vanillin


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Related to vanillin: ethyl vanillin

va·nil·lin

(vă-nil'in),
Obtained from vanilla and also prepared synthetically; a flavoring agent; used to detect ornithine, sugar alcohols, phenols, and some sterols.

vanillin

(vă-nĭl′ĭn)
A crystalline compound found in vanilla pods or produced synthetically; used for flavoring foods and in pharmaceuticals.
References in periodicals archive ?
- Bio Vanillin Market: Benefits from the Rising Demand for Healthy and Safe Ingredients
Vanillin significantly decreased the production of nitric oxide and inflammatory cytokines including interleukin-l[beta], tumor necrosis factor-[alpha] (TNF-[alpha]), and interleukin-6 (IL-6).
Phenolic compound/flavonoid Amount (%) 1 Caffeic acid [1] 3.305 2 Resorcinol [2] 0.008 3 Vanillic acid [6] 0.063 4 p-Coumaric acid [7] 0.034 5 Ferulic acid [9] 0.054 6 Vanillin [10] 0.181 7 Veratric acid [11] 0.015 8 Myristicin [4] 0.013 9 Coumarin [5] 0.004 10 Cinnamic acid 0.042 Table 2: Validation of the liquid chromatographic method.
In regard of the antioxidant effect of vanillin, some mixed results have been reported.
Vanillin level (the most abundant compound in flax shives) reached 9.06 [micro]g/g in the water extract and 6.36 [micro]g/g in the methanol extract and was the lowest, 1.27 [micro]g/g, in ethyl acetate.
The absorbance of standards (100 [micro]g/mL) of gallic acid, epigallocatechin gallate (EGCG), and vanillin present in the sample before and after the removal of polyphenols was measured at 280 nm using a spectrophotometer with deionized water as the blank (n = 3).
As results, 10 known compounds were firstly isolated from this plant, and elucidated as 7-(3-ethoxy-5-methoxyphenyl) propane-7,8,9-triol (1) [6], secoisolariciresinol (2)[7], (+)-pinoresinol (3)[8], syringaresinol (4)[9], and eugenyl-O-b-D-glucopyranoside (5) [10], benzyl-O-b-D-glucopyranoside (6) [11], p-hydroxy-benzaldehyde (7) [12], vanillin (8) [13], syringaldehyde (9)[14] and 3-hydroxy-l-(4-hydroxy-3, 5-dimethoxyphenyl)-1-propanone (10)[15] (Fig.
Condensed tannins assay (CTLES condensed tannins are determined by the method in the acidic medium vanillin. This method is based on the ability of vanillin reacted with units of condensed tannins in the presence of acid to produce a colored complex measured 500 nm.
Chemical engineers from Europe and the US discuss different materials and strategies for photo-triggered microcapsules preparation and applications, including photosensitive microcapsules and smart microcapsules based on photo-isomerizable moieties; the growth and applications of microencapsulation in the textile and food industries, such as vanillin microcapsules and polyphenols encapsulation for natural products; uses in functional coatings; micro and nanocapsules as supports for surface enhanced Raman spectroscopy; and silica-based inorganic microcapsules and their application in industry.
This WENTE ESTATE GROWN 'MORNING FOG' CHARDONNAY 2013 (RSP PS11.99, Tanners, Hailsham Cellars, Winedirect.co.uk and Mr & Mrs Fine Wine) has a most exotic nose of vanillin stone fruit, mainly peaches and apricots.
In one example, vanillin is extracted from lignin and condensed with acetic anhydride to form acetylferulic acid, and reduced to acetyldihydroferulic acid with hydrogen.