Korean Journal of Community Nutrition (대한지역사회영양학회지)

The Korean Society of Community Nutrition (대한지역사회영양학회)
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A Study on Vitamin C Content of Nutrition Emphasized Products

영양강조표시제품 중 비타민 C 함량 조사

  • Jeong, Da-un (Laboratory of Food Safety, Department of Food & Nutrition, College of Human Ecology, Hanyang University) ;
  • Lee, Heon-Ok (Laboratory of Food Safety, Department of Food & Nutrition, College of Human Ecology, Hanyang University) ;
  • Kim, Young-Kyoung (Korea Health Supplement Association Sub, Korea Health Supplement Institute) ;
  • Om, Ae-Son (Laboratory of Food Safety, Department of Food & Nutrition, College of Human Ecology, Hanyang University)
  • 정다운 (한양대학교 식품영양학과) ;
  • 이헌옥 (한양대학교 식품영양학과) ;
  • 김영경 (한국건강기능식품협회 부설 한국기능식품연구원) ;
  • 엄애선 (한양대학교 식품영양학과)
  • Received : 2016.11.22
  • Accepted : 2016.12.24
  • Published : 2016.12.31
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Abstract

Objectives: Vitamin C has various functions such as antioxidative effect and supporting absorption of iron (Fe). Aim of this present study was to provide vitamin C nutrition information and to briefly evaluate absorption interaction of vitamin C and Fe content of vitamin C emphasized products. Methods: Vitamin C emphasized foods including beverages, cereal, snacks, chocolate products, other cocoa products, and sugary products were examined by HPLC. Fe contents in samples after dry-ashing were examined by ICP. Results: Vitamin C content ranges in various products tested were the following: beverages (n=11) $20.15{\pm}0.08{\sim}845.41{\pm}6.07mg$, cereal (n=11) $52.50{\pm}0.23{\sim}262.50{\pm}0.07mg$, snacks (n=1) $50.00{\pm}0.25mg$, chocolate products (n=1) $311.73{\pm}2.44mg$, other cocoa products (n=1) $311.73{\pm}2.44mg$, other sugary products (n=2) $52.50{\pm}0.23{\sim}262.50{\pm}0.07mg$. Vitamin C (n=27) analysis values ranged from 82 to 450% of the labeled value. Vitamin C content in vitamin C emphasized food (n=6) was estimated 7.7 times~56.6 times more than Fe content. Conclusions: Analyzed samples ranged more than 80% of the labeled value in vitamin C emphasized products, which complied with food labeling regulation. But, beverages (n=3), cereal (n=4), chocolate products (n=1) were 2 times more than the labeled value. To provide accurate nutrition information, food manufactures should supervise nutrition labeling and understand the interactions between nutrients. Also, consumer should decide about the adequate amount of nutrient intake by thoroughly checking nutrition labeling.

Keywords

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