The 71th Annual Meeting of JSFST

Presentation information

Oral presentation

C 農畜水産物とその加工品 (Agricultural product, Livestock product, Seafood, and their processed products)

[2Gp] Food grain

Fri. Aug 30, 2024 3:00 PM - 6:00 PM Room G (3F N305)

Chair:Toshihisa Ohno, Noriaki Aoki

3:30 PM - 3:45 PM

[2Gp-03] Characteristic Evaluation of Texture of Gyuuhi Prepared from Short-Chain Rich Amylopectin Rice at Low Temperature

*Osamu Hasegawa1, Mizuki Fukiage1, Kei Yamada1, Eriko Ihara1 (1. Aichi Center for Industry and Science Technology, Food Research Center)

Keywords:rice, texture, amylopectin

Purpose: The short-chain amylopectin rice glutinous variety ``Yawakoimochi'' has the property of slow retrogradation. We evaluated the texture of Yawakoimochi and other varieties at low temperatures.
Methods: ``Gyuhi'' was prepared from eight varieties of glutinous rice including Yawakoimochi and stored at 5°C. After a certain period, the texture was measured at 5°C or 20°C using Rheometer. The viscosity characteristics were evaluated using Rapid Visco Analyzer.
Results: The variety with the lowest pasting temperature was Yawakoimochi. The varieties with higher pasting temperatures became harder. Yawakoimochi was softer even after 7 days than other varieties after 4 days, and compared to other varieties, it maintained its desired texture at both temperatures of 5°C and 20°C.