Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
권호 표지

Quality Characteristics and Antioxidant Activity of Syrup Added with Maca (Lepidium meyenii) Extract

마카 추출액 첨가에 따른 시럽의 품질특성과 항산화성

  • 정해정 (대진대학교 식품영양학과) ;
  • 박한나 (대진대학교 식품영양학과) ;
  • 추영란 (대진대학교 식품영양학과) ;
  • 전인숙 (대진대학교 식품영양학과) ;
  • 강용수 (유진종합식품)
  • Received : 2009.12.22
  • Accepted : 2010.03.26
  • Published : 2010.04.30
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Abstract

This study was conducted to develop a functional syrup by using maca extract. Five different levels (0%, 7%, 14%, 21%, 28%) of maca extract was added and the physicochemical properties were investigated. The pH of control syrup was lower than that of syrup added with maca extract. Viscosity increased with increasing amount of maca extract. Hunter L value decreased while b value increased as maca extract level increased. Results of consumer acceptance test revealed that no significant differences in flavor, sweet taste and overall acceptability were observed among samples. Therefore, it is suggested that maca extract can be incorporated into syrup up to 28% without depressing the quality. Total polyphenol content and DPPH radical, superoxide anion radical and hydroxyl radical scavenging tests were conducted in view of estimating the functionality of maca syrup. Results showed that incorporation of maca extract into syrup exhibited higher polyphenol content and DPPH radical and superoxide anion radical scavenging activity than control syrup (p<0.05).

음료 베이스용 시럽을 개발하기 위하여 마카 추출액을 다양한 수준(0%, 7%, 14%, 21%, 28%)으로 첨가하고 품질 특성 및 항산화활성을 측정하였다. pH는 대조군보다 첨가군이 낮았고 시럽의 당도는 시료간에 유의적인 차이가 없었으며 점도는 마카추출액의 농도가 증가할수록 증가하였다. 명도를 나타내는 L값은 마카 추출액의 첨가비율이 증가할수록 감소하였고 b값은 증가하였다. 기호도 검사 결과 향, 단맛 및 전반적인 기호도면에서 시료간에 유의적인 차이가 없는 것으로 나타나서 마카 추출액을 28%까지 첨가하여 시럽을 제조하여도 관능성에 부정적인 영향을 미치지 않을 것으로 여겨진다. 마카 시럽의 총폴리페놀 함량은 마카추출액의 첨가량이 증가할수록 증가하여 28% 첨가군이 가장 높게 나타났고 DPPH radical 소거능과 superoxide anion radical 소거능 역시 마카 첨가군이 대조군보다 유의적으로 높게 나타났다.

Keywords

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