Table 1. Chromaticity of sunlight- and artificial light-cultured Spirulina platensis

Sample1)	Chromaticity
	L2)	a	b	ΔE
NSS	21.88±0.273)	−6.20±0.13	−0.27±0.06	-
ALS	21.04±0.04	−5.45±0.07	−0.21±0.05	1.14±0.21
t-value3)	−6.719**4)	11.163***	1.676

NSS, natural sunlight-cultured spirulina; ALS, artificial light-cultured spirulina.
L, lightness; a, redness; b, yellowness.
All values are mean±SD (n=3).
^**p<0.01; ^***p<0.001.