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http://dx.doi.org/10.17703/JCCT.2022.8.6.631

Alcohol content analysis for Takju, a representative traditional liquor in Korea  

Oh, Chang-Hwan (Bio Food and Nutrition Science, Semyung Univ.)
Publication Information
The Journal of the Convergence on Culture Technology / v.8, no.6, 2022 , pp. 631-636 More about this Journal
Abstract
Alcohol content, which is an important standard for Takju, a traditional multiple parallel fermentation liquor called makgeolli, is a factor that can affect the flavor. For alcohol content analysis, the distillation/hydrometry technique is mainly used. In this study, we analyzed the alcohol content of 14 commercially available Takju by the distillation/hydrometry technique and the improved GC method, respectively, after verifying the reliability of improved GC method. The precision and accuracy of the GC method were satisfactory, and LOQ and LOD were evaluated as 0.5% and 0.1% of ethanol contents, respectively. Among the three Takju exceeding the labelled alcohol content ±1, one Takju was quantitated as alcohol content 9.9% (by GC method) and 10.1% (distillation/hydrometry technique) exceeding labelled 6.0%. It was within the analytical error range of alcohol content for other two Takju, where the alcohol contents were exceeded -1.1%. The average precision (%RSD) of 14 Takju analyzed by the distillation/hydrometry technique (36.2%) and the GC method (12.8%), confirming that the GC method was better than the other. The improved GC method was evaluated to be effective in managing and improving the alcohol content standard of Takju with the wide range of alcohol content.
Keywords
Takju; Makgeolli; Alcohol Content; Distillation/Hydrometry Technique; GC; Standard Improvement;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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1 KIPF, "Research on Liquor Administration under the Liquor Tax Act," Korea Institute of public finance, Seoul, Korea, 2012.
2 Man reading liquor, "How come it is not 6%alcohol? - Jipyeong Saengmakgeolli Rice Makgeolli," 2020. https://cthulhu00.tistory.com/14
3 C. M. Ickes, K. R. Caadwallader, "Effect of ethanol on flavor perception of Rum," Food Sci Nutr, Vol. 6, pp 912-924, 2018. https://doi.org/10.1002/fsn3.629   DOI
4 NTS LLSC, "A guidebook for brewer," pp 35, NTS Liquor License Support Center, Seogwipo-si, Jeju, Korea, 2022. https://i.nts.go.kr/llsc/na/ntt/selectNttInfo.do
5 The Liquor Tax Law, [Implementation Jan. 1st, 2022] [Law 18593, Dec. 21st, 2021., Revision of a Part], 2021. https://www.law.go.kr/%EB%B2%95EB%A0%B9/%EC%A3%BC%EC%84%B8%EB%B2%95
6 KaTi, "Makgeolli," Korea Agro-Fisheries & Food Trade Corporation, 2022. https://m.kati.net/product/basisInfo.do?lcdCode=MD172
7 J. H. Lee, "The golden age of makgeolli, 'Premium 2030 led'," 2021. https://www.ajunews.com/view/20210120114816076
8 W. Myung, "150,000 won makgeolli sold out, premium traditional liquor market is on fire," Magazine dongA, 2020. https://weekly.donga.com/List/3/all/11/2196649/1
9 NTS, "Alcohol analysis regulations," National Tax Service Order 2221, Korea, 2017.
10 N. G. Lee, "Physicochemical Characteristics and Antioxidant Activity of Makgeolli," J Convergence Cult Technol, Vol. 6, No. 4, pp. 739-745, 2020. https://doi.org/10.17703/JCCT.2020.6.4.739   DOI
11 C. H. Oh, "Simultaneous Gas Chromatographic Quantitation Of Ethanol And Methanol From Beer," Int J Sci Technol Res, Vol. 9, No. 02, pp 3249-3253, 2020.
12 G. W. Latimer, "Official methods of analysis of AOAC International," AOAC International, Rockville, MD, USA. 2016.