期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 97, 期 -, 页码 362-369出版社
ELSEVIER
DOI: 10.1016/j.lwt.2018.07.027
关键词
Rice noodle; Firmness; Adhesiveness; Slipperiness; Gluten-free
资金
- Japan Society for the Promotion of Science [16K00820]
- Grants-in-Aid for Scientific Research [16K00820] Funding Source: KAKEN
Japonica rice is not generally appropriate for noodle production because of its stickiness and lack of firmness. In the present study, effects of Ca2+-induced setting of alginate or low methoxyl (LM) pectin on the firmness and stickiness of Japonica rice noodles were investigated. The Japonica rice noodles containing alginate or LM pectin showed a sufficient firmness after immersion in calcium chloride solutions judging from a peak force during compression. The firmness indexed by the peak force in the compression test could be increased ten/several times with increasing concentration of alginate/LM pectin and immersion time. Without Ca2+ treatment the noodles did not show a clear peak force but just showed a gradual rise in the compression force. The surface stickiness of the noodles was evaluated by the adhesiveness of the newly introduced instrumental method. The adhesiveness of the noodles decreased with increasing alginate or LM pectin concentrations which should lead to a more slippery sensation. Thus the treatment of Ca2+-induced setting of alginate or LM pectin is promising for the gluten free noodle production from Japonica rice.
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