Sesame oil and preparation method thereof

The invention relates to sesame oil and a preparation method thereof. The preparation method comprises: (a) steaming sesame for 3-30 min with water vapor, and squeezing oil while controlling the oil yield at 5-20 wt% to obtain sesame oil a and sesame cake; (b) mixing the sesame cake and water and frying for 15-40 min at a temperature of 100-150 DEG C, or cooking the sesame cake for 40-100 min withwater vapor; (c) squeezing oil to obtain sesame oil b; and (d) mixing the sesame oil a and the sesame oil b. According to the present invention, the sesame oil obtained through the method comprises volatile substances, wherein the total amount VCal of benzaldehyde and/or phenylacetaldehyde accounts for 5-30 wt% of the total amount of the volatile substance VCt, and the fatty alcohol content VColin the volatile substance accounts for 1-6 wt% of the total amount of the volatile substance VCt. 本发明涉及种芝麻油及其制备方法。所述方法包括(a)将芝麻用水蒸气蒸煮3-30分钟，随后榨油并将出油率控制在5-20重量％，得到芝麻油a和芝麻饼；(b)将芝麻饼与水混合并在100-150℃炒料15-40分钟或者将芝麻饼用水蒸气蒸煮40-100分钟；(c)榨油