Novel tobacco product and improved process for the expansion of

Details Novel tobacco product and improved process for the expansion of Novel tobacco product and improved process for the expansion of

1978-03-29

1981-03-31

Millin, V.

Tobacco

Cigar or cigarette making

Tobacco feeding

A24B 318

Patent

active

042587298

ABSTRACT:
A novel tobacco product comprising tobacco containing gaseous carbon dioxide in an amount of at least 1 part of gaseous carbon dioxide per 100 parts of tobacco. The product, when rapidly heated is converted to expanded tobacco. An improved process for the expansion of tobacco is also provided which employs carbon dioxide as the expansion agent in a sequence of steps comprising: (1) contacting tobacco with carbon dioxide gas at a pressure of at least 250 psig for a time sufficient to impregnate the tobacco with the carbon dioxide gas, (2) releasing the pressure and (3) thereafter subjecting the carbon dioxide-treated tobacco to rapid heating conditions to remove the carbon dioxide and thereby expand the tobacco.

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