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Quality Characteristics of Jochung Containing Various Level of Steamed Garlic Powder

증숙마늘 분말 첨가 조청의 품질특성에 관한 연구

  • Published : 2012.12.31

Abstract

This study was performed to investigate the effect of steamed garlic powder (SGP) on the quality characteristics of Jochung, saccharide by barley melt. Physicochemical properties and sensory quality were determined in Jochungs were prepared that 5% (SGP 5), 10% (SGP 10), 20% (SGP 20) and 30% (SGP 30) of SGP to sikhe for making jochung and hard boiled (W/W). Turbidity and viscosity of SGP added groups increased than control, significantly. The viscosity was $133{\pm}10^3$ cps in control group, it higher than SGP added groups ($140{\pm}11^3{\sim}272{\pm}2^3$ cps). The pH decreased with increasing SGP concentration. Reducing sugar was significantly higher in SGP added groups than control group, especially 30% SGP addition group in $44.66{\pm}0.26$ mg/100 g. HMF (Hydroxymethyl-furfural) content increased with increasing of SGP concentration, and 30% SGP addition group was higher in 48% than control group. In HPLC determination, free sugars content increased with amounts of SGP addition level. Fructose and glucose contents increased while maltose and raffinose contents decreased. Fructose content was $0.84{\pm}0.02$ mg/100g in control group but $1.36{\pm}0.03{\sim}1.62{\pm}0.01$ mg/100 g in SGP added groups. In the sensory evaluation, the color of Jochung decreased dose dependently with the SGP. Garlic flavor was significantly greater in SGP added groups compared to that of control group. The overall acceptability had not significantly difference among control, SGP 5 and 10 group. Preference was decreased in contain more than 20% of SGP added groups. The optimal concentration of SGP was found in the range of less than 10%.

마늘의 섭취를 용이하게 하며, 전통식품과의 접목 방안을 모색하고자 증숙마늘 분말을 5~30% 첨가하여 전통적인 감미제인 조청을 제조하고 그 품질특성을 평가하였다. 탁도 및 착색도는 증숙마늘 분말 첨가량이 많아질수록 증가하는 경향이었는데 증숙마늘 분말 30% 첨가시 착색도는 대조군에 비해 3배 더 높았다. 조청의 점도도 동일한 경향으로 증숙마늘 분말을 30% 첨가하였을 때 점도는 $(272{\pm}2){\times}10^3$ cps로 대조군에 비해 2배 이상 증가하였다. 증숙마늘 분말을 첨가한 조청의 pH는 $4.31{\pm}0.11{\sim}4.58{\pm}0.02$의 범위로 대조군($5.35{\pm}0.12$)에 비해 유의적으로 낮았고, 환원당은 증숙마늘 분말의 첨가량이 많아짐에 따라 유의적으로 증가하여 30% 첨가시에는 $44.66{\pm}0.26$ mg/100 g이었다. HMF 함량은 대조군과 증숙마늘 분말 5% 첨가군과는 유의적인 차이가 없었으나 그 이상 첨가 시 유의적으로 증가하여 $3.55{\pm}0.10{\sim}4.87{\pm}0.08$ mg/kg의 범위였다. 유리당은 maltose, glucose, raffinose 및 fructose 순으로 높게 정량되었고, 증숙마늘 분말 첨가 조청은 대조군에 비해 maltose 및 raffinose의 함량은 낮고 fructose의 함량은 높았다. 관능평가 결과, 증숙마늘 분말 20% 미만 첨가시는 색, 감미, 전반적인 선호도에서 대조군과 유의적인 차이가 없었다. 이상의 결과를 종합하여 볼 때 마늘조청 제조시 증숙마늘 분말은 20% 미만으로 첨가함으로써 관능적 특성 및 이화학적 품질특성이 우수한 조청을 제조 할 수 있을 것으로 기대된다.

Keywords

References

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