CN104237290A - Quantitative evaluation method of baking resistance of flue-cured tobaccos - Google Patents
Quantitative evaluation method of baking resistance of flue-cured tobaccos Download PDFInfo
- Publication number
- CN104237290A CN104237290A CN201410397237.8A CN201410397237A CN104237290A CN 104237290 A CN104237290 A CN 104237290A CN 201410397237 A CN201410397237 A CN 201410397237A CN 104237290 A CN104237290 A CN 104237290A
- Authority
- CN
- China
- Prior art keywords
- tobacco
- resistance
- flue
- tobacco leaf
- baking
- 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.)
- Pending
Links
Landscapes
- Manufacture Of Tobacco Products (AREA)
Abstract
The invention discloses a quantitative evaluation method of the baking resistance of flue-cured tobaccos. The method comprises the steps of putting normally mature fresh tobacco leaves with different qualities into an electrothermal type temperature and humidity self-control tobacco baking box, and baking according to a three-step baking technology, wherein the tobacco loading density is 70kg.m<-3>; evaluating the baking resistance of the tobacco leaves according to the average polyphenol oxidase activity at the 42 DEG C yellowing final stage and the 47 DEG C ribbing final stage in the tobacco leaf baking process, wherein the judgment conditions are as follows: the baking resistance of the flue-cured tobacco variety is good when the tobaccos arranged at the middle part and the lower part are smaller than 0.14micron, and the tobaccos arranged at the upper part are smaller than 0.25micron, the baking resistance of the flue-cured tobacco variety is medium when the tobaccos arranged at the middle part and the lower part are 0.14-0.20micron, and the tobaccos arranged at the upper part are 0.25-0.30micron, and the baking resistance of the flue-cured tobacco variety is poor when the tobaccos arranged at the middle part and the lower part are larger than 0.20micron, and the tobaccos arranged at the upper part are greater than 0.30micron. The baking resistance of the tobaccos can be evaluated by the relationship between the polyphenol oxidase activity and the tobacco baking quality, so that the method is high in accuracy and good in repeatability, and the requirement for the experience of a technician can be reduced.
Description
Technical field
The present invention relates to the method for quantitatively evaluating of the resistance to roasting property of a kind of flue-cured tobacco, belong to flue-cured tobacco modulation field.
Background technology
The baking property of tobacco leaf refers to what tobacco leaf obtained in agronomy process, self intrinsic quality feature that whether easy the flavescence shown in bake process, dehydration, fixation, blackening etc. are.Tobacco flue-curing characteristic can describe by " easily roasting property " and " resistance to roasting property "." resistance to roasting property " mainly reflection tobacco leaf in modulated process to the adaptability of epidemic disaster and the process conditions such as ventilation, time and tolerance, mainly refer to the susceptibility that tobacco leaf changes curing environment between fixation stage or tolerance.All to process conditions and fluctuation strong adaptability thereof, and not easily roasting bad tobacco leaf belongs to resistance to roasting, otherwise, for not resistance to roasting.
In current production, two kinds are mainly contained to the evaluation method of the resistance to roasting property of flue-cured tobacco, one judges baking property according to tobacco leaf quality, hold tobacco leaf quality and have hard crisp sense, poor flexibility, breakable, difficulty is toasted and roasting rear quality is also poor, this mode is main mainly with sense organ and micro-judgment, more generally, fuzzy; Another kind of mode is that the situation of change according to tobacco leaf in bake process judges baking property, as blade tip first turns yellow, progressively to phyllopodium and master pulse expansion, and the tobacco leaf that flavescence speed is moderate, resistance to roasting property is good; Spot film is first yellow, expands gradually, first yellow blade face, rear yellow blade back, and the tobacco leaf that flavescence speed is slightly slow, illustrates that resistance to roasting property is better; Be almost that full leaf turns yellow simultaneously, speed is slightly fast, multidigit inferior leads or de-fertile tobacco leaf, and resistance to roasting property is poor; Turned yellow slow or phyllopodium first Huang, and the black sudden and violent leaf of many genus or shade leaf, resistance to roasting property is poor.As provided in Authorization Notice No. CN 102172296 B method for determining flue-curing property of flue-cured tobacco: decision condition is as follows: be 48 ~ 60h when the lower tobacco leaf time that turns yellow, middle and upper part tobacco leaf turns yellow the time when being about 72h, and easily roasting property is good to show tobacco leaf; Be more than 72h when the lower tobacco leaf browning time, the middle part tobacco leaf browning time is more than 120h, and the upper tobacco leaf browning time is more than 60h, shows that the resistance to roasting property of tobacco leaf is better.This kind of mode gives by time and color as the standard judged, some quantizating index that this case then reacts baking of flue-cured tobacco characteristic evaluate tobacco flue-curing characteristic.
