Table 1.

ESI-MS results of MAA extracts in high grade of purity.

Fraction	MAAs	Mol.formula	UV λmax (nm)	Exact (ppm)	m/z [M + H]+
					Parent Ion	Theoretical
P-334 (+SH)	Porphyra-334	C14H22N2O8	334	3.1	347.1460	347.1449
	Shinorine	C13H20N2O8	334	2.5	333.1301	333.1292
M-Ser (OH)	Mycosporine-serinol	C11H19NO6	310	3.4	262.1294	262.1285
SH	Shinorine	C13H20N2O8	334	3.0	333.1302	333.1292
AS-330 (+PNE)	Asterina-330	C12H20N2O6	331	1.3	289.1398	289.1394
	Palythine	C10H16N2O5	320	1.3	245.1135	245.1132