''' Lactosium ''' est species [[saccharum|sacchari]] species quod in [[lac |lacte]] [[mulier]]um acet aliumaliorum [[animal]]ium contentum[[lac|lacte]] estcontinetur. Lactosium est accurate [[disaccharides]], id est saccharum a duobus moleculis ligatis saccharii simplicis ([[monosaccharides|monosaccharidis]]) in casu a [[molecula]] ''α/β''--<small>D</small>- [[glucosium |glucosii]] et a molecula ''β''-<small>D</small>- [[Galactosium|galactosii]] constitutum.