Summary of the invention
The object of the invention is to solve deficiency of the prior art, the method for quantitatively evaluating of the resistance to roasting property of a kind of flue-cured tobacco is provided.
To achieve these goals, the technical solution adopted is in the present invention: the method for quantitatively evaluating of the resistance to roasting property of a kind of flue-cured tobacco, and step is as follows:
The first step: be loaded on by the fresh tobacco leaf of different quality normal mature in electrothermal humiture automatic control flue-cured tobacco case, smoke filling density is 70 kgm
-3, toast according to three-phase-drying for tobacco technique;
Second step: the resistance to roasting property of average polyphenol oxidase activity evaluation tobacco leaf becoming muscle latter stage according to 42 DEG C of later yellowing stage in Tobacco Leaf Curing and 47 DEG C;
Decision condition: in, below lower tobacco leaf 0.14u, upper tobacco leaf below 0.25u, the resistance to roasting property of flue-cured tobacco cultivars is good; In, lower tobacco leaf 0.14u ~ 0.20u, upper tobacco leaf 0.25u ~ 0.30u, the resistance to roasting property of flue-cured tobacco cultivars is medium; In, more than lower tobacco leaf 0.20u, upper tobacco leaf more than 0.30u, the resistance to roasting property of flue-cured tobacco cultivars is poor.
The beneficial effect that the present invention produces is: this method utilizes the direct relation of polyphenol oxidase activity and baking quality of tobacco, the particularly relation of polyphenol oxidase activity and the resistance to roasting property of tobacco leaf, it is accurately more scientific that the average polyphenol oxidase activity adopting 42 DEG C of later yellowing stage and 47 DEG C to become muscle latter stage evaluates the resistance to roasting property of tobacco leaf.Compare with art methods, overcome the shortcoming of the resistance to roasting property of traditional sense organ micro-judgment flue-cured tobacco, accuracy is high, and repeatability better, reduces the skill requirement to technician, can judge the resistance to roasting property of tobacco leaf accurately.
Embodiment
To the ripe fresh tobacco leaf of the different parts of 4 kinds in experimental plot, Jia Yue town, Zhucheng, Shandong Province, evaluation method of the present invention is taked to judge:
Gather respectively Zhongyan-100, NC55, NC297, middle cigarette 203 four strains bottom, three positions in middle part and top normal growth grow ripe fresh tobacco leaf be loaded in electrothermal humiture automatic control flue-cured tobacco case, smoke filling density is 70 kgm
-3, toast according to three-phase-drying for tobacco technique; According to later yellowing stage in Tobacco Leaf Curing (42 DEG C of ends) and the average polyphenol oxidase activity becoming muscle latter stage (47 DEG C of ends), evaluate the resistance to roasting property of tobacco leaf.Each process concrete kind leaf ratio is in table 1.
Table 1 different cultivars three the average polyphenol oxidase activity of position tobacco leaf (units: △ OD.min
-1.g
-1fW)
| Kind | Zhongyan-100 | NC55 | NC297 | Middle cigarette 203 |
| Inferior leads | 0.15 | 0.06 | 0.20 | 0.09 |
| Middle leaf | 0.14 | 0.06 | 0.15 | 0.08 |
| Upper leaf | 0.27 | 0.18 | 0.30 | 0.21 |
Judge according to the resistance to roasting property of each kind in decision condition his-and-hers watches 1 of the present invention, result of determination is in table 2.
Decision condition is: in, lower tobacco leaf 0.14 below u, upper tobacco leaf 0.25 below u, the resistance to roasting property of flue-cured tobacco cultivars is better; In, lower tobacco leaf 0.14 u ~ 0.20 u, upper tobacco leaf 0.25 u ~ 0.30 u, the resistance to roasting property of flue-cured tobacco cultivars is medium; In, lower tobacco leaf 0.20 more than u, upper tobacco leaf 0.30 more than u, the resistance to roasting property of flue-cured tobacco cultivars is poor.
