Calculate total carotenoids using Method by Lichtenthaler (1987)
Usage
caro_total(A470, A663, A646, fresh_weight)
Value
Carotenoids concentration in µg/ml
Arguments
A470
Absorbance at 470nm
A663
Absorbance at 663nm
A646
Absorbance at 646nm
fresh_weight
Fresh weight of the sample used in grams
References
Lichtenthaler, H. K. (1987). Chlorophylls and carotenoids: pigments of photosynthetic biomembranes. In Methods in enzymology (Vol. 148, pp. 350-382). Academic Press.