Fig 1.
The pigmented and nonpigmented adductor muscle scars of Pacific oyster.
Panel A, the outside surface of the untreated shell with pigmented adductor muscle scar; panel B, the inside surface of the untreated shell with pigmented adductor muscle scar; panel C, the outside surface of the pigmented adductor muscle scar region following treatment; panel D, the inside surface of the pigmented adductor muscle scar region following treatment; panel A’, the outside surface of the untreated shell with nonpigmented adductor muscle scar; panel B’, the inside surface of the untreated shell with nonpigmented adductor muscle scar; panel C’, the outside surface of the nonpigmented adductor muscle scar region following treatment; panel D’, the inside surface of the nonpigmented adductor muscle scar region following treatment.
Fig 2.
The extracts from oyster adductor muscle scars with and without pigmentation.
Panel A, the extract from the pigmented adductor muscle scars; panel B, the extract from the nonpigmented adductor muscle scars.
Fig 3.
UV absorption spectra of the pigment extracted from the adductor muscle scar of Pacific oyster.
‘Abs’ denotes the absorbance value, ‘Wav’ the wavelength.
Fig 4.
IR scanning spectra of the pigment extracted from the adductor muscle scar of Pacific oyster.
‘T’ denotes the transmittance, ‘Wav’ the wavenumber.