131), 67 mM potassium phosphate monobasic buffer pH 6.0 (Thermo Scientific, 424200250), 25 g l 1 ethanol (Scharlau, ET00062500), 2 mM copper sulfate (Merck, C7631) and 25 g ml 1 chloramphenicol (Merck, C0378)) in a 2.5-l baffled flask (Quimigen, 931136-B) (OD 600 = 0.1)
[2] After puncturing the rubber stopper for the first dose, the vial becomes a multi-dose container
Lyophilized or stable powder form for long shelf-life