CN101204249A - Preparation method for tobacco extracting - Google Patents
Preparation method for tobacco extracting Download PDFInfo
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- CN101204249A CN101204249A CNA2007100323510A CN200710032351A CN101204249A CN 101204249 A CN101204249 A CN 101204249A CN A2007100323510 A CNA2007100323510 A CN A2007100323510A CN 200710032351 A CN200710032351 A CN 200710032351A CN 101204249 A CN101204249 A CN 101204249A
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Abstract
The invention discloses a preparing method for a tobacco-made extract. The invention includes the following steps: tobacco leaves are firstly blended with water and enzyme for enzymolysis; and then ethanol is applied for extraction, filtration and concentration; and lastly the tobacco-made extract is obtained through maillard reaction. The invention utilizes the tobacco dust generated from the tobacco production, takes into full consideration the feasibility and operability of industrial production with respect to the preparing process, and furthermore, conducts a series of exploration on factors relating to the enzymolysis, extraction and maillard reaction forms the final preparing process and optimal technical parameters, and thereby the product quality reaches the requirements for adding fragrance to the tobacco-made extract with outstanding steadiness and repeatability.
Description
Technical field
The present invention relates to the tobacco production technical field, relate in particular to a kind of preparation method of tobacco extract.
Background technology
Tobacco extract is a kind of dark-brown thickness lotion, has the characteristic fragrance of tobacco.Tobacco extract can be used for strengthening the natural fragrance that replenishes the tobacco inherent feature in the tobacco essence, covers the region breath of single regional tobacco leaf.Recently, more domestic spices producers and R﹠D institution have carried out the research and the production of tobacco extract in succession, for example utilize the extraction of tobacco material water, the extract acidifying, distillation concentrates after the extract acidifying, the concentrate redistillation gets volatile oil, the concentrate of extract precipitates with alcohol, reclaim alcohol back adding volatile oil and just get tobacco extract, but up to the present, domestic tobacco extract kind is also fewer, quality still awaits further raising, preparation technology and device therefor be more complicated also, has hindered further developing of tobacco industry to a certain extent, and branch of industry urgently wishes relevant scientific and technical personnel for this reason, a kind of good and cheap simple raising is provided and improves the method for tobacco extract fragrance, promote the technological progress of tobacco industry.
In the production of cigarettes process, offal does not go out of use owing to physical index meets the production and processing requirement, but itself still contains some useful components.If can select suitable method that it is carried out extracting, and then recycle in the cigarette Related product, the refuse in the production of cigarettes process be turned waste into wealth, and can reduce cost to a certain extent.If success, because the extracting raw material all is " waste material " that derives from the brand process of enterprise oneself, so its aroma component all is the main aroma component in the product, joins in the product stabilized product quality once more and strengthen the product style characteristic in the mode of compensating aroma and will have significant effect.Like this, a kind of preparation method of good and cheap simple tobacco extract both was provided, and has turned waste into wealth, the raw material of utilization is the refuse in the production of cigarettes process, has stronger economic benefit and social benefit.
Summary of the invention
The objective of the invention is to fill up the technological gap of this area, a kind of preparation method of tobacco extract is provided, utilize offal discarded in the production of cigarettes process, select appropriate condition and method to produce a kind of new stabilized product quality and the tobacco extract of enhancing product style characteristic.
Purpose of the present invention is achieved through the following technical solutions: a kind of preparation method of tobacco extract is provided, may further comprise the steps:
(1) tobacco leaf adds water and enzyme carries out enzymolysis;
(2) alcohol extract, filtration and concentrated;
(3) obtain tobacco extract by Maillard reaction.
Step (1) may further comprise the steps:
(A) the tobacco leaf degree of grinding is 40～200 orders, and with tobacco leaf: the ratio of water=1: 4～15 adds water, adds hydrolase and carries out first step enzymolysis;
(B) add protease A and protease B and carry out the second step enzymolysis.
Described tobacco leaf is that tobacco produces discarded offal.
