Effect of soaking treatment in hot water on thermal and electrical properties of tubers and Japanese Radish

Teppei Imaizumi, Yoshiki Muramatsu, Takahiro Orikasa, Daisuke Hamanaka, Tanaka Fumihiko, Toshitaka Uchino, Akio Tagawa

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

Taro, potato, yam and Japanese radish samples were cut into cylindrical shapes (diameter=29mm; length= 40mm (taro and potato), 120mm (yam and Japanese radish), and were used to examine changes in gelatinization enthalpy, electrical impedance, moisture content and thermal conductivity during hot water treatment (100). The gelatinization enthalpy was measured with a differential scanning calorimeter (DSC). The onset temperatures of gelatinization of taro, potato and yam were 83. 2±0. 1, 62. 7±0. 4, 56. 2±1.0 respectively. To reach these temperatures, hot water immersion for 6min on taro and 3-4min on potato and yam were required. The circular arcs, which are the vector profiles of the electrical impedance and are known as Cole-Cole plots, disappeared after 5min from the beginning of soaking in hot water in all samples. It is supposed that the cell membrane of the sample was disrupted at the time. The transient heat probe method using twin probe was used for the determination of the thermal conductivity. Thermal conductivity of Japanese radish increased at first, and then kept constant. That of taro, potato and yam increased and decreased with the changes in moisture content at the earlier stage of the hot water treatment.

元の言語英語
ページ(範囲)244-250
ページ数7
ジャーナルNippon Shokuhin Kagaku Kogaku Kaishi
61
発行部数6
DOI
出版物ステータス出版済み - 1 1 2014

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Colocasia
Dioscorea
Raphanus
electrical properties
taro
hot water treatment
yams
thermal properties
radishes
Solanum tuberosum
soaking
Thermal Conductivity
tubers
Hot Temperature
potatoes
thermal conductivity
Water
Water Purification
impedance
enthalpy

All Science Journal Classification (ASJC) codes

  • Food Science

これを引用

Effect of soaking treatment in hot water on thermal and electrical properties of tubers and Japanese Radish. / Imaizumi, Teppei; Muramatsu, Yoshiki; Orikasa, Takahiro; Hamanaka, Daisuke; Fumihiko, Tanaka; Uchino, Toshitaka; Tagawa, Akio.

:: Nippon Shokuhin Kagaku Kogaku Kaishi, 巻 61, 番号 6, 01.01.2014, p. 244-250.

研究成果: ジャーナルへの寄稿記事

Imaizumi, Teppei ; Muramatsu, Yoshiki ; Orikasa, Takahiro ; Hamanaka, Daisuke ; Fumihiko, Tanaka ; Uchino, Toshitaka ; Tagawa, Akio. / Effect of soaking treatment in hot water on thermal and electrical properties of tubers and Japanese Radish. :: Nippon Shokuhin Kagaku Kogaku Kaishi. 2014 ; 巻 61, 番号 6. pp. 244-250.
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