; Hansen, T.J.; Aldinger, S.B. Food Chem., 40, 1992, 1925-1929. ass: 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: 210 C; Start time: 4 min; CAS no: 141786; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Takeoka, G.R. Med., 47, 1989, 525-532. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 160 C; Start time: 5 min; CAS no: 141786; Active phase: DB-5; Carrier gas: He; Data type: Normal alkane RI; Authors: Macku, C.; Shibamoto, T., Headspace volatile compounds formed from heated corn oil and corn oil with glycine, J. Agric. Making esters from alcohols and acyl chlorides. ; Byun, M.W., Color, flavor, and sensory characteristics of gamma-irradiated salted and fermented anchovy sauce, Radiation Phys. XXXII. Chem., 62, 1990, 2676-2684. ass: Standard non-polar; Column diameter: 0.31 mm; Column length: 25 m; Column type: Capillary; CAS no: 141786; Active phase: OV-101; Carrier gas: He; Data type: Normal alkane RI; Authors: Morales, A.L. ; Roshchina, T.M., G as chromatography study of silica modified with polyfluoroalkyl groups, J. Chromatogr. ; Teranishi, R., Comparison of headspace volatiles from winged beans and soybeans, J. Agric. Athena (muskmelon) by GC-MS and GC-O, J. Agric. Food Chem., 37(2), 1989, 418-420. ass: Standard non-polar; Column type: Capillary; CAS no: 141786; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Estrada, E.; Gutierrez, Y., Modeling chromatographic parameters by a novel graph theoretical sub-structural approach, J. Chromatogr. Chem., 62, 1990, 2676-2684. ass: Standard polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 80 C; End T: 200 C; CAS no: 141786; Active phase: Carbowax 20M; Carrier gas: N2; Data type: Normal alkane RI; Authors: Mihara, S.; Tateba, H.; Nishimura, O.; Machii, Y.; Kishino, K., The volatile components of Chinese quince (Pseudocydonia sinensis Schneid), in Flavors and Fragrances: A World Perspective. Comparison of determination method for volatile compounds in Thai soy sauce, Food Chem., 83, 2003, 619-629. ass: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 45 C; End T: 220 C; CAS no: 141786; Active phase: HP-FFAP; Carrier gas: Helium; Phase thickness: 0.50 um; Data type: Normal alkane RI; Authors: Wanakhachornkrai, P.; Lertsiri, S., Comparison of determination method for volatile compounds in Thai soy sauce, Analytical, Nutritional and Clinical Methods, , 9999, 1-11. class: Standard polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Description: 70C(1min) => 3C/min => 142C => 5C/min => 225C(10min); CAS no: 141786; Active phase: FFAP; Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Echeverria, G.; Correa, E.; Ruiz-Altisent, M.; Graell, J.; Puy, J.; Lopez, L., Characterization of Fuji apples from different harvest dates and storage conditions from measurements of volatiles by gas chromatography and electronic nose, J. Agric. Bot., 29, 1981, 195-208. class: Standard polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 50C=>2.5C/min => 150C =>1.5C/min=>210C; CAS no: 141786; Active phase: DB-Wax; Carrier gas: He; Data type: Linear RI; Authors: Yang, M.-S.; Chyau, C.-C.; Horng, D.-T.; Yang, J.-S., Effects of Irradiation and Drying on Volatile Components of Fresh Shiitake edodes (Lentinus Sing), J. Sci. Food Chem., 48, 2000, 4868-4873. ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 250 C; End time: 20 min; CAS no: 141786; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Brat, P.; Rega, B.; Alter, P.; Reynes, M.; Brillouet, J.-M., Distribution of volatile compounds in the pulp, cloud, and serum of freshly squeezed orange juice, J. Agric. Chromatogr., 106, 1975, 317-325. umn class: Standard non-polar; Column length: 12 ft; Column type: Packed; Start T: 150 C; CAS no: 141786; Active phase: SE-30; Substrate: Celaton (62-72 mesh); Data type: Kovats RI; Authors: Ashes, J.R.; Haken, J.K., Gas chromatography of homologous esters. Reihe, 33, 1984, 6-9. umn class: Standard non-polar; Column diameter: 0.22 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 141786; Active phase: SE-30; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G. ; Soderstrom, E.L.; Ogawa, J.M. Food Chem., 29, 1981, 57-63. ass: Standard non-polar; Column diameter: 0.31 mm; Column length: 25 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 60 C; End T: 200 C; CAS no: 141786; Active phase: OV-101; Carrier gas: He; Data type: Kovats RI; Authors: Morales, A.L. In this case, “ethanoate” part comes from ethanoic acid and the “ethyl” part comes from the ethyl group on the end. Earth, 24(6), 1999, 729-732. ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 100 C; End T: 260 C; CAS no: 141786; Active phase: RTX-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Restek, Restek International, 1999 Product Guide, 1(1), 1999, 578-591, In original 578-591. class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 70 0C (1 min) ^ 3 0C/min -> 142 0C ^ 5 0C/min -> 225 0C (10 min); CAS no: 141786; Active phase: BPX-5; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ortiz, A.; Echeverra, G.; Graell, J.; Lara, I., Calcium dips enhance volatile emission of cold-stored "Fuji Kiki-8" apples, J. Agric. Capillary chromatography of C1-C18 monochlorinated n-alkyl acetates, J. Capillary chromatography of C1-C18 monochlorinated n-alkyl acetates, J. An alkyl group is a length of alkane molecule ( minus one hydrogen atom) eg : - CH3 ( methyl) , - C3H7 (propyl). hyb) and "Thornless Evergreen" (R.laciniatus L.) Blackberries, J. To the menu of other organic compounds . Taking ethanol reacting with ethanoic anhydride as a typical reaction involving an alcohol: There is a slow reaction at room temperature (or faster on warming). Food Chem., 32, 1984, 92-94. class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 3 min at 5 C; 5 - 50 C at 3 deg/min; 50 - 220 C at 5 deg/min; CAS no: 141786; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ciccioli, P.; Brancaleoni, E.; Cecinato, A.; Sparapani, R.; Frattoni, M., Identification and determination of biogenic and anthropogenic volatile organic compounds in forest areas of Northern and Southern Europe and a remote site of the Himalaya region by high-resolution gas chromatography-mass spectrometry, J. ; Flath, R.A.; Guntert, M.; Jennings, W., Nectarine volatiles: vacuum steam distillation versus headspace sampling, J. Agric. ; Jennings, W.G., Gas chromatographic and sensory analysis of volatiles from cling peaches, J. Agric. ; Miracle E.R. This prevents the reverse reaction happening. ; Fernandez, M.; Ordonez, J.A., Changes in selected biochemical and sensory parameters as affected by the superficial inoculation of Penicillium camemberti on dry fermented sausages, Int. Naturforsch., 58c, 2003, 797-803. ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 35 C; End T: 240 C; Start time: 3 min; CAS no: 141786; Active phase: FFAP; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Lecanu, L.; Ducruet, V.; Jouquand, C.; Gratadoux, J.J.; Feigenbaum, A., Optimization of headspace solid-phase microextraction (SPME) for the odor analysis of surface-ripened cheese, J. Agric. . ; Madruga, M.S. Phys., 3, 2003, 665-682. ass: Semi-standard non-polar; Column type: Capillary; CAS no: 141786; Active phase: RTX-5; Data type: Linear RI; Authors: Fuhrmann, E.; Grosch, W., Character impact odorants of the apple cultivars Elstar and Cox Orange, Nahrung/Food, 46(3), 2002, 187-193. class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 0C =>rapidly=> 40C(8min)=>4C/min =>250C(10min); CAS no: 141786; Active phase: CP Sil 8 CB; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Duckham, S.C.; Dodson, A.T.; Bakker, J.; Ames, J.M., Volatile flavour components of baked potato flesh. Unters. ; Ding, S.F. This page looks at esterification - mainly the reaction between alcohols and carboxylic acids to make esters. Oil Res., 16, 2004, 318-320. ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 280 C; End time: 5 min; Start time: 2 min; CAS no: 141786; Active phase: CP-Sil 8CB-MS; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Hierro, E.; de la Hoz, L.; Ordonez, J.A., Headspace volatile compounds from salted and occasionally smoked dried meats (cecinas) as affected by animal species, Food Chem., 85, 2004, 649-657. ass: Semi-standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 100 C; End T: 250 C; CAS no: 141786; Active phase: SPB-5; Carrier gas: He; Phase thickness: 1.5 um; Data type: Linear RI; Authors: Rodriguez-Burruezo, A.; Kollmannsberger, H.; Prohens, J.; Nitz, S.; Nuez, F., Analysis of the volatile aroma constituents of parental and hybrid clones of pepino (Solanum muricatum), J. Agric. By accepting you will be accessing a service provided by a third-party external to https://mychem.co.uk/. So, for example, CH3CH2COOH is propanoic acid, and CH3CH2COO is the propanoate group. Chromatogr., 26(2), 2008, 212-222. ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 250 C; End time: 15 min; Start time: 2 min; CAS no: 141786; Active phase: DB-5; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Fan, W.; Qian, M.C., Characterization of Aroma Compounds of Chinese "Wuliangye" and "Jiannanchun" Liquors by Aroma Extract Dilution Analysis, J. Agric. ; McGorrin, R.J., Gas chromatography-mass spectroscopy investigations on the flavor chemistry of oat groats, J. Agric. umn class: Semi-standard non-polar; Column diameter: 0.321 mm; Column length: 60 m; Column type: Capillary; Start T: 80 C; CAS no: 141786; Active phase: DB-5; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Mijin, D.; Antonovic, D.G., The temperature dependence of the retention index for n-alkyl esters of acetic, propionic, cyclohexanecarboxylic, benzoic and phenylacetic acid on DB-1 and DB-5 capillary columns, J. Serb. A carboxylic acid contains the -COOH group, and in an ester the hydrogen in this group is replaced by a hydrocarbon group of some kind. If you choose to follow any of these links, use the BACK button (or GO menu or HISTORY file) on your browser to return to this page. ; Trugo, L.C., Chemical composition of acerola fruit (Malpighia punicifolia L.) at three stages of maturity, Food Chem., 71, 2000, 195-198. ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 141786; Active phase: DB-1; Data type: Normal alkane RI; Authors: Binder, R.G. Khim., 44(1), 1989, 68-73, In original 84-89. umn class: Semi-standard non-polar; Column diameter: 0.28 mm; Column length: 15 m; Column type: Capillary; Start T: 130 C; CAS no: 141786; Active phase: SE-54; Carrier gas: Ar; Phase thickness: 2.5 um; Data type: Kovats RI; Authors: Grigor'eva, D.N. as food flavourings and in perfumes, 4.43C practical: prepare a sample of an ester such as ethyl ethanoate. Usually, esters are derived from a substitution reaction of carboxylic acid and an alcohol.