PJB-2009-69
PHYSICO-CHEMICAL ANALYSIS AND DETERMINATION OF VARIOUS CHEMICAL CONSTITUENTS OF ESSENTIAL OIL IN ROSA CENTIFOLIA
M. KHALID SHABBIR1, RAZIYA NADEEM1, HAMID MUKHTAR2, FAROOQ ANWAR1 AND MUHAMMAD W. MUMTAZ1,
Abstract
This paper reports the isolation and characterization of essential oil of Rosa centifolia. The oil was extracted from freshly collected flower petals of R. centifolia with petroleum ether using Soxhlet apparatus. Rosa centifolia showed 0.225% concrete oil and 0.128% yield of absolute oil. Some physico-chemical properties of the extracted oil like colour, refractive index, congealing point, optical rotation, specific gravity, acid number and ester number were determined and were found to be yellowish brown
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