GB1000057A - - Google Patents
Info
- Publication number
- GB1000057A GB1000057A GB1000057DA GB1000057A GB 1000057 A GB1000057 A GB 1000057A GB 1000057D A GB1000057D A GB 1000057DA GB 1000057 A GB1000057 A GB 1000057A
- Authority
- GB
- United Kingdom
- Prior art keywords
- leaves
- enzyme
- tobacco
- enzymatic hydrolysis
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/18—Treatment of tobacco products or tobacco substitutes
- A24B15/20—Biochemical treatment
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
1,000,057. Tobacco substitutes. P. C. R. TORIGIAN. Sept. 26, 1963, No. 37944/63. Heading A2C. A method of treating cured leaves of leafy vegetables and plants other than tobacco (e.g. lettuce, corn, potato, peanut or spinach) to produce a non-toxic product resembling and usable like tobacco and having combustion products of reduced tar and resin content, comprises promoting the natural enzymatic reactions in the leaves under controlled temperature, pH and humidity conditions to develop a pleasing flavour, destroying the enzymes and then subjecting the leaves to further enzymatic hydrolysis by adding them to an enzymebearing solution of a proteolytic enzyme and continuing the enzymatic hydrolysis until the leaves acquire the appearance of smoking tobacco. The enzyme-bearing solution is maintained at pH value of 4-5 and at a temperature of 25‹ to 45‹C. for a period not exceeding about 12 hours. Prior to treatment with the enzyme-bearing solution, the leaves are treated in an enclosure at a temperature of 25‹ to 40‹C. in an atmosphere having a relative humidity of 60-90%, the atmosphere being replaced not more than every 20 minutes until the leaves acquire the physical characteristics of cured tobacco leaves. The relative humidity is then preferably lowered to below 60% while the temperature is raised to 90‹-120‹C., the sulphur dioxide having been removed from the atmosphere. After treatment with the enzyme-bearing solution the leaves are washed and dried to a moisture content of 10-15%. The enzymebearing solution preferably contains the enzyme, which may be papain, in the amount of 1% based on the weight of the leaves. Either sulphur dioxide or ammonia may be used to control the pH value during and enzymatic hydrolysis. The enzymatically hydrolysed leaves may be subjected to a second enzymatic hydrolysis with an amylolytic enzyme or lipolytic enzyme. Two quantitative examples are given.
Publications (1)
Publication Number | Publication Date |
---|---|
GB1000057A true GB1000057A (en) | 1900-01-01 |
Family
ID=1754826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1000057D Expired GB1000057A (en) |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1000057A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1269869A1 (en) * | 2000-02-16 | 2003-01-02 | Japan Tobacco Inc. | Method for producing shredded tobacco and production system for use therein |
CN109619658A (en) * | 2019-01-22 | 2019-04-16 | 云南中烟工业有限责任公司 | A kind of method digesting offal silk and the offal silk after enzymatic hydrolysis are for the purposes in tobacco |
-
0
- GB GB1000057D patent/GB1000057A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1269869A1 (en) * | 2000-02-16 | 2003-01-02 | Japan Tobacco Inc. | Method for producing shredded tobacco and production system for use therein |
EP1269869A4 (en) * | 2000-02-16 | 2004-09-15 | Japan Tobacco Inc | Method for producing shredded tobacco and production system for use therein |
CN109619658A (en) * | 2019-01-22 | 2019-04-16 | 云南中烟工业有限责任公司 | A kind of method digesting offal silk and the offal silk after enzymatic hydrolysis are for the purposes in tobacco |
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