CN105223303A - A kind of method adopting index to characterize cigarette fruital odor characteristic - Google Patents
A kind of method adopting index to characterize cigarette fruital odor characteristic Download PDFInfo
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- CN105223303A CN105223303A CN201510716802.7A CN201510716802A CN105223303A CN 105223303 A CN105223303 A CN 105223303A CN 201510716802 A CN201510716802 A CN 201510716802A CN 105223303 A CN105223303 A CN 105223303A
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Abstract
The invention discloses a kind of method adopting index to characterize cigarette fruital odor characteristic.From shredded tobacco fragrant, selecting 10 kinds of representative cigarette fruity flavor characteristic materials, having forward to affect on fruital fragrance and the property material of negative sense impact by calculating to find out respectively, and according to the weight of influence degree determination property material index; Then " the mensuration Simultaneous distillation-extraction-By Gas Chromatography-mass Spectrometry of tobacco and tobacco product aroma component " is adopted to carry out determination and analysis to cigarette rags aroma component; The method of weighted statistical is finally adopted to calculate the fruital odor characteristic index FI of finished cigarettes.This index can symbolize the power of cigarette fruital odor characteristic intuitively, and its evaluation result is objective and accurate.The present invention is easy and simple to handle, with low cost, safeguard for the quality of cigarette and quality control proposes new thinking.
Description
Technical field
The invention belongs to technical field of tobacco processing, specifically relate to a kind of method adopting index to characterize cigarette fruital odor characteristic.
Background technology
Odor characteristic is the peculiar taste of cigarette, is characteristic and the mark of a cigarette brand, is one of consumer's important evidence of choosing cigarette, is the prerequisite of guide consumption.The fragrance of cigarette is always one of major criterion of people's evaluating cigarette quality.Research shows, the chemical composition in cigarette plays crucial influence to the aesthetic quality of cigarette, odor characteristic, and the increase and decrease of the crucial flavor matter of pipe tobacco and cigarette fragrance quality change close contacting.
At present, sensory evaluating smoking's method is generally adopted to the evaluation of cigarette flavor feature both at home and abroad.Although the method has certain positive role, the odor characteristic evaluation based on sensory evaluating smoking is vulnerable to smoke panel test the impact of personnel's oneself factor and external environment condition, bring uncertain factor can to Cigarette evaluation result.Therefore, based on shredded tobacco fragrant, use instrumental analysis detection means, in conjunction with Correlation Analysis Technology, the characteristic index or the compound that cigarette flavor feature are had to crucial effect is extracted from numerous chemical compositions, thus realize to the odor characteristic of cigarette make objective, evaluate and just seem particularly important exactly, but still there is no good solution in prior art.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of method adopting index to characterize cigarette fruital odor characteristic, to make the evaluation result of cigarette flavor feature more objective and accurate.
Object of the present invention is achieved by the following technical programs.
Except as otherwise noted, percentage of the present invention is mass percent.
