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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Quality Characteristics of String Cheese Prepared with Barley Sprouts

새싹보리를 첨가한 스트링치즈의 품질 특성

  • Received : 2017.05.11
  • Accepted : 2017.07.03
  • Published : 2017.07.31
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Abstract

The objective of this study was to evaluate the quality characteristics of string cheese with different concentrations (0, 1, and 2%) of barley sprout (Hordeum vulgare L.) powder. The pH of barley sprout string cheese (6.26) was significantly lower compared to that of the control (6.46). Chromaticity tended to decrease with increasing amounts of barley sprout powder in terms of L* (lightness) and a* (redness), whereas b* (yellowness) tended to increase. In the texture profile analysis, string cheese prepared with barley sprout powder showed higher values of hardness, gumminess, and chewiness but lower value of cohesiveness. The string cheese prepared with barley sprout powder also showed higher values for total amino acids and stretchability. Total polyphenol contents of string cheese showed the highest value when barley sprout powder was 2%. Therefore, addition of barley sprout powder to string cheese can be valuable for improving quality of string cheese.

본 연구에서는 새싹보리를 첨가하여(1, 2%) 스트링치즈를 제조하고 품질 특성을 검토하였다. pH는 새싹보리를 첨가한 스트링치즈에서 낮은 값을 보였으며 첨가 농도에 따른 유의적 차이는 보이지 않았다. 아미노산 함량은 새싹보리를 첨가함에 따라 threonine, cysteine, tyrosine, arginine, alanine, proline, lysine, isoleucine, leucine, glutamic acid 등의 함량이 비례적으로 증가하였고, 총 아미노산 함량도 대조구에 비하여 새싹보리 2% 첨가 치즈에서 높았다. 색도는 L*(명도)와 a*(적색도)에서 새싹보리 첨가량이 증가함에 따라서 낮아지는 경향을 보였으며, b*(황색도)는 증가하는 경향을 보였다. 물성의 경우 새싹보리 첨가량이 증가할수록 경도와 검성, 씸힙성은 유의적으로 높게 나타났으며, 반대로 응집성은 낮아지는 경향을 보였다. 또한, 신전성 측정 결과 새싹보리를 첨가하지 않은 스트링치즈보다 새싹보리 첨가 스트링치즈의 신전성이 증가함을 확인하였다. 총 페놀 함량은 새싹보리 2% 첨가 치즈에서 유의적으로 높은 값을 보였으며, 총 플라보노이드와 DPPH 라디칼 소거능은 유의적 차이를 보이지 않았다.

Keywords

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