Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Monitoring of Natural Preservative Levels in Food Products

가공식품 중 천연유래 보존료 함량에 대한 조사

  • Park, Eun-Ryong (Center for Food and Drug Analysis, Gyeongin Regional Food & Drug Adminstration) ;
  • Lee, Sun-Kyu (Center for Food and Drug Analysis, Gyeongin Regional Food & Drug Adminstration) ;
  • Hwang, Hye-Shin (Center for Food and Drug Analysis, Gyeongin Regional Food & Drug Adminstration) ;
  • Mun, Chun-Sun (Center for Food and Drug Analysis, Gyeongin Regional Food & Drug Adminstration) ;
  • Gwak, In-Shin (Food Safety Evaluation Department, Korea Food & Drug Adminstration) ;
  • Kim, Ok-Hee (Center for Food and Drug Analysis, Gyeongin Regional Food & Drug Adminstration) ;
  • Lee, Kwang-Ho (Food Safety Evaluation Department, Korea Food & Drug Adminstration)
  • 박은령 (경인지방식품의약품안전청 시험분석센터) ;
  • 이선규 (경인지방식품의약품안전청 시험분석센터) ;
  • 황혜신 (경인지방식품의약품안전청 시험분석센터) ;
  • 문춘선 (경인지방식품의약품안전청 시험분석센터) ;
  • 곽인신 (식품의약품안전청 식품평가부) ;
  • 김옥희 (경인지방식품의약품안전청 시험분석센터) ;
  • 이광호 (식품의약품안전청 식품평가부)
  • Published : 2008.12.31
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Abstract

In the current food sanitation regulation, food additives are under controlled by the Food Code. The naturally derived preservatives such as benzoic acid and propionic acid can be naturally carried over or produced as metabolites during manufacturing process such as fermentation. To monitor naturally formed benzoic acid and propionic acid levels, a total of 145 samples were classified into berries (prune, cranberry), functional foods (propolis liquid, ginseng product), vinegars (vinegar-based drink, vinegar beverage, vinegar), and salted and pickled products (olive, pickled cucumber, salted/pickled product) and analyzed by HPLC-PDA and GC-FID. From the results, benzoic acid and propionic acid were each detected and identified in 144 samples and 64 samples respectively. The amount of benzoic acid ranged from $4.1{\sim}478.4\;ppm$ in cranberry, from $49.7{\sim}491$ in propolis liquid, and from $2.5{\sim}10.2\;ppm$ in ginseng, and other tested samples contained very small quantity. Also, the amount of propionic acid ranged from $179.8{\sim}951.9\;ppm$ (av. 553.6 ppm) in vinegar (persimmon vinegar 100%), which was the highest level among fermented foods, from $13.7{\sim}247.0$ ppm in propolis liquid, from $2.0{\sim}180.7\;ppm$ in vinegar-based drink, and from $1.6{\sim}76.6\;ppm$ in olive. Vinegar beverage and pickled cucumber each showed 24 and 18 ppm of propionic acid; in contrast, propionic acid was not detected in prune, cranberry, ginseng, and picked/salted products.

보존료를 인위적으로 첨가하지 않았음에도 프로피온산, 안식향산이 천연 원료로부터 이행되거나 발효 및 숙성과정에서 미생물의 대사산물로써 생성되는 제품군들을 선정하여 berry류, 건강기능식품, 식초음료류, 초(염)절임류 등 4그룹으로 분류하였다. 145건의 시료로부터 안식향산과 프로피온산의 함량과 재래식 발효법에 의한 감식초의 담금, 발효기간에 따른 프로피온산의 함량변화를 조사하였다. 재래식 방법으로 담금한 감식초에서 발효과정 중의 프로피온산 생성을 확인할 수 있었으며, 식품 중 안식향산과 프로피온산의 모니터링을 위하여 제조공정 중 안식향산 및 프로피온산을 사용하지 않은 식품 중 berry류(푸룬, 크랜베리), 건강기능식품(프로폴리스추출물제품, 인삼제품), 식초음료류(식초음료베이스, 식초혼합음료, 과실식초), 절임류(올리브제품, 염절임류, 오이피클류, 초절임류) 등 145건을 분석한 결과, 145건의 시료 중 144건의 시료에서 안식향산이 검출되었으며, 크랜베리와 프로폴리스 추출물제품 중에는 최대 약 500 ppm 농도의 안식향산이 원료로부터 천연유래된 것으로 나타났다. 프로피온산은 시료 64건에서만 검출되었으며, 프로폴리스 추출물 제품의 경우 원료로부터 천연유래 된 것으로 나타났고, 과실식초음료류와 올리브 제품의 경우는 식품의 제조과정 중 발효 및 숙성에 의한 부산물로써 천연유래된 것으로 사료되어진다.

Keywords

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