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Foods. 2015 May 14;4(2):148-158. doi: 10.3390/foods4020148.

Effects of High Hydrostatic Pressure on Water Absorption of Adzuki Beans.

Foods (Basel, Switzerland)

Shigeaki Ueno, Toru Shigematsu, Mineko Karo, Mayumi Hayashi, Tomoyuki Fujii

Affiliations

  1. Faculty of Education, Saitama University, 255 Shimo Okubo, Sakura-ku, Saitama 338-8570, Japan. [email protected].
  2. Faculty of Applied Life Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima, Akiha-ku, Niigata 956-8603, Japan. [email protected].
  3. Faculty of Applied Life Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima, Akiha-ku, Niigata 956-8603, Japan. [email protected].
  4. Faculty of Applied Life Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima, Akiha-ku, Niigata 956-8603, Japan. [email protected].
  5. Graduate School of Agricultural Science, Tohoku University, 1-1Tsutsumidori-Amamiyamachi, Aoba-ku, Sendai 981-8555, Japan. [email protected].

PMID: 28231195 PMCID: PMC5302326 DOI: 10.3390/foods4020148

Abstract

The effect of high hydrostatic pressure (HHP) treatment on dried soybean, adzuki bean, and kintoki kidney bean, which are low-moisture-content cellular biological materials, was investigated from the viewpoint of water absorption. The samples were vacuum-packed with distilled water and pressurized at 200 MPa and 25 °C for 10 min. After the HHP treatment, time courses of the moisture contents of the samples were measured, and the dimensionless moisture contents were estimated. Water absorption in the case of soybean could be fitted well by a simple water diffusion model. High pressures were found to have negligible effects on water absorption into the cotyledon of soybean and kintoki kidney bean. A non-linear least square method based on the Weibull equation was applied for the adzuki beans, and the effective water diffusion coefficient was found to increase significantly from 8.6 × 10

Keywords: beans; high hydrostatic pressure; water absorption, kinetic analysis

References

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