VARIATION OF THE VOLATILE CONSTITUENTS OF FRUIT PEELS OF CITRUS RETICULATA BLANCO BY PHYSICAL EFFECTS
Journal Title: International Research Journal of Pharmacy (IRJP) - Year 2011, Vol 2, Issue 6
Abstract
The chemical composition of volatile oil of the fruit peels of Citrus reticulata Blanco (Rutaceae) of Delhi Region has been studied under different physical factors. The oil was composed mainly monoterpenes (99.1 %) constituting l-limonene (92.4 %), -terpene (2.6 %) and -phellandrene (1.8 %). The volatile oil after heating at 110C for 24 hours, exposing to sunlight for 48 hours and UV light for 24 hours and after treatment with silica gel and alumina neutral for 24 hours contained the above three major components in varied amounts. -Pinene, -phellandrene, l-limonene, - terpinene and l-linalool were detected in all oil samples. -Thujene and trans--caryophyllene were produced when the oil was treated with silica gel for 24 hours. Trans-Verbenol was determined when the oil was heated at 110C for 24 hours and exposed to sunlight for 48 hours. Terpen-4-ol disappeared in all the samples except exposition to the sunlight. Cis--farnesene, present in the fruit peels in trace amount, was not detected in other oil samples after impact of physical factors.
Authors and Affiliations
Shahnaz Husain , Ali Mohammed , Shahid Ansari
Keywords
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