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Drying Characteristics of Korean-type Rehmannia (Jiwhang) Noodle
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  • Drying Characteristics of Korean-type Rehmannia (Jiwhang) Noodle
  • Drying Characteristics of Korean-type Rehmannia (Jiwhang) Noodle
저자명
Rhim. Jong-Whan
간행물명
Food science and biotechnology
권/호정보
2009년|18권 1호|pp.202-206 (5 pages)
발행정보
한국식품과학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Drying characteristics of fresh Korean-type rehmannia (jiwhang) noodle was investigated to determine drying kinetic parameters under the experimental conditions of 5 temperatures (30, 40, 60, 80, and $90^{circ}C$). Drying curve of the noodle showed a biphasic pattern of decrease in drying rate with initial rapid drying followed by slow dehydration as the progress in drying. In all drying conditions, only falling drying rate period was observed and the drying rate of the noodle was greatly influenced by the drying temperature. The effective diffusion coefficients ($D_{eff}$) were determined by the diffusion model and their temperature dependency was determined using an Arrhenius equation. The activation energy ($E_a$) values for the drying of the noodle were 19.94 and 21.09 kJ/mol at the initial and the latter stage of dehydration, which were comparable to those of pasta or Japanese udong dehydration.