1. Korea National Statistical Office. Population projections for Korea: 2005-2050. 2006. p. 2005–2050.
2. Hel KO, Lee EH, Kim SW, Kim KJ, Cha KO. Consumer's Trend and Market. 2006. Seoul: Kyomunsa;p. 79–89.
3. Lee SY. Trends and prospect in market of health functional food. Food Sci Ind. 2007; 40:16–20.
4. Korea Food and Drug Administration. A Study for Improving Food & Drug Statistical Year Book. 2007.
5. Kim JY. Current status of health/functional food-past, present and the future. Safe Food. 2008; 3:6–11.
8. Park JH, Kwon OO. A study on consumption behavior of health functional food. Korean J Food Mark Econ. 2007; 24:43–57.
10. Kim H, Kim M. A study on health-functional foods intake pattern of consumers in Busan and Gyeongnam region. J Korean Living Sci Assoc. 2006; 15:341–352.
11. Ministry of Health & Welfare. Report of National Health and Nutrition Survey 2007. 2008.
12. Kim SH. A study on the use of health functional foods and its related influencing factors of university students in Korea. Korean J Food Cult. 2010; 25:150–159.
13. Kim WY. Tolerable upper Intake Levels for Vitamins and Minerals in Functional Foods for Health (Vitamins and Minerals I) 04052KFDA124. 2004.
14. Jeoug SJ. Plan of information service publicity through the survey on the consumer's usage and recognition of functional food. 2007. Anseong: Chung-Ang University;[master's thesis].