Table 3. Whitening activities of 38 marine animal extracts

Sample	Tyrosinase inhibition (%)	DOPA inhibition (%)
Hymeniacidon sinapium	19±1.08	13±2.59
Aurelia aurita	17±2.84	3±6.60
Bullacta exarata	9±0.24	2±3.92
Patiria pectinifera	14±0.44	3±6.94
Cliona celata	16±3.68	-
Protankyra bidentata	24±5.60	-
Scaphechinus mirabilis	10±3.51	-
Saxidomus purpurata	17±2.32	-
Octopus minor	13±2.39	5±1.81
Chicoreus asianus	42±5.10	-
Octopus vulgaris	-	13±1.31
Mizuhopecten yessoensis	21±1.40	7±8.83
Atrina pectinate	16±2.72	11±9.25
Ostrea denselamellosa	26±3.99	13±1.97
Rapana venosa	11±8.38	-
Uroteuthis chinensis	2±3.68	10±2.88
Mytilus unguiculatus	9±2.39	7±0.65
Styela clava	21±1.29	-
Petrosia corticata	6±1.96	73±9.49
Callyspongia elegans	18±2.36	-
Suberites excellens	10±2.03	8± 12.59
Apostichopus japonicus	24±3.29	-
Haliotis discus	10±2.07	12±3.95
Styela plicata	25±1.48	6±8.20
Halocynthia roretzi	17±2.05	20±0.73
Mytilus galloprovincialis	17±4.55	7±7.31
Spirastella insignis	25±1.71	29±6.58
Aplidium pliciferum	15±4.16	-
Neptunea cumingii	25±6.51	-
Aplysia kurodai	3±5.96	11±8.32
Eupentacta quinquesemita	30±4.26	-
Swiftopecten swiftii	40±1.55	0±17.77
Urechis unicinctus	60±4.60	33±4.20
Engraulis japonicus	11±0.25	13±6.81
Liolophura japonica	11±2.75	4±4.03
Andara broughtonii	17±2.43	-
Ruditapes philippinarum	17±2.90	11±6.35
Portunus trituberculatus	3±	-

The values are expressed as the mean±SD in triplicate experiments. The final concentration of tested samples was 1 mg/mL.