Method of manufacturing tobacco raw material and oral tobacco product
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United States of America
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Sep 10, 2019
Grant Date -
Jun 22, 2017
app pub date -
Mar 2, 2017
filing date -
Mar 2, 2017
priority date (Note) -
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Abstract
Provided is a method of manufacturing a tobacco raw material in which the green color of the tobacco raw material is maintained and a browning-involved enzyme included in tobacco leaves is deactivated. Specifically, a method of manufacturing a tobacco raw material is provided that includes a step for heating a tobacco leaf material, which has an a* value of 1.0 or less, the a* value being expressed by the L*a*b* method, and which has a moisture content of 8 wt % or less, at a temperature of 75° C. or higher and under a humidity-controlled environment so that the a* value is 1.0 or less and the content of the browning-involved enzyme is 0.1 U/g or less.
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