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Physico-chemical study of fixed oils of Pterospermum acerifolium plant

Author(s): M.Amin, S.S.Sawhney, Shanni Kumar

The present communication attempts to evaluate the physicochemical studies on the oil of Pterospermum acerifolium. The oil was extracted fromfreshly collected leaves and roots of Pterospermum acerifolium with petroleumether using Soxhlet apparatus. Pterospermum acerifoliumleaves showed 20.0% and roots showed 25.7% yield of absolute oil. Some Physico-chemical properties of the extracted oil like colour, (Flower -Yellow greenish Roots - Pale yellow) Relative density (Leaf - 0.420 Roots - 0.76),ReichterMeissel value, (0.22 ± 0.01 for leaf oil and 0.28 ± 0.22 for root oil) Saponification value, (39.27 ± 0.05 for leaf oil and 30.08 ± 0.12for root oil) Iodine value, (1.21 ± 0.11for leaf oil and 5.50 ± 0.11for root oil) Acid value, (23.5 ± 0.03 for leaf oil and 27.70 ± 0.06 for root oil) Ester value, (15.70 ± 0.08 for leaf oil and 12.08 ± 0.07 for root oil), Peroxide value (7.5 ± 0.09 for leaf oil and 10.70 ± 0.011 for root oil) were determined.

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