Extraction Process of Seed Oil from Styrax tonkinensis by Soxhlet Method
Soxhlet extraction process was applied to extract seed oil from Styrax tonkinensis.Single factor tests and orthogonal experiments were carried out to investigate the effects of extraction solvent,liquid to material ratio,extraction time and extraction temperature on the yield of seed oil.The optimized process for extracting of seed oil from S.tonkinensis was as follows,using petroleum ether(60～90℃) as extraction solvent,liquid to material ratio as 25∶1(V∶m,mL/g),extracting for 4 h at 80 ℃.The yield of seed oil was 55.87％ under these conditons.
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