CN107397111A - A kind of cumin powder processing method sterilized using radio frequency - Google Patents
A kind of cumin powder processing method sterilized using radio frequency Download PDFInfo
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- CN107397111A CN107397111A CN201610351622.8A CN201610351622A CN107397111A CN 107397111 A CN107397111 A CN 107397111A CN 201610351622 A CN201610351622 A CN 201610351622A CN 107397111 A CN107397111 A CN 107397111A
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- cumin powder
- radio frequency
- sterilization
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/005—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating using irradiation or electric treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Apparatus For Disinfection Or Sterilisation (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention discloses a kind of cumin powder processing method sterilized using radio frequency, belong to food processing field.The present invention is using pre-dried cumin particle as raw material, by crushing, loading, packing, sterilizing and cooling obtains product cumin powder.Traditional dry-air sterilization is substituted using radio frequency sterilization, while germicidal efficiency is improved, and preferably maintains the original color and luster of cumin powder and flavor.The present invention is a kind of sterilization of high efficiency, and long shelf-life, technological process is simple, and product nutrient safe, energy consumption is low, is adapted to the cumin powder processing method of industrial applications.
Description
Technical field
The present invention relates to a kind of cumin powder processing method sterilized using radio frequency, belong to food processing field.
Background technology
Cumin is Umbelliferae cumin apium 1 year or biennial herbaceous plant, it is considered to be the important spice crop of the second in the world
As the common flavoring of life, it has unique flavor and deodorization and freshness-enhancemenfeeding effect.Cumin is rich in essential oil, and fragrant odour is strong, tool
There is the significant activity for removing hydroxyl radical free radical, DPPH free radicals and anti-lipid peroxidation thing.Cumin is as Xinjiang Uygur
The important ethnic drug of race is often used to treat indigestion, jaundice, diarrhoea, flatulence, and cumin also has reason in addition to therapeutic efficiency
Gas appetizing, dispelling cold and dehumidification, anti-inflammatory, diuresis, wind-dispelling, anti-spasm, antiallergy, anti-oxidant, platelet aggregation-against and the medicine such as hypoglycemic
Use characteristic.
Cumin powder is cumin by harvesting, Exposure to Sunlight, drying, mechanical lapping or squeezes powder made of crushing, therefore its micro- life
Thing pollution is quite serious, and these microorganisms may include pathogenic or putrid microorganism.Cumin powder is often added in meat
To promote the flavor of meat in product, its microbiologic properties not only has influence on the quality of meat products, but also can influence food
Security.Traditional sterilization mode has that xeothermic, irradiation and oxepane are stifling etc., but longer the time required to handling and wind after handling
Taste, color and luster loss are serious, chemical residue, or even cause environmental pollution.Radio frequency sterilization is to utilize radio frequency (3KHz-300MHz
Electromagnetic wave) cause heating object material strip electron ion vibration migration and dipole rotation and convert electrical energy into heat energy, improve
Temperature of charge, so as to kill the method for microorganism.Compared to other method for disinfection, radio frequency sterilization can the shorter time and compared with
The microbiological indicator of cumin powder is met national standard at low temperature, and cumin powder color and luster and flavor will not be caused obvious
Change.
There are three through retrieval and the closely related patent of this patent, concrete analysis is as follows：
Method for disinfection (publication number for kiwi-fruit juice：CN 104188046A)：Including kiwi-fruit juice is placed in into radio frequency dress
The step of radio frequency sterilization is carried out between the pole plate put.Compared with the present invention, its raw material is liquid material kiwi-fruit juice, with the present invention
In solid powder cumin powder significant difference be present, although being to be sterilized using radiothermics, for liquids
For material and the powdery type material of low moisture content, there is significant difference in principle of heating, and heating sterilization difficulty is very different.
The another present invention packs using the mode for installing waterproof vent valve additional on sealed membrane, is sterilized again afterwards, after belonging to packaging
Sterilization, obvious difference be present with it.
