Table I.

Mean residue ellipticity (MRE, deg.cm².dmol⁻¹) of collagen and collagen-like peptides at respective CD maxima before and after UV irradiation

Sample	0h	4h	17h	66h	% reduction in MRE without UV irradiation and UV irradiation up to 66hrs*
Collagen	4050	3965	3985	2900	28.4%
(PPG)10	2365	2283	2098	1650	30.2%
(POG)10	4966	4868	4784	3793	23.6%
GPKGPE	4006	3918	3786	2580	35.6%
(AOG)10	2679	2789	2457	2423	9.5%
GLY-	2144	1954	1968	1411	34.2%

^*- $\%\text{reduction}\text{in}\text{MRE}=\left(\frac{\mathit{MRE}(0h)-\mathit{MRE}(66h)}{\mathit{MRE}(0h)}\right)X100$