Fatty Acid Compositions of Fats in Commercial Coffee Creamers and Instant Coffee Mixes and Their Sensory Characteristics
2012
Lee, B.E., Seoul National University, Seoul, Republic of Korea | Lee, H.J., Seoul National University, Seoul, Republic of Korea | Cho, E.A., Seoul National University, Seoul, Republic of Korea | Hwang, K.T., Seoul National University, Seoul, Republic of Korea
This study examined the fatty acid compositions of the fats extracted from 14 commercial coffee creamers and 11 instant coffee mixes, and evaluated the sensory characteristics of the coffees using different coffee creamers. The fat content in the 14 coffee creamers and 11 coffee mixes was 15~28% and 8~14%, respectively. The fats in 12 coffee creamers consisted of 34~45% lauric, 15~19% myristic and 10~18% palmitic acids. The fats in the other 2 coffee creamers consisted of 43% palmitic, 39% oleic and 10% linoleic acids. The fatty acids of the fats in the 11 coffee mixes were almost all saturated with lauric acid being the most abundant (44~45%). Coconut oil or palm kernel oil might have been used to manufacture the 12 coffee creamers and 11 coffee mixes, which had a higher lauric acid content. Palm oil (PO) might be a fat source for the other 2 coffee creamers. The sensory characteristics of five coffee mixes were evaluated based on their fatty acid compositions. The coffees with the creamers, which had a higher lauric acid content, were significantly more acceptable than those with a higher palmitic acid (p less than 0.05). The sensory evaluation of the coffees made with the creamers composed of hydrogenated coconut oil (HCO) and PO at different ratios showed that the acceptability increased with increasing HCO content. This suggests that PO may have a negative impact on the sensory characteristics.
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