Adopt index to characterize a method for cigarette fruital odor characteristic, comprise the following steps:
(1) according to the relation between cigarette fruital odor characteristic and shredded tobacco fragrant, and in conjunction with fruital fragrance the way of production, determine that 10 kinds of materials are as fruital odor characteristic material: 2-methoxy-phenol, oxidation isophorone, eugenol, 3-(1-Methylethyl) (1H) pyrazoles [3,4-b] pyrazine, dihydroactinidiolide, 3-oxo-ALPHA-ionol, undecalactone, neophytadiene, phenylacetaldehyde and ethyl palmitate;
(2) correlation coefficient r between fruital fragrance score and 10 kinds of property materials is calculated
ior r
jand then determine that 8 property materials on fruital fragrance has forward to affect are: 2-methoxy-phenol, oxidation isophorone, eugenol, 3-(1-Methylethyl) (1H) pyrazoles [3,4-b] pyrazine, dihydroactinidiolide, 3-oxo-ALPHA-ionol, undecalactone, neophytadiene; On 2 property materials that fruital fragrance has negative sense to affect be: phenylacetaldehyde and ethyl palmitate;
(3) weight of each property material is calculated, wherein, forward index weights ω
i,
r
ifor forward index related coefficient, m is the property material number having forward to affect; Negative sense index weights g
j,
r
jfor negative sense index related coefficient, n is the property material number having negative sense to affect;
(4) according to the requirement of " the mensuration Simultaneous distillation-extraction-By Gas Chromatography-mass Spectrometry of tobacco and tobacco product aroma component " TCJC-ZY-IV-014-2012, each property material actual content x is carried out to the aroma component of cigarette to be measured
iand x
jmensuration;
(5) the desired value P of each property material in cigarette to be measured is calculated
ior G
j, property material desired value is the relative content of each property material in every gram of pipe tobacco;
x
i (j)for the actual content of every gram of each property material of pipe tobacco, μ
i (j)for the average of every gram of each property material content of pipe tobacco, σ
i (j)for the standard deviation of every gram of each property material content of pipe tobacco;
(6) adopt the method for weighted statistical to calculate the fruital odor characteristic index FI of cigarette to be measured, its computing formula is as follows:
m is the property material number having forward to affect, ω
ibe the weight of i-th forward property material, P
ibe the desired value of i-th forward property material, n is the property material number having negative sense to affect, g
jfor the weight of a jth negative sense property material, G
jfor the desired value of a jth negative sense property material;
(7) fruity flavor characteristic of cigarette and index FI correlation, namely the fruital odor characteristic index FI value of cigarette to be measured is higher, then show that the fruital odor characteristic of this cigarette is more obvious.
Relative to prior art, the present invention has the following advantages:
1, the present invention classifies on the property material affecting cigarette fruital fragrance and screens initiatively, the method of weighted statistical is adopted to build cigarette fruital odor characteristic index, quantitatively evaluating is carried out by the fruital odor characteristic of numerical value to cigarette of index, its evaluation result is objective and accurate, and the quality for cigarette safeguards and quality control proposes new thinking.
2, apply method of the present invention and the calculating of FI index is carried out to finished cigarettes, contribute to production and processing and the development and Design of cigarette product;
3, the method easy and simple to handle, with low cost, be convenient to realize industrial applications.
Embodiment
Below by embodiment, the present invention is described in further detail, but embodiment is not limited to the technical solution.
Embodiment 1:-----characterizes the fruital odor characteristic of YY trade mark cigarette:
(1) according to the relation between cigarette fruital odor characteristic and shredded tobacco fragrant, and in conjunction with fruital fragrance the way of production, determine 10 kinds of representative fruity flavor characteristic materials: 2-methoxy-phenol, oxidation isophorone, eugenol, 3-(1-Methylethyl) (1H) pyrazoles [3,4-b] pyrazine, dihydroactinidiolide, 3-oxo-ALPHA-ionol, undecalactone, neophytadiene, phenylacetaldehyde, ethyl palmitate;
(2) correlation coefficient r between fruital fragrance score and 10 kinds of property materials is calculated
ior r
j, result of calculation is as shown in table 1;
Wherein, fruital fragrance score carries out by the regulation of " technical requirement of GB5606.4-2005 cigarette sense organ " the fruital fragrance score that obtains after Sensory Quality of Cigarette is smoked panel test.
Described correlation coefficient r
ior r
jpass through formula
calculate,
the average of variable x, y respectively, x
i, y
ii-th observed reading of variable x, y respectively.
