Psyllium husk gel to reinforce structure of gluten-free pasta?
LWT(2020)
摘要
Gluten-free pasta is a technological challenge. The effect of Psyllium particle size, processing temperature and gel concentration on the quality of rice-based pasta was investigated. The rheological properties, i.e. maturation kinetics and mechanical spectra, of the Psyllium gels were studied and optimal conditions were set: 160–315 μm particle size, 4 g/100 g Psyllium husk concentration thermally processed at 40 °C. Cooking quality parameters, texture properties, nutritional composition, antioxidants and digestibility of pasta were determined. Consequently, the use of Psyllium husk in gluten-free pasta showed good overall properties. Moreover, the pre-gelatinization step of rice flour can be eliminated, resulting in a final gluten-free pasta formulation with Psyllium gel and rice flour (50/50) with high digestibility.
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关键词
Gluten-free pasta,By-products,Psyllium,Maturation kinetics,Digestibility
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