Potential Natural Dyes Food from the Powder of Prickly Pear Fruit Peels (Opuntia spp.) Growing in the Mediterranean Basin under Climate Stress

Table 1

Parameters of powder color of prickly pear fruit dried peels (Aakria, Derbana, and Mles) at moisture levels 15% and 10%.

Parameters of powder color	Aakria		Derbana		Mles
	Powder at 15% humidity content	Powder at 10% humidity content	Powder at 15% humidity content	Powder at 10% humidity content	Powder at 15% humidity content	Powder at 10% humidity content
	43.14 ± 5.22^b	37.93 ± 2.92^a	56.57 ± 2.26^d	51.79 ± 1.97^c	53.70 ± 2.02^c	52.08 ± 3.11^c
	19.53 ± 1.36^d	17.91 ± 1.05^c	11.17 ± 0.69^ab	10.78 ± 0.73^a	11.28 ± 0.17^b	10.63 ± 1.04^a
	19.43 ± 1.74^b	19.32 ± 2.53^a	39.38 ± 1.13^d	38.54 ± 1.50^cd	39.47 ± 1.33^d	37.26 ± 1.50^c
Chroma ()	27.93 ± 0.70^a	27.56 ± 1.68^a	40.84 ± 1.12^b	40.13 ± 1.44^b	40.89 ± 1.45^b	39.43 ± 0.94^b

represents the luminosity (L = 0 for black, 100 for white); represents red/green color values; represents yellow/blue color values; Colour index: Chroma  = [a ∗ 2 + b ∗ 2]^0.5. The results were reported as average average ± standard deviation. The reported values with the same letter in the same line did not differ significantly at .