Food or edible material: processes – compositions – and products – Preserving or modifying color by use of diverse additive
Patent
1981-11-16
1984-07-31
Yeung, George
Food or edible material: processes, compositions, and products
Preserving or modifying color by use of diverse additive
99353, 241 65, 426473, 426518, 426523, B02B 1700, A23P 100, A23L 127
Patent
active
044630220
ABSTRACT:
A method and apparatus are disclosed for treating a grain by crushing under controlled conditions of humidity, temperature, and quality of impact. The process is particularly adapted for making instant tortilla flour (masa harina) from a mixture of corn and lime and can be conducted continuously. In a preferred embodiment, grain with added lime is fed in a grinding chamber and ground therein to a fine powder by action of breaker bars which crush the grain against breaker plates mounted along the circumference of a grinding chamber cage. During grinding the grain product are subjected to a steam atmosphere generated from the grain moisture content, frictional heat and applied heat. The steam atmosphere is maintained by blocking the ingress of air while feeding in grain and extracting flour, and a cooked dry flour product is obtained. Various parameters of operation are controllable, resulting in energy savings, avoiding generation of waste water, drying of the product, and processing losses, while also shortening total processing time.
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Sterner Mark H.
Zane Ronald O.
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