Table 2. Quantitative HPLC values and relative ratios from H₂O₂ oxidation, HI hydrolysis, and Soluene-350 analysis of samples relative to melanin controls.

		Soluene-350 (/mg)		H2O2 Oxidat. (ng/mg)		HI Hydrolysis (ng/mg)		Ratios
	Sample	A500	A650	PTCA	PDCA	4-AHP	4-AHPEA	A650/A500	PDCA/PTCA	4-AHP /PTCA	4-AHPEA/PDCA	4-AHPEA/4-AHP
	B. huntii orange	0.200	0.037	8.49	25.1	9.58	1094	0.185	2.96	1.13	43.6	114.2
	B. melanopygus orange	0.204	0.040	11.9	26.0	53.7	1870	0.196	2.19	4.53	72.1	34.9
	B. melanopygus black	0.996	0.330	302	404	28.9	530	0.331	1.34	0.10	1.31	18.3
	B. impatiens/bimac. black	0.861	0.263	252	378	96.1	228	0.305	1.50	0.38	0.60	2.4
	B. impatiens black T2+T3	0.750	0.232	210	338	7.4	260	0.309	1.61	0.04	0.77	35.3
	B. impatiens black T4+	0.898	0.296	301	429	14.4	372	0.330	1.42	0.05	0.87	25.8
	D. bioculata light orange	0.119	0.020	18.6	49.7	5.74	350	0.168	2.67	0.31	7.04	61.0
	D. bioculata med orange	0.072	0.014	5.9	22.3	5.5	198	0.194	3.80	0.94	8.90	36.0
	D. bioculata dark orange	0.074	0.014	3.4	16.4	7.4	140	0.189	4.88	2.19	8.56	19.0
	D. occidentalis red	0.220	0.045	8.4	13.1	22.9	782	0.205	1.55	2.73	59.9	34.1
	D. bioculata black	0.268	0.062	55.9	91.2	3.7	283	0.231	1.63	0.07	3.10	76.4
	Dopa-melanin	8.81	2.98	4790	5780	1110	ND	0.338	1.21	0.23	1/inf	1/inf
	DA-melanin	5.96	1.67	2790	4750	ND	1200	0.280	1.70	1/inf	0.25	inf
	Dopa+Cys-melanin	4.79	0.63	4230	857	130000	867	0.132	0.20	30.7	1.01	0.01
	DA+Cys-melanin	2.46	0.35	17.7	1940	ND	112000	0.142	110	1/inf	57.7	inf

Colors reflect color of original sample taken from photographic RGB data.

For ease of interpretation, we highlighted cells based on similarity to melanin controls, with lighter shades indicating values in between melanin types.

inf = infinity.