Journal of the East Asian Society of Dietary Life (동아시아식생활학회지)

The East Asian Society of Dietary Life (동아시아식생활학회)
권호 표지

Physicochemical Properties of Jelly Prepared with Garlic

마늘을 이용하여 제조한 젤리의 이화학적 품질 특성

  • Jung, Eun-Young (Dept. of Food and Nutrition, College of Health Science, Korea University) ;
  • Lee, Hyun-Sun (Dept. of Food and Nutrition, College of Health Science, Korea University) ;
  • Oh, Yoon-Ho (Gaepo High School) ;
  • Son, Heung-Soo (Dept. of Food and Biotechnology, Ansan College of Technology) ;
  • Suh, Hyung-Joo (Dept. of Food and Nutrition, College of Health Science, Korea University)
  • Received : 2009.06.15
  • Accepted : 2009.07.01
  • Published : 2009.08.31
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Abstract

In this study, the physicochemical and sensory characteristics of jellies prepared with various types and amounts of garlic were investigated; jellies with dried garlic powder (0.5%, 1%, 1.5%, 2%), jellies with $50^{\circ}$ brix fresh garlic extract (0.5%, 1%, 1.5%, 2%), jellies with $15^{\circ}$ brix black garlic extract (5%, 10%, 15%, 20%). The total polyphenols, flavonoids and crude protein contents of the black garlic extract were similar to those of the fresh garlic extract. The ability of the black garlic extract to scavenge 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2'-azinobis (3-ethylbenzthiazoline-6 -sulfonate) (ABTS) radicals were significantly (p<0.01) higher than those of the fresh garlic extract. The Hunter b values decreased as the amount of added garlic increased. In addition, the hardness and gel strength of texture also decreased as the amount of added garlic increased. The flavor preference of jellies prepared with the dried garlic powder (1% and 1.5%) was significantly lower compared to normal jelly (p<0.05). Jelly prepared with 20% black garlic extract showed the highest texture preference of all the tested jellies (p<0.05). There were no significant differences in color, taste and overall preference between normal jelly and garlic jellies.

마늘을 이용한 젤리류 개발하기 위해 건조 마늘 분말(0.5%, 1%, 1.5%, 2% 첨가), 생마늘 추출액(0.5%, 1%, 1.5%, 2% 첨가) 및 흑마늘 추출액(5%, 10%, 15%, 20% 첨가) 이용하여 마늘 젤리를 제조하였다. 첨가 재료에 대한 실험 결과, 마늘 추출물과 흑마늘 추출물은 총 폴리페롤, 총 플라보노이드 및 조단백질 함량에 유의한 차이를 보이지 않았으나, 생마늘 추출액에 비해 흑마늘 추출액은 총 당함량이 유의하게 적은 것으로 나타났으며 흑마늘 추출액이 생마늘 추출액에 비해 DPPH와 ABTS 라디컬 소거능이 높은 것으로 나타났다. 제조된 마늘 젤리의 조직감 및 색도 평가에서 마늘의 첨가되는 양이 많을수록 무첨가한 젤리와 유의적 차이를 보였다. 전반적으로 마늘의 첨가는 젤리의 관능적 인지도에 영향을 미치지 않는 것으로 나타났으며, 흑마늘의 첨가는 조직감의 기호를 높일 수 있는 것으로 나타났다.

Keywords

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