A kind of peanut butter of the high Resveratrol content of low fat and preparation method thereof (publication number：CN 105011241A)：Adopt
Sterilized with radio frequency and replace traditional thermal sterilization, sterilization to carry out hot filling after terminating, the product after filling cooling is stood into 24h vertically
Cured above, obtain product peanut butter.Compared with the present invention, there is obvious difference, and this hair in its raw material with the present invention
It is bright to be packed using the mode for installing waterproof vent valve additional on sealed membrane, sterilized, sterilized after belonging to packaging again afterwards, with
Obvious difference be present in it.
A kind of infrared vacuum drying of intermediate waves combines the method (disclosure that flexible sterilization prepares half-dry type conditioning hand-torn stewed beef
Number：CN 105146553A)：It uses nano zine oxide joint radio frequency sterilization to carry out sterilization processing to beef.With phase of the present invention
Obvious difference, and its long sterilizing time, low production efficiency with the present invention be present than, its raw material and with sterilization mode.
The content of the invention
After cannot be guaranteed quick sterilization for existing cumin powder sterilization technology and handle the defects of product quality, applicant enters
Go widely studied, found to be applied to the radiothermics that nut is dried and biscuit bakees by traditional and be applied to cumin powder
Bactericidal effect is good in processing, and compared with traditional dry-air sterilization, germicidal efficiency is original more than 8 times.
The purpose of the present invention is a kind of processing of the cumin powder with long, sterilization of high efficiency the nutrient safe of shelf life of exploitation
Method.Cumin particle obtains finished product after crushing, load, packing and sterilizing.Specifically, the present invention is by following technologies
What scheme was realized.
(1) crush：Cumin particle is crushed by pulverizer, the cumin powder moisture after crushed is less than 12%, energy
Pass through 40 eye mesh screens；
(2) load：Cumin powder after 148-155g is crushed is packed into the plastic casing that material is PP.Wherein height of materials
32mm, container height 42mm, top internal diameter a diameter of 120mm, base diameter 100mm；
(3) pack：Waterproof vent valve of one waterproof ventilated membrane diameter more than 12mm is installed at sealed membrane center, it is right after overlay film
Plastic casing carries out heat-seal process, and sealing temperature is 180 DEG C, time 20-30s；
(4) sterilize：Product after packaging is subjected to sterilization processing, pole plate spacing using 6kw, 27.12MHz radio frequency heating equipment
For 90-150mm, material final temperature is 90 DEG C；
(5) cool down：Box-packed cumin powder after will be treated is placed to be cooled down at room temperature, that is, obtains cumin powder product.
The advantages and positive effects of the present invention are：
The microorganism such as total plate count and coliform index meets national mark in the cumin powder that the present invention is prepared
Alignment request, and product has the characteristics of long shelf life.Whole production process high-efficiency environment friendly, only radio frequency sterilization are just more xeothermic than tradition
The time shortens 88% or so used in sterilization, drastically increases germicidal efficiency.This method is easy to operate, saves substantial amounts of people
Power and material resources, the consumption of the energy is reduced, the color and luster and smell of cumin powder do not change significantly, ensure that the quality of product.
Brief description of the drawings
The influence of Fig. 1 radio frequency processing bottom crown spacing and final temperature to total plate count (a) and coliform (b) fatal rate
The influence of moisture and final temperature to total plate count (a) and coliform (b) fatal rate under Fig. 2 radio frequency processings
Influence of the final temperature to bactericidal effect under Fig. 3 dry heat treatments
LDA (differentiation) analyses of Fig. 4 radio frequencies and the lower cumin powder volatile materials of dry-air sterilization processing
Embodiment
The concrete technical scheme of the present invention is further described, in order to which those skilled in the art is further understood that this hair
It is bright, without forming the limitation to its right.
