sodium alginate 生成
4-deoxy-alpha-L-erythro-hex-4-enopyranuronate-alpha-L-guluronate 、
(4-deoxy-α-L-erythro-hex-4-enopyranosyluronate)-(1->4)-(β-D-mannopyranuronate) 、 、 (4-deoxy-α-L-erythro-hex-4-enopyranosyluronate)-(1->4)-(β-D-gulopyranosyluronate)-(1->4)-(β-D-mannopyranuronate) 、 、 (4-deoxy-α-L-erythro-hex-4-enopyranosyluronate)-(1->4)-(β-D-mannopyranosyluronate)-(1->4)-(β-D-mannopyranuronate)