Effects of hot-water blanching on the biological and physicochemical properties of sweet potato slices

Chinda Chhe, Teppei Imaizumi, Tanaka Fumihiko, Toshitaka Uchino

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)

抄録

Changes in the enzymatic and physicochemical properties of sweet potatoes processed by a combination of pre-heating and high-temperature blanching were investigated. First, the characteristics of the inactivation of peroxidase and pectin methylesterase were analyzed, showing that 112.7 and 119.6 kJ mol−1 of activation energy were required for inactivation, respectively. The result also suggested that a temperature of over 94 °C was better to inactivate peroxidase effectively. Second, the optimum conditions for pre-heating treatment were selected through the consideration of quality attributes. Pre-heating at 60 °C and 65 °C produced a stronger effect of enhancing firmness. However, some adverse effects on nutrients and appearance were noted at temperatures over 65 °C. Eventually, pre-heating at 60 °C for 40 min was selected as the best condition for sweet potato slices.

元の言語英語
ページ(範囲)19-24
ページ数6
ジャーナルEngineering in Agriculture, Environment and Food
11
発行部数1
DOI
出版物ステータス出版済み - 1 1 2018

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Blanching
Ipomoea batatas
blanching
sweet potatoes
Heating
physicochemical properties
heat
Water
Peroxidase
Temperature
inactivation
peroxidase
water
temperature
pectinesterase
activation energy
Nutrients
firmness
Activation energy
adverse effects

All Science Journal Classification (ASJC) codes

  • Food Science
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

これを引用

Effects of hot-water blanching on the biological and physicochemical properties of sweet potato slices. / Chhe, Chinda; Imaizumi, Teppei; Fumihiko, Tanaka; Uchino, Toshitaka.

:: Engineering in Agriculture, Environment and Food, 巻 11, 番号 1, 01.01.2018, p. 19-24.

研究成果: ジャーナルへの寄稿記事

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