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KMID : 1134820170460040529
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Journal of the Korean Society of Food Science and Nutrition
2017 Volume.46 No. 4 p.529 ~ p.536
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Nutritional Components and Physicochemical Properties of Lipids Extracted from Forest Resources
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Kim Mi-So
Park Joon-Hyung
Lim Ho-Jeong
Kim Da-Som
Kim Heo-Sung
Lee Kyoung-Tae
Park Yong-Bae
Shin Eui-Cheol
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Abstract
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Nutritional constituents and physicochemical properties of lipids of forest resources were studied in order to examine their practical utilization in the lipid industry. In this study, Garae, Dongback, Mougwi, and Muwhanja were chosen as sources of fat-soluble components. Fatty acid profiles of forest resources showed more than 80% polyunsaturated fatty acids in total fatty acids. For total tocopherol contents, Garae showed higher content than others; moreover, Dongback was a good source of α-tocopherol. Phytosterols of forest resources ranged from 55.96±2.23 to 194.94±21.42 mg/100 g, and Muwhanja showed the highest phytosterol contents. Chemical properties such as acid value, peroxide value, and p-anisidine value showed good oxidative stability of lipids of forest resources. For physical properties, browning intensity and color parameters were studied. Induction times, as an indicator of oxidative stability, were measured and ranged from 0.70±0.01 to 18.40±1.02 h in four forest resources. Taken together, contents of lipid constituents and physicochemical properties can be used as an important preliminary database for utilization of lipids of forest resources.
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KEYWORD
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forest resource, lipids, fatty acids, tocopherols, phytosterols
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