Chem. Also -ine. [f. as prec. + -IN.] ‘The neutral odoriferous principle of vanilla’ (Watts).
1868. Watts, Dict. Chem., V. 994. Vanillin … was first recognised as a peculiar substance by Bley…, further examined by Gobley,… and afterwards by Stokkebye,… who designates it as vanillic acid.
1888. Encycl. Brit., XXIV. 66/2. The peculiar fragrance of vanilla is due to vanillin. Ibid. The amount of vanillin varies according to the kind.
1897. Allbutt’s Syst. Med., III. 289. A solution composed of phloroglucine, 2 parts; vanilline, 1 part; absolute alcohol, 30 parts.
