| Ivanov, K., Georgiev, E., Maneva, D., Popov, D., and Stamatova, V. 1988. Changes in fennel oil during storage in the presence of heavy metals. Nauchni-Tr.-Vissh. Inst. Khranit. Vkusova Prom.-st. 35:35-46. |
| |
| Akgül, A. 1986. Studies on the essential oils from turkish fennel seeds (Foeniculum vulgare m. var. dulce). In: Progress in Essential Oil Research, eds. Brunke, E.J. W. de Gruyter, Berlin, Germany. 5:487-489. |
| |
| Akgül, A., and Bayrak, A. 1988. Comparative volatile oil composition of various parts from Turkish bitter fennel (Foeniculum vulgare var. vulgare). Food Chem. 30(4):319-323. |
| |
| Badoc, A., Deffieux, G., Lamarti, A., Bourgeois, G., and Carde, J.P. 1994. Essential oil of Foeniculum vulgare Mill. (Fennel) subsp. piperitum (Ucria) Cout. fruit. J. Essent. Oil Res. 6(4):333-336. |
| |
| Baser, K.H.C., Özek, T., Nuriddinov, K.R., Nigmatullaev, A.M., Khadzimatov, K.K., and Aripov, K.N. 1997. Essential oils of Mediasia macrophylla (Regel et Schmalh.) Pimen. and Foeniculum vulgare Mill. from Uzbekistan. J. Essent. Oil Res. 9(2):249-250. |
| |
| Betts, T.J. 1992. Possible value for the gas chromatographic analysis of essential oils of some unusual phase commercial capillaries. J. Chromatogr. A. 626(2):294-300. |
| |
| Cavaleiro, C.M.F., Roque, O.L., and da Cunha, A.P. 1993. Contribution for the characterization of Portuguese fennel chemotypes. J. Essent. Oil Res. 5(2):223-225. |
| |
| Dogan, A., Bayrak, A., and Akgül, A. 1986. Studies on the essential oil of the seed of pepper fennel (Foenilicum vulgare Mill. var. piperitum). Ankara Univ. Ziraat Fak. Yilligi. 314-319. |
| |
| García-Jiménez, N., Péerez-Alonso, M.J., and Velasco-Negueruela, A. 2000. Chemical composition of fennel oil, Foeniculum vulgare Miller, from Spain. J. Essent. Oil Res. 12(2):159-162. |
| |
| Guillén, M.D., and Manzanos, M.J. 1996. A study of several parts of the plant Foeniculum vulgare as a source of compounds with industrial interest. Food Res. Int. 29(1):85-88. |
| |
| Jean, F.I. 1991. Extraction au four micro-ondes des diverses plantes cultivees et spontanitees. Rivista Ital. EPPOS. 504-510. |
| |
| Kubeczka, K.H., 1997. New approaches in essential oil analysis using polymer-coated silica fibers. In: Proceedings of 27th International Symposium on Essential Oils, Vienna, eds. Franz, C., Mathe, A., and Buchbauer, G. Allured Publ. Corp., Carol Stream, Illinois, USA. 139-146. |
| |
| Kubeczka, K.-H., and Formácek, V. 1982. Essential oils analysis by capillary gas chromatography and carbon-13 NMR spectroscopy. :219-226. John Wiley & Sons, Chichester, UK. |
| |
| Lamarti, A., Badoc, A., and Carde, J.P. 1993. Étude chromatographique de l’huile essentielle de la plantule de fenouil amer (Foeniculum vulgare Mill.); caractéristiques spectrales (UV, IR, SM) de ses constituants. Bull. Soc. Pharm. Bordeaux. 132:73-89. |
| |
| Lawrence, B.M. 1980. New trends in essential oils. Perfum. Flavor. 5(4):6-17. |
| |
| Li, C., and Wan, A. 1989. Tile study on the chemical constituents of the essential oil from Chinese Xiaohuixiang and their processed products. Chin. J. Pharm. Anal. 9(6):336-339. |
| |
| Ma, X.-Y., Li, Z.-X., and Chen, Y.-Z. 1989. Chemical composition of the volatile oil from Foeniculum vulgare Mill. of Mienqien. J. Lanzhou Univ. 25(2):68-71. |
| |
| Marotti, M., and Piccaglia, R. 1992. The influence of distillation conditions on the essential oil composition of three varieties of Foeniculum vulgare Mill. J. Essent. Oil Res. 4(6):569-576. |
| |
| Piccaglia, R., and Marotti, M. 1993. Characterization of several aromatic plants grown in northern Italy. Flavour Fragr. J. 8(23):115-122. |
| |
| Roque, O.R., and da Cunha, A.P. 1989. Composição do óleo essencial de Foeniculum vulgare Miller, espontâneo do Algarve. Bol. Fac. Farm. (Coimbra). 13: 45-52. |
| |
| Venskutonis, P.R., Dapkevicius, A., and van Beek, T.A. 1996. Essential oils of fennel (Foeniculum vulgare Mill.) from Lithuania. J. Essent. Oil Res. 8(2):211-213. |
| |
| Zhu, L., Li, Y., Li, B., Lu, B., and Xia, N. 1993. Aromatic plants and essential constituents. South China Institute of Botany, Chinese Academy of Sciences. Peace Book Co. Ltd., Hong Kong. 79. |
| |
| Zygadlo, J.A., Lamarque, A.L., Maestri, D.M., and Grosso, N.R. 1995. Empleo de aceites esenciales como antioxidantes naturales. Grasas y Aceites. 46:285-288. |
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