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This study presents the first reported evaluation of Manchurian apricot ( Prunus mandshurica Skv.) seed kernel oil as a promising feedstock for biodiesel preparation, including a comparison with Siberian apricot ( Prunus sibirica L.) oil. The oil content of the Manchurian apricot kernels (55.17 ± 5.52%) was somewhat higher than that of the Siberian apricot kernels. Similar to Siberian apricot, Manchurian apricot oil has low acid value, indicating that the two oils enabled direct base-catalyzed transesterified for biodiesel production without acid pretreatment. The fatty acid compositions of Manchurian apricot and Siberian apricot oils determined results showed a high percentage of monounsaturated fatty acids (69.15% and 67.78%, respectively). Other than cetane number and oxidation stability, the properties of biodiesel made from the two oils conformed to EN 14214-08, ASTM D6751-10 and GB/T 20828-07 standards. In general, Manchurian apricot represents a potentially useful biodiesel feedstock. |
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