Abstract:  An extraction method of natural β-carotene from maize paste was studied. The related factors which affected the extraction rate of β-carotene were examined,and the technology for extraction of β-carotene from maize paste was set up. To raise the purity of β-carotene,the coarse specimen was separated and purified by the column chromatography. The extraction technology can be use to effectually extract the natural β-carotene from maize paste,and provide some reference for enhancing the value of corn gluten meal.

Key words: maize paste； natural &beta, -carotene； extraction； separation；