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Composition and Physicochemical Properties of Corn Wax
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  • Bao Kang,
  • Yameng Liu,
  • Ruinan Yang,
  • Shaohua Liang
Bao Kang

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Yameng Liu
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Ruinan Yang
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Shaohua Liang
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Abstract

Corn wax, as a kind of vegetable wax, is a by-product of the corn oil industry. In this study, the corn wax was purified from the corn oil refineries. The composition and physicochemical properties of corn wax were studied to provide theoretical guidance for the production and application of corn wax. The results showed that the purity of corn wax was higher than 95%, and the corn wax ester ranged from C42 to C58, with C46, C44, and C48 being predominant. The fatty acid carbon atom of corn wax was in the range of 16-30, with higher percentages of C20, C22, and C24. The fatty alcohol of corn wax was in the range of C20-C32 and dominated by C22, C24, C30, and C23. The physicochemical properties of corn wax were also determined and compared with other vegetable and animal waxes to get a more comprehensive understanding of corn wax. The results showed that corn wax was a green and healthy natural resource with great potential for application in food, health care, and medicine.