1. 1) Norman J., “The Complete Book of Spices,” Dorling Kindersley, 1990, p. 58.
2. 2) Guenther E., “The Essential Oils,” Vol. 4, D. Van. Norstrand Company, 1952, pp. 551-552.
3. A phenolic glucoside from the seeds of Carum copticum
4. Water-Soluble Constituents of Fennel. IX. Glucides and Nucleosides.
5. 5) Klyne W., “Determination of Organic Structure by Physical Methods,” ed. by Braude E.A., Nachod F.C., Academic Press, New York, 1975, p. 73