Table 1: the correlation coefficient charts of fruital fragrance score and property material
Can be determined by table 1, on 8 property materials that fruital fragrance has forward to affect be: 2-methoxy-phenol, oxidation isophorone, eugenol, 3-(1-Methylethyl) (1H) pyrazoles [3,4-b] pyrazine, dihydroactinidiolide, 3-oxo-ALPHA-ionol, undecalactone, neophytadiene; On 2 property materials that fruital fragrance has negative sense to affect be: phenylacetaldehyde, ethyl palmitate;
(3) substitute into the weight of each property material of Calculation of correlation factor, result is as shown in table 2, wherein, and forward index weights ω
i,
r
ifor forward index related coefficient (related coefficient between i-th forward effect characteristics content of material and fruital fragrance score), m is the property material number having forward to affect; Negative sense index weights g
j,
r
jfor negative sense index related coefficient (related coefficient between a jth negative sense effect characteristics content of material and fruital fragrance score), n is the property material number having negative sense to affect;
Table 2: the weight of each property material
(4) mensuration of each property material actual content is carried out according to the aroma component of requirement to YY trade mark cigarette of " the mensuration Simultaneous distillation-extraction-By Gas Chromatography-mass Spectrometry of tobacco and tobacco product aroma component " TCJC-ZY-IV-014-2012; Measurement result is as shown in table 3;
Described " the mensuration Simultaneous distillation-extraction-By Gas Chromatography-mass Spectrometry of tobacco and tobacco product aroma component " TCJC-ZY-IV-014-2012 comprises sample handling processes, the instrument of employing and experiment condition, compounds content calculates.
Sample handling processes is: after pipe tobacco is cured 4h at (40 ± 1) DEG C, pulverize with comminutor, cross 40 mesh sieves, gained offal in tandem-driving bogie in temperature 22 DEG C, 24h is balanced under the condition of humidity 60%, accurately take the offal sample 25.0g after balance, put into SDE method, methylene chloride is adopted to carry out dynamic extraction 2h as solvent continuously to pipe tobacco, extract obtained after anhydrous sodium sulfate drying, 1.0mL is concentrated in Rotary Evaporators, add 50 μ l, the ethanol solution of the phenylmethyl acetate of 0.1mol/L, shake up, Agilent6890N/5973N Gc-ms instrument is adopted to analyze it.
The instrument adopted and experiment condition are:
Reagent: methylene chloride (AR, western Gansu Province chemical industry), anhydrous sodium sulfate (AR, Tianjin Ke Miou company), absolute ethyl alcohol (chromatographically pure, Di Ma company), phenylmethyl acetate (chromatographically pure, lark prestige company);
Instrument: 6890N/5973NGC/MS combined instrument (Agilent company of the U.S.); Rotary Evaporators (B ü CHI company of Switzerland); PB602-S electronic balance (sensibility reciprocal 0.01g, METTLERTOLEDO company of Switzerland); SDE method (self-control);
GC/MS combined instrument analysis condition: chromatographic column: HP-5MS (30m × 0.25mm × 0.25 μm) capillary column; Injector temperature: 240 DEG C; Carrier gas: He, 1mL/min; Temperature programme: 50 DEG C of (1min) → 8 DEG C/min160 DEG C (2min) → 8 DEG C/min260 DEG C (15min);
Sample size: 2 μ L, split ratio: 25:1; Transmission line temperature: 280 DEG C; Ionization mode: EI, ionizing energy: 70eV; Ion source temperature: 230 DEG C; Level Four bar temperature: 160 DEG C; Mass range 35-455aum., adopt NIST98, Wiley275 library searching qualitative.
Being calculated as of compounds content:
Pass through formula
calculate the content of each material, x is aroma component content (μ g/g), and a is compound peaks area, b is interior mark peak area, 2 add volume (mL) for interior mark, and 100 is interior mark concentration (mg/L), and 25 is sample quality (g).
