Method for preparing chili seed oil with stable spicy fragrance

The invention discloses a method for preparing chili seed oil with stable spicy fragrance. The method comprises the following steps: 1) steaming and stir-frying the chili seeds in a closed steaming and stir-frying machine to a red color, and then moving the chili seeds into a constant temperature mill for constant temperature pressing, so as to obtain chili seed crude oil No. I; 2) placing the chili seed crude oil No.I and a chili skin powder in an agglomeration molding machine for agglomerating into coarse grains, and then placing the coarse grains into the constant temperature mill for secondary pressing, so as to obtain a chili seed crude oil No. II; 3) centrifuging and clarifying the chili seed crude oil No.II in a high speed centrifuge to remove impurities and obtain purified chili seed oil; and 4) homogenizing the purified chili seed oil in a high pressure homogenizer to obtain the chili seed oil with stable spicy fragrance. The method blends the composition of chili seed and chili skin, and oil and the fragrant substances contained in the chili skin are fully integrated, so that the chili oil has stable spicy fragrance. The preparation temperature is low, so as to reduce volatilization of the fragrant substances in the chili to some extent.