Vanillin in a Sentence
  • Woody or lignified cell-walls appear to contain substances called conifer-in and vanillin, in addition to various other compounds which are imperfectly known.
  • For dioxybenzaldehydes and their derivatives see Piperonal and Vanillin.
  • On oxidation with potassium permanganate it gives homovanillin, vanillin, &c.; with chromic acid in acetic acid solution it is converted into carbon dioxide and acetic acid, whilst nitric acid oxidizes it to oxalic acid.
  • By the action of alkalis it is converted into iso-eugenol, which on oxidation yields vanillin, the odorous principle of vanilla.
  • The ozone so prepared has numerous uses, as, for example, in bleaching oils, waxes, fabrics, &c., sterilizing drinking-water, maturing wines, cleansing foul beer-casks, oxidizing oil, and in the manufacture of vanillin.
  • The odour of Siam benzoin is partly due to the presence of vanillin, and the substance contains as much as 38% of benzoic acid but no cinnamic acid.
  • This was followed by the production of heliotropin, coumarin and vanillin, and later on by the artificial preparation of ionone, the most characteristic constituent of the violet scent.
  • Most household brands, ' family chocolate ', contain vanillin, an artificial vanilla which is easily smelled and produces a nasty aftertaste.
  • The palate is full of ripe berry fruit and a touch of vanillin oak.
  • Subtle notions of toasty vanillin from new oak aging".