Table 1.

Main carotenoid Raman skeletal features observed—halophilic Archaea.

halophilic Archaea, lyophilized samples/extracts
514.5 nm
Halobacterium NRC1	Halobacterium R1	Haloarcula vallismortis	Halorubrum sodomense	Haloquadratum walsbyi
1001 m/1001 m	1001 m/1002 m	1000 w/1002 m	1001 m/1002 m	1000 m
1152 s/1151 s	1150 s/1152 s	1151 m/1154 m	1152 s/1153 s	1152 s
1506 vs/1506 vs	1505 vs/1509 vs	1506 s/1508 s	1506 vs/1507 vs	1508 s
bacterioruberin	bacterioruberin	bacterioruberin	bacterioruberin	bacterioruberin