Table A3.

Calibration standards used to quantify xanthophyll carotenoids and vitamin E.

	Molecular Weight	Maximum Wavelength	Extinction Coefficient	Solvent	Reference
Lutein	568.88	444	144.8 × 103	Ethanol	[88]
Zeaxanthin	568.88	450	144.2 × 103	Ethanol	[89]
β-cryptoxanthin	552.85	450	135.7 × 103	Hexane	[90]
α-tocopherol	430.71	292	326.5	Ethanol	[91]

Molecular weight (g mol⁻¹); Maximum wavelength (nm); Extinction coefficient (L mol⁻¹ cm⁻¹).