Literature References:1. H. Tang et al. \"Resveratrol-induced cyclooxygenase-2 facilitates p53-dependent apoptosis in human breast cancer cells” Molecular Cancer Therapeutics,vol. 5 pp. 2034, 20062. H. Kim et al. \"Differential Regulation of Cyclooxygenase-2 Expression by Phytosphingosine Derivatives, NAPS and TAPS, and its Role in the NAPS orTAPS-Mediated Apoptosis” Journal of Investigative Dermatology, vol. 121 pp. 1126-1134, 20033. K. Ryu et al. \"Anti-scratching Behavioral Effects of N-Stearoylphytosphingosine and 4-Hydroxysphinganine in Mice” Lipids, Vol. 45 pp. 615-618, 20104. F. Omae et al. \"DES2 protein is responsible for phytoceramide biosynthesis in the mouse small intestine” Journal of Biochemistry, vol. 379 pp. 687-695,20045. J-C. Jung et al. \"Phytoceramide Shows Neuroprotection and Ameliorates Scopolamine-Induced Memory Impairment” Molecules, vol. 16 pp. 9090-9100,2011