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논문 기본 정보

자료유형
학술저널
저자정보
오현빈 (고려대학교 식품영양학과) 송가영 (고려대학교 식품영양학과) 장양양 (고려대학교 식품영양학과) 정기영 (고려대학교 식품영양학과) 신소연 (고려대학교 식품영양학과) 김영순 (고려대학교 식품영양학과)
저널정보
한국식품조리과학회 한국식품조리과학회지 한국식품조리과학회지 제33권 제3호
발행연도
2017.1
수록면
247 - 255 (9page)

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Purpose: The aim of this study was to investigate the effects of various leaf powders on chocolate by analyzing quality characteristics, antioxidant activities, and sensory characteristics. Methods: Pine needles, mulberry leaves, ramie leaves, barley leaves, and squash leaves were freeze-dried, powdered, and added to the chocolate. Results: Water contents of all leaf powder-added groups were significantly higher than that of the control (15.78%). The pH values of chocolate with leaf powder were lower than that of the control (6.33) while that of mulberry leaf chocolate (6.56) was higher than that of the control. In color measurement, L-value, a-value, and b-value were highest in pine needle chocolate (30.31, 3.52, and 4.78, respectively). The ${\Delta}E$ value (total color difference compared to white board) was the highest in squash leaf chocolate (69.51) and significantly different from that of the control (67.69). The hardness of leaf powder-added chocolate was lower than that of the control (6.84 N), except for pine needles. In the antioxidant activity analysis, chocolate with pine needles and squash leaves had higher polyphenols, flavonoids, and ABTS radical scavenging antioxidant activity than those of the control. Overall consumer acceptability was the most preferred in the control compared to the other groups. However, chocolate with mulberry and barley leaves also received high scores (5.60 and 5.40, respectively) for overall acceptability. Conclusion: It can be concluded that chocolate with barley leaves is desirable for making functional chocolate due to its high consumer preference and positive effects on improving antioxidant activities.

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