40～70 ℃ of the described hydrolysis temperatures of step (A), enzymolysis time 6～14hr; Described hydrolase is cellulase, hemicellulase, arabanase or 1,4 beta-glucanase, and the hydrolase consumption is 2～8 ‰ of tobacco leaf and the water material water weight of mixing.
40～70 ℃ of the described hydrolysis temperatures of step (B), enzymolysis time 6～14hr; Described protease A is alkali protease, neutral proteinase, acid protease, compound protease or trypsase, and consumption is 2～8 ‰ of tobacco leaf and the water material water weight of mixing; Described protease B is alkali protease, neutral proteinase, acid protease, compound protease or trypsase, and consumption is 2～8 ‰ of tobacco leaf and the water material water weight of mixing.
The described alcohol extract of step (2) is 30～75% for adding absolute ethyl alcohol concentration of alcohol to step (1) solution, the condenser pipe refluxing extraction, and extraction time is 1～4hr.
The described concentrated employing thin film evaporation instrument of step (2), evaporation conditions is 2～10 ℃ of condensation temperatures, 40～80 ℃ of heating-up temperatures are concentrated into solid content 30～75% repeatedly.
The described Maillard reaction condition of step (3) be with step (2) concentrate as reactive agent, add reduced sugar and auxiliary agent, pH value of reaction system 5.5～7.0,80～125 ℃ of temperature, stirring condition lower seal reaction 2～6 hours.
Described reduced sugar is glucose and wood sugar mixture, and glucose and wood sugar mixed proportion are 3:1～1: 3, and addition is 10～35% of a concentrate aimed concn quality; Described auxiliary agent is a glycerine, and addition is 30～75% of a concentrate aimed concn quality.
Described Maillard reaction stir speed (S.S.) is 20～80 rev/mins.
The invention has the beneficial effects as follows: the present invention has considered the feasibility and the operability of suitability for industrialized production fully to the design of technology of preparing route, simultaneously factor related in enzymolysis, extraction and the Maillard reaction is inquired into one by one, chamber research and product pilot scale by experiment, the flow process and the optimum technology parameter of preparation have finally been determined, product quality reaches the target call of tobacco extract flavouring, and product has advantages of excellent stability with repeatable.
The present invention as often as possible extracts happy fragrance active ingredient by the design of preparation process and the selection of condition from tobacco material, make agreeable to the taste, jealous pure and mild, the strength enhancing of fragrance abundance, flue gas of product, and have advantages of excellent stability with repeatable.Method of the present invention is simple, and optimal processing parameter is accurate, for actual production provides sufficient theoretical foundation.
Description of drawings
Fig. 1 tobacco extract of the present invention extracts preparation method's flow chart
The specific embodiment
Further describe the present invention below in conjunction with the drawings and specific embodiments, the material that experiment is used belongs to simple a bit and substitutes, and does not give unnecessary details one by one in an embodiment, but does not therefore limit the present invention.
In the research of tobacco extract technology of preparing route of the present invention, need experience enzymolysis, extraction and three steps of Maillard reaction, influencing each other again between each step organically combines.The extraction of tobacco extract finally is as often as possible to extract fragrance active ingredient from tobacco material, makes agreeable to the taste, jealous pure and mild, the strength enhancing of fragrance abundance, flue gas of cigarette simultaneously by corresponding means.Be equivalent to pre-treatment for reaching enzymolysis process that this purpose designs to tobacco material, good hydrolysis result can reduce follow-up extraction time and the recovery rate that increases substantially tobacco extract to tobacco significantly, enzymolysis process increases the flavouring effect of tobacco extract to cigarette also for final Maillard reaction provides a large amount of tobacco endogenous reduced sugars and amino acid in addition; Leaching process then needs as far as possible the extracts active ingredients in the tobacco to be come out, and precipitation is not by enzymolysis and harmful macro-molecular protein simultaneously; The Maillard reaction step then in front on two stage bases, adds a certain amount of reduced sugar and auxiliary agent, by control Maillard reaction condition, comprises pH value, temperature and time etc. again, obtains colory tobacco extract.