Table 3YY trade mark cigarette every gram of pipe tobacco property material content (unit: μ g)
(5) the desired value P of each property material in YY trade mark cigarette is calculated
ior G
j, property material desired value is the relative content of each property material in every gram of pipe tobacco, and result is as shown in table 5.
x
i (j)for the actual content of every gram of each property material of pipe tobacco, μ
i (j)for the average of every gram of each property material content of pipe tobacco, σ
i (j)for the standard deviation of every gram of each property material content of pipe tobacco, average μ
i (j)and standard deviation sigma
i (j)in table 4;
Table 4: each property material content average μ
i (j)and standard deviation sigma
i (j)
Table 5YY trade mark cigarette property material relative content
(6) adopt the method for weighted statistical to calculate the fruital odor characteristic index FI of YY trade mark cigarette, its computing formula is as follows:
m is the property material number having forward to affect, ω
ibe the weight of i-th forward property material, P
ibe the desired value of i-th forward property material, n is the property material number having negative sense to affect, g
jfor the weight of a jth negative sense property material, G
jfor the desired value of a jth negative sense property material;
The FI value of YY trade mark cigarette is 0.583.
Embodiment 2----characterizes the fruital odor characteristic of YX trade mark cigarette:
Repeat embodiment 1, have following difference:
(1) according to the requirement of " the mensuration Simultaneous distillation-extraction-By Gas Chromatography-mass Spectrometry of tobacco and tobacco product aroma component " TCJC-ZY-IV-014-2012, YX trade mark cigarette aroma component is carried out to the mensuration of each property material actual content, measurement result is as shown in table 6;
Table 6YX trade mark cigarette every gram of pipe tobacco property material content (unit: μ g)
(2) the desired value P of each property material in YX trade mark cigarette is calculated
ior G
j, property material desired value is the relative content of each property material in every gram of pipe tobacco, and result is as shown in table 7.
Table 7YX trade mark cigarette property material relative content
(3) adopt the method for weighted statistical to calculate the fruital odor characteristic index FI of YX trade mark cigarette, the FI value of YX trade mark cigarette is-0.268.
Embodiment 3----characterizes the fruital odor characteristic of BS trade mark cigarette:
Repeat embodiment 1, have following difference:
(1) according to the requirement of " the mensuration Simultaneous distillation-extraction-By Gas Chromatography-mass Spectrometry of tobacco and tobacco product aroma component " TCJC-ZY-IV-014-2012, BS trade mark cigarette aroma component is carried out to the mensuration of each property material actual content, measurement result is as shown in table 8;
Table 8BS trade mark cigarette every gram of pipe tobacco property material content (unit: μ g)
(2) the desired value P of each property material in BS trade mark cigarette is calculated
ior G
j, property material desired value is the relative content of each property material in every gram of pipe tobacco, and result is as shown in table 9.
Table 9BS trade mark cigarette property material relative content
(3) adopt the method for weighted statistical to calculate the fruital odor characteristic index FI of BS trade mark cigarette, the FI value of BS trade mark cigarette is-1.059.
Embodiment 4----characterizes the fruital odor characteristic of YYZ trade mark cigarette:
Repeat embodiment 1, have following difference:
(1) according to the requirement of " the mensuration Simultaneous distillation-extraction-By Gas Chromatography-mass Spectrometry of tobacco and tobacco product aroma component " TCJC-ZY-IV-014-2012, YYZ trade mark cigarette aroma component is carried out to the mensuration of each property material actual content, measurement result is as shown in table 10;
Table 10YYZ trade mark cigarette every gram of pipe tobacco property material content (unit: μ g)
(2) the desired value P of each property material in YYZ trade mark cigarette is calculated
ior G
j, property material desired value is the relative content of each property material in every gram of pipe tobacco, and result is as shown in table 11.
Table 11YYZ trade mark cigarette property material relative content
(3) adopt the method for weighted statistical to calculate the fruital odor characteristic index FI of YYZ trade mark cigarette, the FI value of YYZ trade mark cigarette is-0.376.
Embodiment 5----characterizes the fruital odor characteristic of HSC trade mark cigarette:
Repeat embodiment 1, have following difference:
(1) according to the requirement of " the mensuration Simultaneous distillation-extraction-By Gas Chromatography-mass Spectrometry of tobacco and tobacco product aroma component " TCJC-ZY-IV-014-2012, HSC trade mark cigarette aroma component is carried out to the mensuration of each property material actual content, measurement result is as shown in table 12;
Table 12HSC trade mark cigarette every gram of pipe tobacco property material content (unit: μ g)
(2) the desired value P of each property material in HSC cigarette is calculated
ior G
j, property material desired value is the relative content of each property material in every gram of pipe tobacco, and result is as shown in table 13.
