fermented products from rice next. fermentation advantages of fermentation: conversion of complex...
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Fermented Products from
Rice
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Fermentation
Advantages of fermentation:
Conversion of complex carbohydrates into simple sugars by anaerobic decomposition
Fermented Products from Rice
Make food more digestible
Make food more palatable
Higher in nutritional value
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Introduction
Rice wine
Products prepared by rice fermentation include:
Rice vinegar
Idli
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Dosa
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Click on picture for detail
Fermented Products from Rice
Alcoholic beverage made from rice
Sake generally contains 18–20% alcohol
Rice wine (Sake)
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Fermentation of rice starch to sugars
Fermented Products from Rice
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Polished rice
Washing and cleaning
Steeping overnight
Cooking
Inoculation with culture (Aspergillus oryzae)
Cultivate till 2 days (koji rice)
Mix koji rice, water, yeast with freshly steamed/cooked rice and cultivate from 10-15 days with addition of extra rice and water each day
Ferment for 2-6 weeks
Cooling to 10ºC
Filteration
Pasteurization
Maturing
Bottling
Flow chart for Sake preparationFermented Products from Rice
White rice vinegar: White rice vinegar is a colourless to pale yellow liquid, higher in vinegar content .
Black rice vinegar: Black rice vinegar is made with black glutinous rice. It is dark in colour, and has a deep, almost smoky flavour.
It is a product made fromfermented rice or rice wine
Red rice vinegar: Red rice vinegar is darker than white rice vinegar, and paler than black rice vinegar, with a distinctive red colour from red mold Monascus purpureus
Rice vinegar
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Fermented Products from Rice
Proportion of rice to black gram is 1:3
Prepared by steaming the fermented batter consisting of rice and black gram grains
Idli
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Fermented Products from Rice
Traditional method of idli preparation
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Rice and blackgram (1:3)
Washing
Soaking for few hours
Grinding into fine paste
Fermentation (by natural microflora)
Steaming in cups
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Fermented Products from Rice
A thin, crisp, fried pancake-like staple food of south India
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Dosa
Soak rice and dehulled black gram (2:1) separately for few hours
Grind to fine paste
Fermentation of batter (by natural microflora)
Spread batter on hot greasy griddle to get crisp pancake
Method
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Fermented Products from Rice
Rice can be made into a number of fermented products such as wine, vinegar, and traditional products like idli and dosa
Let us sum up
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Fermented products are easily digestible and are more nutritive.
Fermented Products from Rice