1663. Boyle, Usef. Exp. Nat. Philos., II. ii. 40. The volatile salt of unfermented urine.
1731. Arbuthnot, Aliments, v. (1735), 123. All such Vegetables must be unfermented, for Fermentation changes their Nature.
1799. G. Smith, Laboratory, I. 430. To make the wine keep unfermented.
1834. Brit. Husb., I. 250. (L.U.K.). The effect of unfermented dung on crops.
1886. Axon, Ann. Manchester, 217. He [Rev. Francis Beardsall] manufactured an unfermented wine for sacramental use.