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Studies on the Determination Method of Natural Sweeteners in Foods - Licorice Extract and Erythritol  

Hong Ki-Hyoung (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Lee Tal-Soo (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Jang Yaung-Mi (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Park Sung-Kwan (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Park Sung-Kug (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Kwon Yong-Kwan (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Jang Sun-Yaung (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Han Ynun-Jeong (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Won Hye-Jin (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Hwang Hye-Shin (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Kim Byung-Sub (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Kim Eun-Jung (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Kim Myung-Chul (Food Additives Team, Nutrition & Functional Food Headquarters, Korea Food & drug Adiministration)
Publication Information
Journal of Food Hygiene and Safety / v.20, no.4, 2005 , pp. 258-266 More about this Journal
Abstract
Licorice Extract and Erythritol, food additives used in korea, are widely used in foods as sweetener. Its application for use in food is regulated by the standard and specification for food additives but official analytical method far determination of these sweetener in food has not been established. Accordingly, we has been carried out to set up analytical method of the glycyrrhizic acid in several foods by the way of thin layer chromatography and high performance liquid chromatography glycyrrhizic acid is qualitative anaylsis technique consists of clean-up with a sep-pak $C_{18}$ cartridge, separation of the sweeteners by Silica gel 60 F254 TLC plate using 1-butanol:4Nammonia solution:ethanol (50:20:10) as mobile solvent. Also, the quantitative analysis for glycyrrhizic acid, was performed using Capcell prk $C_{18}$ column at wavelength 254nm and DW:Acetonitrile (62:38 (pH2.5)) as mobile phase. and we has been carried out to set up analytical method of the erythritol in several foods by the way of high performance liquid chromatography. erythritol is qualitative anaylsis technique consists of clean-up with a DW and hexane. The quantitative analysis for erythritol, was performed using Asahipak NH2P-50 column, Rl and DW:Acetonitrile (25:75) as mobile phase. The glycyrrhizic acid results determined as glycyrrhizic acid in 105 items were as follows; N.D$\∼$48.7ppm for 18 items in soy sauce, N.D$\∼$5.3ppm for 12 items in sauce, N.D$\∼$988.93ppm for 15 items in health food, N.D$\∼$180.7ppm for 26 items in beverages, N.D$\∼$2.6ppm for 8 items in alcoholic beverages repectively and ND for 63 items in the ethers. The erythritol results determined as erythritol in 52 items were as follows; N.D$\∼$155.6ppm for 13 items in gm, N.D$\∼$398.1ppm for 12 items in health foods repectively and ND for 45 items in the others.
Keywords
licorice extract; glycyrrhizic acid; erythritol;
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