Rice koji fermented and saccharified liquid, and manufacturing method therefor

Abstract

This invention provides a rice koji-fermented and saccharified grain liquid containing grain-derived β-glucan, a food or beverage containing the same, and a raw material for producing the food or beverage. The rice koji-fermented and saccharified grain liquid is characterized as follows: (a) a weight average molecular weight of the grain-derived β-glucan is 100000 to 500000; (b) a percentage of a grain-derived β-glucan with a molecular weight of 10000 or more to less than 800000 in a total 100 mass % of the grain-derived β-glucan is 80 mass % or more; (c) a grain-derived β-glucan content in 100 mass % of solids of the rice koji-fermented and saccharified grain liquid is 1 to 35 mass %; (d) an iodine coloration test result shows negative (−); and (e) a viscosity is 10 to 5000 mPa·s.

Dependencies are inferred from the claim text.