Table 13HSC trade mark cigarette property material relative content
(3) adopt the method for weighted statistical to calculate the fruital odor characteristic index FI of HSC trade mark cigarette, the FI value of HSC trade mark cigarette is-1.070.
Application Example 1
Carry out aesthetic quality by the regulation of expert group according to " technical requirement of GB5606.4-2005 cigarette sense organ " of smokeing panel test to the cigarette that embodiment 1 ~ 5 characterizes to smoke panel test, and contrast with the FI value of each cigarette, the results are shown in Table 14.
Table 14 Sensory Quality of Cigarette is smoked panel test fruital odor characteristic smoking result
As shown in Table 14, FI index and its fruital odor characteristic sensory evaluating smoking result of cigarette present positive correlation, the cigarette that fruital odor characteristic score is high, its FI index is also corresponding higher, shows that FI index has certain applicability in sign cigarette fruital odor characteristic trend.
Claims (1)
1. adopt index to characterize a method for cigarette fruital odor characteristic, comprise the following steps:
(1) according to the relation between cigarette fruital odor characteristic and shredded tobacco fragrant, and in conjunction with fruital fragrance the way of production, determine that 10 kinds of materials are as fruital odor characteristic material: 2-methoxy-phenol, oxidation isophorone, eugenol, 3-(1-Methylethyl) (1H) pyrazoles [3,4-b] pyrazine, dihydroactinidiolide, 3-oxo-ALPHA-ionol, undecalactone, neophytadiene, phenylacetaldehyde and ethyl palmitate;
(2) correlation coefficient r between fruital fragrance score and 10 kinds of property materials is calculated
ior r
jand then determine that 8 property materials on fruital fragrance has forward to affect are: 2-methoxy-phenol, oxidation isophorone, eugenol, 3-(1-Methylethyl) (1H) pyrazoles [3,4-b] pyrazine, dihydroactinidiolide, 3-oxo-ALPHA-ionol, undecalactone and neophytadiene; On 2 property materials that fruital fragrance has negative sense to affect be: phenylacetaldehyde and ethyl palmitate;
(3) weight of each property material is calculated, wherein, forward index weights ω
i,
r
ifor forward index related coefficient, m is the property material number having forward to affect; Negative sense index weights g
j,
r
jfor negative sense index related coefficient, n is the property material number having negative sense to affect;
(4) according to the requirement of " the mensuration Simultaneous distillation-extraction-By Gas Chromatography-mass Spectrometry of tobacco and tobacco product aroma component " TCJC-ZY-IV-014-2012, each property material actual content x is carried out to the aroma component of cigarette to be measured
iand x
jmensuration;
(5) the desired value P of each property material in cigarette to be measured is calculated
ior G
j, property material desired value is the relative content of each property material in every gram of pipe tobacco;
x
i (j)for the actual content of every gram of each property material of pipe tobacco, μ
i (j)for the average of every gram of each property material content of pipe tobacco, σ
i (j)for the standard deviation of every gram of each property material content of pipe tobacco;
(6) adopt the method for weighted statistical to calculate the fruital odor characteristic index FI of cigarette to be measured, its computing formula is as follows:
m is the property material number having forward to affect, ω
ibe the weight of i-th forward property material, P
ibe the desired value of i-th forward property material, n is the property material number having negative sense to affect, g
jfor the weight of a jth negative sense property material, G
jfor the desired value of a jth negative sense property material;
(7) fruity flavor characteristic of cigarette and index FI correlation, namely the fruital odor characteristic index FI value of cigarette to be measured is higher, then show that the fruital odor characteristic of this cigarette is more obvious.
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Application publication date: 20160106 |