Embodiment 1, radio frequency and the xeothermic heating for heating cumin powder under different condition
To the cumin powder that moisture is 4%, 7% and 10%, in the case where pole plate spacing is 100 and 120mm, progress radio frequency adds
Heat, using 120 DEG C of xeothermic heating, the time that cumin powder reaches needed for 60,70,80 and 90 DEG C is shown in Table 1.This is sterilized for radio frequency
During control material reach the control that different final temperatures provides processing time.
The radio frequency of table 1 and xeothermic heating temperature of charge time comparison table
Embodiment 2, the influence of pole plate spacing and material heating-up temperature to bactericidal effect
Original bacteria containing amount is 2.2 × 105±1.8×105(the total CFU/g of bacterium colony) and 787 ± 617 (coliform MPN/
100g), the cumin powder that moisture is 7% is used for the not sterilization test of plates of similar polarity spacing and temperature.Fig. 1 is cumin powder
The fatal rate of the progress radio frequency sterilization in the case where pole plate spacing is 100 and 120mm, total plate count and coliform is with material heating-up temperature
The change of (60,70,80 and 90 DEG C).As a result show, under 2 pole plate spacing total plate count and coliform fatal rate with
The rise of final temperature and increase.Pole plate spacing be 120mm under, when final temperature be 60 DEG C when, cumin powder total plate count and
Coliform fatal rate is respectively 94.3% ± 1.6% and 32.0% ± 18.9%.The cumin powder when final temperature reaches 90 DEG C
Total plate count and coliform fatal rate are respectively 99.3% ± 0.0% and 92.2% ± 5.6%.It is 60,70 in final temperature
During with 80 DEG C, total plate count fatal rate does not show certain rule, and the mark of acquired results between different pole plate spacing
Quasi- difference is larger.Because the bacteria containing amount of initial material cannot be guaranteed equipment sheet in absolute equal and radio frequency heating sterilization process
What the unstability of body was determined.When final temperature is 80 and 90 DEG C, it is significant poor to be not present between 2 different pole plates
Different, total plate count and coliform fatal rate have respectively reached 99.1% and more than 95.8%, the bacteria containing amount of sample at 90 DEG C
Less than the total plate count (1.5 × 10 of national Specification4Cfu/g, GB/T 18526.4-2001) and coliform content (≤
50MPN/100g, GB/T 18526.4-2001).
Embodiment 3, the influence of moisture and material heating-up temperature to bactericidal effect
Original bacteria containing amount is 2.2 × 105±1.8×105(the total CFU/g of bacterium colony) and 787 ± 617 (coliform MPN/
Cumin powder 100g) is used for the sterilization test of moisture and material heating-up temperature.Fig. 2 is to be in pole plate spacing
Radio frequency heating, moisture 4%, 7% and 10% cumin powder total plate count and coliform fatal rate are carried out under 120mm with thing
The change of material temperature degree (60,70,80 and 90 DEG C).As a result show, under different moistures, cumin powder total plate count and large intestine
The fatal rate of flora increases with the rise of final temperature.When final temperature is 60 DEG C, moisture is 10% cumin
Powder total plate count and coliform fatal rate are respectively 93.9% ± 1.0% and 11.7% ± 9.9%.When final temperature reaches 90
DEG C when, cumin powder total plate count and coliform fatal rate are respectively 99.4% ± 0.1% and 96.2% ± 0.0%.Final
When temperature is 60,70 and 80 DEG C, total plate count fatal rate does not show certain rule, and institute between different pole plate spacing
The standard deviation for obtaining result is larger.Because the bacteria containing amount of initial material cannot be guaranteed that absolute equal and radio frequency heating is sterilized
The unstability of equipment in itself is determined in journey.When final temperature is 80 and 90 DEG C, between 3 different moistures not
In the presence of significant difference, total plate count and coliform fatal rate have respectively reached 99.0% and more than 95.8% at 90 DEG C,
The bacteria containing amount of sample is less than the total plate count (1.5 × 10 of national Specification4Cfu/g, GB/T 18526.4-2001) and large intestine
Micro-flora content (≤50MPN/100g, GB/T 18526.4-2001).