The resistance to roasting sex determination situation of table 2 different cultivars tobacco leaf
| Kind | Zhongyan-100 | NC55 | NC297 | Middle cigarette 203 |
| Resistance to roasting property | Medium | Better | Poor | Better |
In order to verify the accuracy of result of determination of the present invention, the normal growth at above-mentioned four strains bottom of separately gathering, three positions in middle part and top tobacco leaf of reaching maturity is loaded in electrothermal humiture automatic control flue-cured tobacco case, and smoke filling density is 70 kgm
-3, toast according to three-phase-drying for tobacco technique; Cured tobacco leaf carries out classification by GB.
Table 3 inferior leads different cultivars cured tobacco leaf presentation quality
Table 4 middle leaf different cultivars cured tobacco leaf presentation quality
Table 5 upper leaf different cultivars cured tobacco leaf presentation quality compares
Can analyze from table 3, table 4 and table 5 and find out:
NC55 kind cured tobacco leaf tobacco group ratio is high, and variegated cigarette group ratio is low, illustrates that its resistance to roasting property is good.
Zhongyan-100 kind cured tobacco leaf tobacco group ratio is high, and variegated cigarette group ratio is medium, so resistance to roasting property is general.
NC297 kind cured tobacco leaf tobacco group ratio is medium, and variegated cigarette group ratio is high, illustrates that its resistance to roasting property is poor.
Middle cigarette 203 kind cured tobacco leaf tobacco group ratio is high, and variegated cigarette group ratio is low, illustrates that its resistance to roasting property is better.
Known by analyzing above, by the inventive method, the resistance to roasting property of different cultivars is judged, fit like a glove with each kind cured tobacco leaf presentation quality characteristic, in bake process, later yellowing stage and the average polyphenol oxidase activity that becomes muscle latter stage have reacted the resistance to roasting property of tobacco leaf, and polyphenol oxidase is a kind of important enzyme in tobacco tissue cell.Tobacco leaf is at growth conditions or under the condition that baking initial stage temperature is lower, polyphenol oxidase acts on polyphenols, makes it be oxidized into quinone, and quinone also can be made to be reduced to polyphenol, therefore quinones substance does not accumulate simultaneously.But after tobacco leaf fully turns yellow, if tissue water content is high, temperature and humidity conditions controls error, and tobacco leaf cells membrane structure is destroyed too early, quinones substance is a large amount of accumulation just, and polymerization becomes large molecule dark matter.Visible, polyphenol oxidase activity and baking quality of tobacco have direct relation, and especially resistance to roasting property has comparatively Important Relations to polyphenol oxidase activity with tobacco leaf.Therefore, the average polyphenol oxidase activity of later yellowing stage (42 DEG C of ends) and change muscle latter stage (47 DEG C of ends) is adopted to evaluate the resistance to roasting property of tobacco leaf accurately more scientific.Compare with art methods, overcome the shortcoming with the resistance to roasting property of sense organ micro-judgment flue-cured tobacco, accuracy is high, and repeatability better, reduces the skill requirement to technician, can judge the resistance to roasting property of tobacco leaf accurately.
Above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (1)
1. a method for quantitatively evaluating for the resistance to roasting property of flue-cured tobacco, it is characterized in that, step is as follows:
The first step: be loaded on by the fresh tobacco leaf of different quality normal mature in electrothermal humiture automatic control flue-cured tobacco case, smoke filling density is 70 kgm
-3, toast according to three-phase-drying for tobacco technique;
Second step: the resistance to roasting property of average polyphenol oxidase activity evaluation tobacco leaf becoming muscle latter stage according to 42 DEG C of later yellowing stage in Tobacco Leaf Curing and 47 DEG C;
