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http://dx.doi.org/10.3746/jkfn.2005.34.4.503

Chemical Properties of Olive and Bay Leaves  

Lee, Ok-Hwan (Dept. of Food Science and Technology, Chungbuk National University)
Lee, Hee-Bong (Dept. of Food Science and Technology, Chungbuk National University)
Lee, Junsoo (Dept. of Food Science and Technology, Chungbuk National University)
Son, Jong-Youn (Institute of Food Industry and Biotechnology, Dept. of Food and Biotechnology, Hankyong National University)
Rhee, Seong-Kap (Institute of Food Industry and Biotechnology, Dept. of Food and Biotechnology, Hankyong National University)
Kim, Hyun-Duk (Institute of Food Industry and Biotechnology, Dept. of Food and Biotechnology, Hankyong National University)
Kim, Young-Chan (Korea Food Research Institute)
Lee, Boo-Yong (Graduate School of Complementary Alternative Medicine, Pochon CHA University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.34, no.4, 2005 , pp. 503-508 More about this Journal
Abstract
The chemical properties of olive and bay leaves were investigated and analyzed to provide basic data for food materialization and processing. The moisture contents of olive and bay leaves were $3.95\%$ and $8.50\%$, respectively. The contents of crude protein, crude fat, crude ash and carbohydrates of olive leaf were $11.04\%,\;7.45\%,\;5.05\%\;and\;76.46\%$, respectively. And the contents of same those components of bay leaf were $7.23\%,\;7.21\%,\;3.72\%\;and\;81.84\%$, respectively. Glutamic acid $(1086.8\;mg\%)$and aspartic acid $(918.8\;mg\%)$ in olive leaf were major amino acids, glutamic acid $(621.2\;mg\%)$ and leucine $(558.6\;mg\%)$ in bay leaf were the major amino acids. The major free sugar of olive leaf was sucrose $(1.55\%)$. Whereas major free sugar of bay leaf was glucose $(1.54\%)$. Palmitic acid $(olive\;33.0\%,\;bay\;17.8\%)$ and linolenic acid $(olive\;31.1\%,\;bay\;35.2\%)$ were major fatty acid in crude fat of both olive leaf and bay leaf. The Ca contents were the highest in olive leaf $(929.6\;mg\%)$and bay leaf $(836.2\;mg\%)$. Vitamin A contents of olive and bay leaves were 5.10 mg/100 g and 6.49 mg/100 g, respectively. Vitamin C contents of olive and bay leaves were 36.64 mg/100 g and 13.86 mg/100 g, respectively. But vitamin $B_6$ and $B_{12}$ were not detected.
Keywords
olive leaf; bay leaf; chemical properties; analysis;
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