Embodiment 4, dry-air sterilization test effect variation with temperature
Original bacteria containing amount is 2.2 × 105±1.8×105(the total CFU/g of bacterium colony) and 787 ± 617 (coliform MPN/
Cumin powder 100g) is used for dry-air sterilization experiment.Fig. 3 is that cumin powder total plate count and coliform cause in dry heat test
Dead rate with temperature (60,70,80 and 90 DEG C) change.As a result the rise with temperature, cumin powder total plate count and large intestine are shown
The fatal rate of flora significantly increases.When final temperature is 60 DEG C, the fatal rate difference of cumin powder total plate count and coliform
For 92.5% ± 0.3% and 25.0% ± 28.8%, when final temperature reaches 90 DEG C, cumin powder total plate count and coliform
Fatal rate be respectively 98.2% ± 0.2% and 77.1% ± 5.4%.
The result of the sterilization of contrast radio frequency heating and dry-air sterilization can be found：At identical temperature, radio frequency heating sterilization and it is xeothermic
Sterilization is close to total plate count fatal rate result, but to the fatal rate very different of coliform.When final temperature reaches 90 DEG C
When total plate count killing effect is up to state standards the requirement of (GB/T 18526.4-2001) but the killing effect of coliform
The not up to requirement of national standard (GB/T 18526.4-2001).And during radio frequency sterilization, when pole plate spacing is 120mm, moisture contains
Measure as 10%, the time that material final temperature reaches needed for 90 DEG C is 242s.And during dry-air sterilization, material final temperature reaches 90
DEG C then need 2009s.The germicidal efficiency of radio frequency heating sterilization is more than 8 times of dry-air sterilization.Therefore radio frequency sterilization is killed in cumin powder
During bacterium dry-air sterilization is superior in bactericidal effect and the aspect of germicidal efficiency two.
Embodiment 5, radio frequency sterilization and influence of the dry-air sterilization to cumin powder quality
Table 2 is influence of the different sterilization modes to cumin powder color, is as a result shown, untreated, 80 DEG C of radio frequency heating, is penetrated
90 DEG C of 90 DEG C of frequency heating, 80 DEG C of dry heat treatment and dry heat treatment, the L of 5 groups of cumin powder samples*And b*Value difference is not different notable；But penetrate
Frequency processing and dry heat treatment have differences significantly with untreated fish group, wherein 90 DEG C of dry heat treatment with and handle a of sample*Value difference
Different maximum, show that cumin powder can cause color and luster a by heating sterilization*The change of value, intensity of variation with processing time increase and
The increase for the treatment of temperature and increase.
The color change of the radio frequency of table 2 and the lower cumin powder of dry-air sterilization processing
Note：Data result is：Mean+SD；Different letters represent significant difference (P ＜ 0.05) in same row.
Fig. 4 is the analysis chart that the techniques of discriminant analysis that the characteristic value of averaging method extraction is carried out obtains, and LD1 variance contribution ratio is
86.1%, LD2 variance contribution ratio are 10.6%, and both accumulative variance contribution ratio sums are 96.7%, wherein discriminate LD1
Contribution rate it is big, play main differentiation.It can be seen that 90 DEG C of radio frequency processing and 80 DEG C of presence of dry heat treatment are substantial amounts of
Overlap phenomenon, on LD1 discriminates (abscissa span), radio frequency processing and untreated distance less than dry heat treatment with it is untreated
The distance between, therefore the difference between radio frequency processing and control group is less than dry heat treatment, illustrates the cumin powder product of radio frequency processing
Matter is better than dry heat treatment.
Claims (7)
1. a kind of cumin powder processing method sterilized using radio frequency, it is characterised in that using cumin particle as raw material, through crushing, wrapping
It is product after dress, sterilization and cooling treatment, concretely comprises the following steps：
(1) crush：Cumin particle is crushed by pulverizer；
(2) load：Cumin powder after crushing is packed into the plastic casing that material is PP；
(3) pack：One waterproof vent valve is installed at sealed membrane center, hot-seal is carried out to plastic casing with packing machine after overlay film
Processing；
(4) sterilize：Product after packaging is used into 6kW, 27.12MHz radio frequency heating equipment carries out heating sterilization processing；
(5) cool down：Box-packed cumin powder after will be treated is placed to be cooled down at room temperature, that is, obtains cumin powder product.
