Betalain content [mg/g fresh weight]=A⁎MW⁎ Vf ⁎DF/
ε⁎L⁎Wf where Betalain content [mg/g fresh weight]=A⁎MW⁎ Vf ⁎DF/
ε⁎L⁎Wf where A is the absorption at λmax corrected by the absorption
at 650 nm.A is the absorption at λmax corrected by the absorption
at 650 nm.