Embodiment 1
With reference to Fig. 1, (1) at first adds offal water and enzyme and carries out enzymolysis: the tobacco leaf degree of grinding is that 40 orders, material-water ratio 1: 4, used enzyme are cellulase, and consumption is 2 ‰ of a quality of tobacco, enzymolysis time 14hr, 40 ℃ of hydrolysis temperatures; Add trypsase and acid protease then, consumption all is 2 ‰ of a quality of tobacco, enzymolysis time 14hr, 40 ℃ of hydrolysis temperatures.
(2) alcohol extract, filtration and concentrated: toward (1) middle adding absolute ethyl alcohol to concentration of alcohol is 30%, the condenser pipe refluxing extraction, and extraction time is 4hr, extracting the back filters, can use plate and frame filter press to filter, filtrate again through suction filtration is once removed insoluble impurities in the extract; But extract is used the thin film evaporation instrument of continuous feed and is concentrated, and evaporation conditions is 10 ℃ of condensation temperatures, 40 ℃ of heating-up temperatures, and extract can be concentrated into aimed concn be 30% through concentrating repeatedly.
(3) obtain tobacco extract by Maillard reaction: with the certain mass concentrate as reactive agent, add 3: 1 mixture of glucose and wood sugar, addition is to calculate with 10% of concentrate aimed concn quality, mixing back water adjusting solid content is 45%, the selection of auxiliary glycerine, addition is to calculate with 75% of concentrate aimed concn quality, adopt 30%KOH adjust pH to 5.5, bottling gland seal, by 80 ℃ of lower seal reactions of thermostatically-controlled equipment control temperature 6 hours, obtain tobacco extract after the cooling rapidly.
Embodiment 2
With reference to Fig. 1, (1) at first adds offal water and enzyme and carries out enzymolysis: the tobacco leaf degree of grinding is that 200 orders, material-water ratio 1: 15, used enzyme are arabanase, and consumption is 8 ‰ of a quality of tobacco, enzymolysis time 6hr, 70 ℃ of hydrolysis temperatures; Add compound protease and trypsase then, consumption all is 8 ‰ of a quality of tobacco, enzymolysis time 6hr, 70 ℃ of hydrolysis temperatures.
(2) alcohol extract, filtration and concentrate: adding absolute ethyl alcohol to concentration of alcohol in (1) enzymolysis liquid is 75%, the condenser pipe refluxing extraction, and extraction time is 1hr, extracts the back filtration, filtrate again through suction filtration is once removed insoluble impurities in the extract; But extract is used the thin film evaporation instrument of continuous feed and is concentrated, and evaporation conditions is 2 ℃ of condensation temperatures, 80 ℃ of heating-up temperatures, and extract can be concentrated into aimed concn be 65% through concentrating repeatedly.
(3) obtain tobacco extract by Maillard reaction: with the certain mass concentrate as reactive agent, add 1: 3 mixture of glucose and wood sugar, addition is to calculate with 35% of concentrate aimed concn quality, mixing back water adjusting solid content is 55%, the selection of auxiliary glycerine, addition is to calculate with 30% of concentrate aimed concn quality, adopt 30%KOH adjust pH to 7.0, bottling gland seal 100 ℃ of lower seal reactions of temperature 2 hours, obtain tobacco extract after the cooling rapidly.
Embodiment 3
With reference to Fig. 1, (1) at first adds offal water and enzyme and carries out enzymolysis: the tobacco leaf degree of grinding is that 80 orders, material-water ratio 1: 7, used enzyme are hemicellulase, and consumption is 4 ‰ of a quality of tobacco, enzymolysis time 12hr, 60 ℃ of hydrolysis temperatures; Add alkali protease and neutral proteinase then, consumption is respectively 4 ‰ and 5 ‰ of quality of tobacco, enzymolysis time 10hr, 55 ℃ of hydrolysis temperatures.
(2) alcohol extract, filtration and concentrated: toward (1) middle adding absolute ethyl alcohol to concentration of alcohol is 50%, the condenser pipe refluxing extraction, and extraction time is 2hr, filters after extracting, filtrate again through suction filtration is once removed insoluble impurities in the extract; But extract is used the thin film evaporation instrument of continuous feed and is concentrated, and evaporation conditions is 5 ℃ of condensation temperatures, 70 ℃ of heating-up temperatures, and extract can be concentrated into aimed concn be 45% through concentrating repeatedly.