2. processing method according to claim 1, it is characterised in that in the step (1), the cumin powder moisture after crushing
Content need to be less than 12%, can pass through 40 eye mesh screens.
3. processing method according to claim 1, it is characterised in that in the step (2), the height of plastic casing is
42mm, top internal diameter a diameter of 120mm, base diameter 100mm.
4. processing method according to claim 1, it is characterised in that in the step (2), the dress of cumin powder in plastic casing
Raising degree is 32mm, loadings 148-155g.
5. processing method according to claim 1, it is characterised in that in the step (3), installed one on sealed membrane additional
The diameter of waterproof vent valve, wherein waterproof ventilated membrane need to be more than 12mm, and heat-sealing sealing temperature is 180 DEG C, sealing time 20-
30s。
6. processing method according to claim 1, it is characterised in that in the step (4), the condition of radio frequency sterilization processing
It is 90-150mm for pole plate spacing, temperature of charge is 90 DEG C.
7. processing method according to claim 6, it is characterised in that the condition of radio frequency sterilization processing is pole plate spacing
120mm, 90 DEG C of temperature of charge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610351622.8A CN107397111A (en) | 2016-05-18 | 2016-05-18 | A kind of cumin powder processing method sterilized using radio frequency |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610351622.8A CN107397111A (en) | 2016-05-18 | 2016-05-18 | A kind of cumin powder processing method sterilized using radio frequency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108477603A (en) * | 2018-03-05 | 2018-09-04 | 江南大学 | A method of spray drying conditioning wheat seedling powder flexibility sterilization and nutrition composition effectively preserve |
| CN113180104A (en) * | 2021-05-11 | 2021-07-30 | 江南大学 | Processing method for improving storage stability of highland barley |
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| CN104115925A (en) * | 2014-07-09 | 2014-10-29 | 上海交通大学 | Radiofrequency treatment method for sterilization and fresh keeping of cereal seeds |
| CN104188046A (en) * | 2014-07-03 | 2014-12-10 | 西北农林科技大学 | Sterilization method for kiwi berry juice |
| CN104255904A (en) * | 2013-09-25 | 2015-01-07 | 辽宁省农业科学院食品与加工研究所 | A physical preservative and fresh-keeping method for fruits and vegetables |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104255904A (en) * | 2013-09-25 | 2015-01-07 | 辽宁省农业科学院食品与加工研究所 | A physical preservative and fresh-keeping method for fruits and vegetables |
| CN104188046A (en) * | 2014-07-03 | 2014-12-10 | 西北农林科技大学 | Sterilization method for kiwi berry juice |
| CN104115925A (en) * | 2014-07-09 | 2014-10-29 | 上海交通大学 | Radiofrequency treatment method for sterilization and fresh keeping of cereal seeds |
Non-Patent Citations (2)
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| 刘嫣红等: ""射频技术在农产品和食品加工中的应用"", 《农业机械学报》 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108477603A (en) * | 2018-03-05 | 2018-09-04 | 江南大学 | A method of spray drying conditioning wheat seedling powder flexibility sterilization and nutrition composition effectively preserve |
| CN108477603B (en) * | 2018-03-05 | 2021-06-18 | 江南大学 | Method for flexibly sterilizing and effectively preserving nutritional components by spray drying conditioned wheat seedling powder |
| CN113180104A (en) * | 2021-05-11 | 2021-07-30 | 江南大学 | Processing method for improving storage stability of highland barley |
| CN113180104B (en) * | 2021-05-11 | 2022-10-11 | 江南大学 | Processing method for improving storage stability of highland barley |
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