A kind of chilled chicken processing technology
Technical field
The present invention relates to chicken processing technologies, and in particular to a kind of chilled chicken processing technology.
Background technique
The definition of chilled chicken be according to operating instruction after concentration is butchered, by the trunk of chicken through air-cooled or water-cooled process,
It is reduced to chicken trunk temperature in 1 hour freezing point (- 1.2 DEG C or so), and begins in subsequent processing, circulation and retail sales process
It is maintained at -1.2 DEG C or so eventually.Segmentaion position (Fresh Grade Breast, chicken leg, chicken wings etc.) including whole chicken, whole chicken after net thorax,
The byproduct (chicken head, chicken neck, chicken organ, chicken feet etc.) of chicken.Chilled chicken has edible safety, long shelf-life, delicious meat etc. excellent
Point, the deep favor by consumer, the market demand are continuously increased.Due to the limitation of processing technology, currently, ice available on the market
Freshly-slaughtered poultry quality is very different, and class PSE meat incidence is higher, and water loss is serious, causes the shelf-life short, organoleptic quality is bad.Ice
The production of freshly-slaughtered poultry is related to preceding management, lead to syncope bloodletting, scalds, depilation condition, going internal organ program, synchronous quarantine, trunk cooling, packaging
Etc. technologies, so each sport technique segment is closely related in the quality of chilled chicken.Therefore, using system, science, easily operated
Chilled chicken processing method help to improve the quality of chilled chicken, there is biggish application potential and demand.
Summary of the invention
It is of the invention mainly solving the technical problems that improve the quality of ice temperature chicken using the method for whole-course quality control, mention
The high ice temperature chicken processing method of healthy and safe, excellent quality, nutritive value is able to produce out for a kind of.
Technical solution provided by the invention is a kind of chilled chicken processing technology, successively include transport, rest, leading to syncope, assassinating,
Lose hair or feathers, butcher, cool down and divide storage.
Further improvement of the present invention includes:
The haulage time of the broiler chicken must not exceed 4 hours, and temperature is strict controlled in 25~26 during transportation
℃;Fasting time should control between 6~8 hours, kill first 1 hour taboo water.
The time rested no more than 3 hours.
Stunning is led to syncope using high pressure low-frequency electrical ensures that broiler chicken is lost consciousness immediately, and continues at least 40 seconds;The height
Pressing low-frequency electrical is 380V, electric current 100mA, frequency 50Hz.
Described assassinate includes all by electroluminescent dizzy chicken, it is necessary to complete to assassinate in 50 seconds after leading to syncope, it is dynamic accurately to cut neck
Arteries and veins bloodletting avoids cutting esophageal intubation, completes bloodletting in 180 seconds.
It is 59~61 DEG C that the depilation, which includes with scalding water water temperature, and the time is to lose hair or feathers after scalding for 40~90 seconds.
It is 51~54 DEG C that the depilation, which includes with scalding water water temperature, and the time is to lose hair or feathers after scalding for 90~120 seconds.
The cooling includes that pre-cooling is scarce and cooling eventually, and the precooling water temperature is not higher than 5 DEG C, and broiler chicken must be opposite to water flow
Direction is mobile, to make broiler chicken contact most clean water always when moving, keeps cooling water clean, every chicken water consumption is 1
Liter or more, precool the 1/2~2/3 of time Zhan total cooling time;Whole cooling generallys use cold water and adds 1/3 ice cube or cooling water,
Water temperature is maintained at 0~2 DEG C, and every 1.5 liters of chicken water consumption or more, chicken trunk chest muscle central temperature is down to 5 DEG C after cooling eventually
Below;It is no less than total cooling time 30 minutes.
The chicken trunk for draining cooling completion, by-product directly or by chicken neck are hung up into conveyer chain feeding next procedure point
Rear sabot is cut, under -2 DEG C of environment, cold meat temperature is but to -1.2 DEG C.
Whole chicken trunk, different parts divided chicken or by-product carry out chilled storage under -1.2 DEG C of environment.
