Quality Characteristics of Yackwa made with Yam (Dioscorea batatas Decne) Powder

마 분말을 첨가한 약과의 제조와 품질특성

  • 이정호 (군장대학교 호텔외식조리과) ;
  • 김종성 (군장대학교 호텔외식조리과)
  • Received : 2014.09.19
  • Accepted : 2014.12.05
  • Published : 2014.12.30

Abstract

Yam Yackwa (YP) was made by addition of yam power (15%) into flour. Depending on extension of storage time, lightness and redness of YP were increased. Yellowness of YP was decreasing until 3 days and increased from 9 days of storage. However, the yellowness of Yackwa without Yam powder (Non-YP) was increasing until 3 days and decreased from 6 days of storage. Hardness, gumminess, and chewiness of YP were improved compared to Non-YP. It means that the addition of yam power makes Yackwa soft. Oil absorption of Non-YP was low. Acid value and peroxide value of YP were 1.57 and 19.04, respectively. Moisture contents, crude ash, crude fat, crude protein, and carbohydrate of YP were $2.55{\pm}0.08%$, $0.71{\pm}0.01%$, $6.11{\pm}0.06%$, $15.97{\pm}1.40%$, and $64.66{\pm}0.09%$, respectively.

마 분말을 첨가한 약과를 제조한 후, 관능평가와 기호도를 종합한 결과, 마 분말을 15% 첨가한 약과에서 가장 우수하게 평가되어 마 분말을 wheat flour 함량에 대한 15% 첨가하여 제조하였으며, 품질과 기호성, 기능성을 증대시키기 위하여 cinnamon powder와 peanut powder, coffee powder을 첨가하여 맛, 향, 색상, 조직감을 향상시켰다. 마 분말 15% 첨가약과의 저장기간이 증가함에 따라 명도(L)와 적색도(a)도 증가하였다. 황색도(b)는 마 분말 15% 첨가약과에서 저장 3일까지는 감소하였다가 저장 9일부터는 증가하였다. 경도와 점착성, 씹힙성은 마 분말 15% 첨가약과에서 우수하게 나타난 것은 마 분말 첨가로 인하여 부드러움성이 증가한 것으로 판단된다. 유지흡수율은 무첨가 약과에서 낮게 측정되었다. 마 분말 15% 첨가약과에서 평균 산가는 1.57, 과산화물가 19.04로 측정되어 한국식품공업협회(식품공전 2004)의 산가 기준치 3.0 이하, 과산화물가 기준치 40.0이하보다 낮게 측정되어 마가 첨가된 약과는 $30^{\circ}C$ 상온에서 최소 15일까지 안전하게 유통될 수 있을 것으로 판단된다. 마 분말 15% 첨가약과의 수분함량은 $12.55{\pm}0.08%$, 조회분은 $0.71{\pm}0.01%$, 조지방은 $6.11{\pm}0.06%$, 조단백질은 $15.97{\pm}1.40%$, 탄수화물은 $64.66{\pm}0.09%$로 분석되었다. 마 분말 약과는 인체의 건강을 증진할 수 있는 기능성이 추가되었고, 일반약과보다 산패의 진행이 늦으며, Puff Pastry 형태로 제조하기 때문에 식감성이 일반약과보다 좋을 것으로 판단된다.

Keywords

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