Bayanin: Sunadarai sun fara bayyana su ne daga masanin kimiyyar Dutch Gerardus Johannes Mulder kuma masanin kimiyyar Sweden Jöns Jacob Berzelius a 1838. Mulder ya gudanar da bincike na asali na sunadarai na yau da kullum kuma ya gano cewa kusan dukkanin sunadarai suna da nau'i na nau'i na nau'i guda, C400H620N100O120P1S1. Ya zo ga kuskuren ƙarshe cewa suna iya kunshe da nau'i guda na (manyan) kwayoyin. Kalmar "sunadarai" don bayyana wadannan kwayoyin ta samo asali ne daga kalmar Helenanci πρώτειος (proteios), ma'ana "na farko", "a cikin gubar", ko "a gaba", + -in. Mulder ya ci gaba da gano samfurori na lalacewar sunadarin sunadarai kamar amino acid leucine wanda ya yi imani yana da muhimmancin kwayoyin 131 (nearly) na kwayoyin halitta. Kafin nazarin sunadarin sunadarin sunadarin sunadarin sunadarin sunadarin sunadarin sunadarin sunadarin sunadarin sunadarin sunadarin sun
Berzelius