(3) obtain tobacco extract by Maillard reaction: as reactive agent, add 1: 1 mixture of glucose and wood sugar with the certain mass concentrate, addition is to calculate with 20% of concentrate aimed concn quality; The selection of auxiliary glycerine, addition is to calculate with 50% of concentrate aimed concn quality, mixing back water adjusting solid content is 50%, adopts 30%KOH adjust pH to 6.8, bottling gland seal 100 ℃ of lower seal reactions of temperature 4 hours, obtains tobacco extract after cooling off rapidly.
The foregoing description 1,2,3 preparation-obtained tobacco extract fragrance abundances, agreeable to the taste, jealous pure and mild, the strength enhancing of flue gas.
Claims (10)
1. the preparation method of a tobacco extract is characterized in that may further comprise the steps:
(1) tobacco leaf adds water and enzyme carries out enzymolysis;
(2) alcohol extract, filtration and concentrated;
(3) obtain tobacco extract by Maillard reaction.
2. the preparation method of tobacco extract according to claim 1 is characterized in that step (1) may further comprise the steps:
(A) the tobacco leaf degree of grinding is 40～200 orders, and with tobacco leaf: the ratio of water=1: 4～15 adds water, adds hydrolase and carries out first step enzymolysis;
(B) add protease A and protease B and carry out the second step enzymolysis.
3. the preparation method of tobacco extract according to claim 1 and 2 is characterized in that described tobacco leaf is that tobacco produces discarded offal.
4. the preparation method of tobacco extract according to claim 2 is characterized in that 40～70 ℃ of the described hydrolysis temperatures of step (A), enzymolysis time 6～14hr; Described hydrolase is cellulase, hemicellulase, arabanase or 1,4 beta-glucanase, and the hydrolase consumption is 2 of quality of tobacco～8 ‰.
5. the preparation method of tobacco extract according to claim 2 is characterized in that 40～70 ℃ of the described hydrolysis temperatures of step (B), enzymolysis time 6～14hr; Described protease A is alkali protease, neutral proteinase, acid protease, compound protease or trypsase, and consumption is 2 of quality of tobacco～8 ‰; Described protease B is alkali protease, neutral proteinase, acid protease, compound protease or trypsase, and consumption is 2 of quality of tobacco～8 ‰.
6. the preparation method of tobacco extract according to claim 1 is characterized in that the described alcohol extract of step (2) is 30～75% for adding absolute ethyl alcohol concentration of alcohol to step (1) solution, the condenser pipe refluxing extraction, and extraction time is 1～4hr.
7. the preparation method of tobacco extract according to claim 1 is characterized in that the described concentrated employing thin film evaporation instrument of step (2), and evaporation conditions is 2～10 ℃ of condensation temperatures, and 40～80 ℃ of heating-up temperatures are concentrated into solid content 30～65% repeatedly.
8. the preparation method of tobacco extract according to claim 1, it is characterized in that the described Maillard reaction condition of step (3) is as reactive agent with step (2) concentrate, add reduced sugar and auxiliary agent, pH value of reaction system 5.5～7.0,80～125 ℃ of temperature, stirring condition lower seal reaction 2～6 hours.
9. the preparation method of tobacco extract according to claim 8 is characterized in that described reduced sugar is glucose and wood sugar mixture, and glucose and wood sugar mixed proportion are 3: 1～1: 3, and addition is 10～35% of a concentrate aimed concn quality; Described auxiliary agent is a glycerine, and addition is 30～75% of a concentrate aimed concn quality.
10. the preparation method of tobacco extract according to claim 8 is characterized in that described stir speed (S.S.) is 20～80 rev/mins.
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| CN2007100323510A CN101204249B (en) | 2007-12-11 | 2007-12-11 | Preparation method for tobacco extract |
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| CN2007100323510A CN101204249B (en) | 2007-12-11 | 2007-12-11 | Preparation method for tobacco extract |
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| CN101204249B CN101204249B (en) | 2012-05-09 |
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