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논문 기본 정보

자료유형
학술저널
저자정보
Hyo Ju Noh (Daegu University) Hye Min Seo (Daegu University) Jun Ho Lee (Daegu University) Yoon Hyuk Chang (Daegu University)
저널정보
한국식품영양과학회 Preventive Nutrition and Food Science Preventive Nutrition and Food Science Vol.18 No.1
발행연도
2013.3
수록면
45 - 49 (5page)

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초록· 키워드

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This study was carried out to determine a possibility of adding Corni fructus extract (CFE) into yogurt for improving the neutraceutical properties of yogurt and the effects of adding CFE (2~6%, v/v) on the physicochemical and sensory properties of the products during a 15-day storage period at 4℃. Incorporation of CFE into the yogurt samples resulted in a significant pH reduction and a significant increase in titratable acidity. When evaluating the color of the yogurt, the L<SUP>*</SUP>-values were not significantly influenced by CFE supplementation; however, the a<SUP>*</SUP>- and b<SUP>*</SUP>-values significantly increased with the addition of CFE during storage. The power law and Casson models were applied to assess the flow behavior of CFE-added yogurt samples. The magnitudes of apparent viscosity (η<SUB>a,100</SUB>), consistency index (K), and yield stress (σ<SUB>oc</SUB>) for 4~6% CFE yogurt samples were significantly greater than those for the control, indicating that CFE can be used as a thickening agent for yogurt. The sensory test revealed that addition of CFE (2~4%) to yogurt did not significantly affect the overall scores, but the overall preference score for 6% CFE yogurt was significantly decreased. Based on the data obtained from the present study, we concluded that the concentrations (2~4%) of CFE could be used to produce a CFE-added yogurt without the significantly adverse effects on the physicochemical and sensory properties.

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ABSTRACT
INTRODUCTION
MATERIAS AND METHODS
RESULTS AND DISCUSSION
CONCLUSION
REFERENCES

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