How does rice increase when cooked?

Online Answer
The granules are about 2μm in size in rice (different plants have different granule sizes). Starch becomes soluble in water when heated. ... As you heat it, the threads get moving and tangled up, absorbing the water, but also expanding even more in size like that big mess of lint in my clothes drier.
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May Contain High Levels of Arsenic The rice plant accumulates more arsenic than most other food crops. This becomes a problem where soil or water sources are contaminated with arsenic. High intake of arsenic is associated with an increased risk of cancer, heart disease and type 2 diabetes.
As such, eating it may offer several health benefits, including boosting eye and heart health, protecting against certain forms of cancer, and aiding weight loss. Black rice is more than just a nutritious grain. When cooked, its deep purple color can turn even the most basic meal into a visually stunning dish.
As a rice cooker is essentially a steamer it can cook meat. The best meats to cook in a rice cooker are soft thin meats such as chicken and fish. You can braise beef and thicker meats however you'll need a certain amount of water or some-sort of water-based liquid (ie. broth or stock)..
Make a batch of rice and spread it in a thin layer on a sheet tray. Freeze for a couple hours and BOOM—dry rice, ready for frying.
In contrast to east asian rices, Basmati rice is a low-starch rice. It should not be sticky or gooey at all. Each grain should be well-defined, long and have bite.