. 2022 Mar 15;10:e13103. doi: 10.7717/peerj.13103

Table 1. Yield and colour attributes (L^∗, a^∗, b^∗ and whiteness index) of collagens from lizardfish bones extracted with different acids.

Acids	Yield (%)	L*	a*	b*	Whiteness
CoFC	–	84.65 ± 0.57^a	0.57 ± 0.03^b	17.40 ± 0.41^d	76.79 ± 0.21^a
AaEC	1.73 ± 0.08^a	88.54 ± 0.42^b	0.20 ± 0.09^a	9.23 ± 0.51^a	85.29 ± 0.10^c
LaEC	1.88 ± 0.03^b	88.00 ± 0.45^b	0.54 ± 0.02^b	10.26 ± 0.10^b	84.20 ± 0.35^bc
CaEC	2.59 ± 0.52^c	88.43 ± 0.94^b	0.71 ± 0.10^b	11.97 ± 0.35^c	83.34 ± 0.89^b

Notes.

Values are given as the mean ± standard deviation from triplicate determinations (n = 3). Different superscript letters in the same row indicate significant differences (p < 0.05).

CoFC: commercial fish collagen hydrolysate (type I)
AaEC: acetic acid-extracted collagen
LaEC: lactic acid-extracted collagen
CaEC: citric acid-extracted collagen

Table 1. Yield and colour attributes (L∗, a∗, b∗ and whiteness index) of collagens from lizardfish bones extracted with different acids.

Table 1. Yield and colour attributes (L^∗, a^∗, b^∗ and whiteness index) of collagens from lizardfish bones extracted with different acids.