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- Title
Optimization of Sulgidduk formula supplemented with pine needle ( Pinus densiflora sieb, et zucc) juice using response surface methodology.
- Authors
Park, Jae-Hee; Kim, So-Yun; Lee, Hyun-Jeong; Kim, Rae-Young; Park, Eunju
- Abstract
Pine needle juice (PNJ) was used to make sulgidduk with physiological activity for metabolic syndrome patients. The optimum formulation for sulgidduk was achieved using a response surface methodology. The models used to determine the optimum oxygen radical absorbance capacity (ORAC) value and the α-glucosidase inhibitory activities had satisfactory R coefficients and were verified experimentally. However, the model for determining angiotensin converting enzyme (ACE) inhibitory activity was not significant. Two formulas, A (1.4% salt, 30% sugar, and 1% PNJ) and B (1.5% salt, 21.4% sugar, and 1.4% PNJ) on the weight (100 g) of rice flour, were developed and their physiological activities were evaluated. The ORAC value was significantly higher in formula B (1.8 μM TE) than A (0.7 μM TE), while the ACE inhibitory activities and α-glucosidase inhibitory activities were not significantly different in both formulas. Therefore, this study indicates the suitability of formula B for optimizing the physiological activity of sulgidduk.
- Publication
Food Science & Biotechnology, 2013, Vol 22, Issue 4, p1105
- ISSN
1226-7708
- Publication type
Article
- DOI
10.1007/s10068-013-0190-x