Decision condition: in, below lower tobacco leaf 0.14u, upper tobacco leaf below 0.25u, the resistance to roasting property of flue-cured tobacco cultivars is good; In, lower tobacco leaf 0.14u ~ 0.20u, upper tobacco leaf 0.25u ~ 0.30u, the resistance to roasting property of flue-cured tobacco cultivars is medium; In, more than lower tobacco leaf 0.20u, upper tobacco leaf more than 0.30u, the resistance to roasting property of flue-cured tobacco cultivars is poor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410397237.8A CN104237290A (en) | 2014-08-14 | 2014-08-14 | Quantitative evaluation method of baking resistance of flue-cured tobaccos |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410397237.8A CN104237290A (en) | 2014-08-14 | 2014-08-14 | Quantitative evaluation method of baking resistance of flue-cured tobaccos |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104237290A true CN104237290A (en) | 2014-12-24 |
Family
ID=52225791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410397237.8A Pending CN104237290A (en) | 2014-08-14 | 2014-08-14 | Quantitative evaluation method of baking resistance of flue-cured tobaccos |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104237290A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172296A (en) * | 2011-03-18 | 2011-09-07 | 中国农业科学院烟草研究所 | Method for determining flue-curing property of flue-cured tobacco |
| CN102599624A (en) * | 2012-03-20 | 2012-07-25 | 中国农业科学院烟草研究所 | Precision five-phase quintuple-correspondence roasting bulk-curing process for tobacco |
| CN103499526A (en) * | 2013-09-29 | 2014-01-08 | 贵州省烟草科学研究院 | Method for judging tobacco leaf yellowing degree and baking progress in tobacco backing and yellowing stage |
-
2014
- 2014-08-14 CN CN201410397237.8A patent/CN104237290A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172296A (en) * | 2011-03-18 | 2011-09-07 | 中国农业科学院烟草研究所 | Method for determining flue-curing property of flue-cured tobacco |
| CN102599624A (en) * | 2012-03-20 | 2012-07-25 | 中国农业科学院烟草研究所 | Precision five-phase quintuple-correspondence roasting bulk-curing process for tobacco |
| CN103499526A (en) * | 2013-09-29 | 2014-01-08 | 贵州省烟草科学研究院 | Method for judging tobacco leaf yellowing degree and baking progress in tobacco backing and yellowing stage |
Non-Patent Citations (3)
| Title |
|---|
| 孙帅帅 等: "变筋温度对烤烟新品种NC55生理指标及烟叶质量的影响", 《中国烟草科学》 * |
| 宫长荣 等: "烟叶烘烤过程中多酚类物质的变化及与化学成分的相关分析", 《中国农业科学》 * |
| 王传义: "不同烤烟品种烘烤特性研究", 《中国优秀硕士论文全文数据库 农业科技辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104146333B (en) | The baking method of flue-cured tobacco cultivars NC297 draws in a kind of U.S.A | |
| CN102960844B (en) | Accurate NC55 tobacco variety bulk curing process | |
| CN108208905B (en) | Baking process capable of effectively solving ash hanging phenomenon of upper tobacco leaves | |
| CN103598669B (en) | A kind of flue-cured tobacco falls apart leaf baking method | |
| CN102160682A (en) | Three-stage tobacco curing process in intensive barn | |
| CN102626254B (en) | High-quality tobacco leaf baking process | |
| CN110447945B (en) | Treatment method for improving curing quality of flooded tobacco leaves | |
| CN106473223A (en) | A kind of baking method of Hongda many fertilizer Nicotiana tabacum L. | |
| CN108634361A (en) | A kind of K326 kind baking methods based on fresh tobacco leaf maturity | |
| CN104720091A (en) | Light green tobacco leaf flue-curing method | |
| CN108685144A (en) | A kind of Hongda baking method based on fresh tobacco leaf quality | |
| CN105455187A (en) | Intensive baking method for flue-cured tobacco variety NC102 | |
| CN104814180A (en) | Preparation method for keemun black tea | |
| CN102696791A (en) | Process for tedding green tea in small chambers for primary processing | |
| CN112956722B (en) | Flue-cured tobacco baking process key point temperature stabilization time calculation model | |
| CN112586798B (en) | Regulation and control method for improving alcoholization quality of first six tobacco leaves | |
| CN104237290A (en) | Quantitative evaluation method of baking resistance of flue-cured tobaccos | |
| CN104489891A (en) | Baking method for reducing surface dusting of KRK26 upper portion tobacco leaves | |
| CN109892683A (en) | A kind of baking of flue-cured tobacco technique of suitable yatas6 kind tobacco flue-curing | |
| Azizi et al. | Effect of surfactant gel and gum combinations on dough rheological characteristics and quality of bread | |
| CN103876269B (en) | The baking process method of phenol release amount in flue-cured tobacco can be reduced | |
| CN106174671A (en) | A kind of bulk curing barn deepens tobacco leaf color baking process | |
| CN106954879A (en) | A kind of slow baking roasting method of steady temperature of No. 5 tobacco leaves of Hunan cigarette | |
| CN104256880A (en) | Quantitative evaluation method for easy-to-cure property of flue-cured tobacco | |
| CN106954692A (en) | A kind of make conventional green grass or young crops fermentation process of oolong tea |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141224 |
|
| RJ01 | Rejection of invention patent application after publication |