Processes based on various precursors and redox enzymes, bacteria (Enterobacter, Klebsiella, and Serratia), fungi, and plant cell culture have been developed. Sci., 9, 101-104 (2003). Vanillin. After derivatization, compounds could be observed in UV light (fluorescence from light yellow to green). Christian Matano, ... Volker F. Wendisch, in Wheat and Rice in Disease Prevention and Health, 2014. Phenylacetic acid is another aromatic compound with a valuable honey-like flavor. Synthetic products have a characteristic vanilla-like note but they are inferior in organoleptic properties because the quality of natural vanilla derives not only from the concentration of vanillin but also from the presence of other valuable volatile flavor compounds. Powdered rhubarb could be examined in UV light to detect presence of raponthicin (stilbenoid glycoside, which is toxic). A, 1083, 2005, 161-172. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 180 C; CAS no: 121335; Active phase: ZB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Hoskovec, M.; Grygarova, D.; Cvacka, J.; Streinz, L.; Zima, J.; Verevkin, S.P. Then, for 1–2 weeks, the pods are alternately sunned and sweated: during the day they are laid out in the sun, and each night wrapped in cloth and packed in airtight boxes to sweat. and S-macrantha C. A. Mey from Iran, Flavour Fragr.
Soc., 16(3B), 2005, 654-656. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 40 C; End T: 240 C; End time: 10 min; Start time: 2 min; CAS no: 121335; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.24 um; Data type: Linear RI; Authors: Scheidig, C.; Czerny, M.; Schieberle, P., Changes in Key Odorants of Raw Coffee Beans during Storage under Defined Conditions, J. Agric. ; Beaumont, J.L., Comparison of some French-American hybrid wines with white Riesling using gas chromatography-olfactometry, Am. ; Hotchkiss, J.H. Soc. Chong et al.
Organic Compound; Ether; Ester; Food Toxin; Flavouring Agent; Metabolite; Household Toxin; Industrial/Workplace Toxin; Natural Compound; Synthetic Compound; Food Additive, ORL-RAT LD50 1580 mg kg-1, IPR-RAT LD50 1160 mg kg-1, SKN-RBT LD50 >5010 mg kg-1, Irritant/Light Sensitive/Air Sensitive/Moisture Sensitive/Store under Argon. Food Chem., 53, 2005, 2231-2235. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 30 C; End T: 260 C; End time: 28 min; Start time: 2 min; CAS no: 121335; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. A price of around $600 per kilogram may be expected (personal communication Symrise). Commons is a freely licensed media file repository. [29] The remainder was produced by chemical synthesis. Food Agric., 85, 2005, 1444-1452. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 70 C; End T: 290 C; End time: 10 min; CAS no: 121335; Active phase: HP-5 MS; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Radulovic, N.S. A, 1083, 2005, 161-172. umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 140 C; CAS no: 121335; Active phase: ZB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Hoskovec, M.; Grygarova, D.; Cvacka, J.; Streinz, L.; Zima, J.; Verevkin, S.P. Food Chem., 49, 2001, 4304-4311. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 230 C; End time: 30 min; CAS no: 121335; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Moreira, R.F.A. Food Chem., 51, 2003, 1530-1533. ass: Semi-standard non-polar; Column length: 30 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 50 C; End T: 280 C; Start time: 1 min; CAS no: 121335; Active phase: DB-5; Data type: Normal alkane RI; Authors: Sasaerila, Y.; Gries, R.; Gries, G.; Khaskin, G.; King, S.; Takacs, S.; Hardi, Sex pheromone components of male Tirathaba mundella (Lepidoptera : Pyralidae), Chemoecology, 13, 2003, 89-93. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 280 C; End time: 10 min; Start time: 0.5 min; CAS no: 121335; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Guillen, M.D.
In contrast to vanilla extract, vanillin is a single chemical compound which can be synthesized either chemically or biologically. Food Chem., 43, 1995, 1878-1882. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 30 C; End T: 200 C; End time: 20 min; Start time: 25 min; CAS no: 121335; Active phase: DB-1; Data type: Normal alkane RI; Authors: Buttery, R.G. Bacterium P. putida, white rot fungus Phanerochaete chrysosporium, and basidiomycetes Ischnoderma benzoinum and Polyporus tuberaster transform phenylalanine through phenylpyruvate and phenylacetaldehyde to phenylacetate, which is then converted into mandelate and benzoylformate.
Food Res. Ferulic acid is one of the most attractive plant secondary metabolites amenable for bioconversion into vanillin. (2011) isolated a resorcinol known as malabaricone C from the Myristica cinnamomea bark extract. Chem., 64(4), 1992, 379-386. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 275 C; Start time: 2 min; CAS no: 121335; Active phase: DB-1; Carrier gas: He; Data type: Normal alkane RI; Authors: Ralph, J.; Hatfield, R.D., Pyrolisys-GC-MS Characterization of Forage Materials, J. Agric. ; Crouch A.M., Application of a headspace sorptive extraction method for the analysis of volatile components in South African wines, J. Agric.
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