Advantageous effects of the invention are embodied in the following aspects: the method that 1. present invention use whole-course quality control
Improve ice temperature chicken quality, provide it is a kind of be able to produce out healthy and safe, excellent quality, nutritive value it is high ice temperature chicken processing
Method meets actual production and needs, is conducive to promotion and application.2. the present invention lead to syncope (380V, electricity using high pressure low-frequency electrical
Flow 100mA, frequency 50Hz) nobbler, it can be ensured that broiler chicken is lost consciousness immediately, reduces the struggle of broiler chicken, reduces class PSE meat
Incidence.The characteristics of manipulation is convenient 3. whole-course quality control technology of the invention has, significant effect, has a vast market
Prospect.
Specific embodiment
It elaborates below with reference to embodiment to the present invention.
Embodiment 1:
The ice temperature chicken processing technology is as follows: the haulage time of broiler chicken must not exceed 4 hours, during transportation, strictly
Epidemic disaster problem is controlled, temperature is strict controlled in 25~26 DEG C, it is proposed that uses transport under controlled temperature vehicle, common transport lorry must
A thickness tarpaulin must be covered outside chicken coop come the wind sheltering that keeps warm;According to the chicken of chicken coop in calendar variation strict control transportational process
Quantity;Haulage vehicle needs holding to clean during transportation, is steady, reduces to the greatest extent during transportation because the difference of road conditions is made
At jolt.Fasting time should control between 6~8 hours, kill first 1 hour taboo water.Broiler chicken cargo handling process should keep quite,
Movement is gentle, it is necessary to and so that broiler chicken is kept upright steadily, cannot jolt or shake, chest or cage must not be allowed to tilt, it can not
It tosses or is buckled to, such as need to stack in chest or cage when killing, have to the stability for guaranteeing its placement position,
Chest or cage are vertically placed on the top of another chest;The time rest no more than 2 hours, at most no more than 3 hours.
When operator takes out chicken from cage, careful operation is had to, must not lift, pull chicken head, wing or feather, hang chicken vehicle
Between should keep low-light (level) and equipped with control system, the measurement work such as gross weight, tare weight, dead chicken number, live chickens number can be completed;When hanging chicken
Light extension is gently grabbed, mechanical damage is prevented, and answers both feet while hanging on hook.High pressure low-frequency electrical lead to syncope (380V, electric current
100mA, frequency 50Hz) should ensure that broiler chicken is lost consciousness immediately, and continue at least 40 seconds, guarantee to assassinate and bloodletting complete with
Preceding broiler chicken does not restore to realize.It is all by electroluminescent dizzy chicken, it is necessary to after leading to syncope in 50 seconds complete assassinate, accurately cut arteria carotis
Bloodletting avoids cutting esophageal intubation, completes bloodletting in 180 seconds.Scalding water keeps hygienically clean, and using circulating water and frequently changes water,
Every chicken of quantity of exchanged water is at least at 800 milliliters, and water temperature uses 59~61 DEG C, and the time is 40~90 seconds, or uses lower temperature (51
~54 DEG C, 90~120 seconds).Depilation is carried out continuously to chicken body with depilator, scalds and is separated between other processing between hair and depilation.
During internal organ are won, prevent enteron aisle damaged, alimentary canal content and bile etc. must not pollute chicken trunk, and the intestinal tube of damage is not
Permitted to hang from above in chicken body surface face.It is repeatedly rinsed inside and outside trunk during winning internal organ with the clear water with enough pressure.Synchronous inspection
Epidemic disease main points are sent out (2010) No. 27 butchering fowl quarantine regulatory requirements by agriculture doctor and are executed.Chicken trunk or by-product after rinsing well
Object should quickly enter in the cold water cooling bath containing agitating device, continuous dipping and cooling.Cooling generally operates in two stages,
It precools and cooling eventually.Water temperature control is precooled at 5 DEG C hereinafter, broiler chicken must be mobile to water flow opposite direction, to make meat
Chicken contacts most clean water always when moving, keeps cooling water clean, every chicken water consumption is at 1 liter or more.Precool the time
The 1/2~2/3 of Zhan total cooling time.Whole cooling generallys use cold water and adds 1/3 ice cube or cooling water, and water temperature is maintained at 0~2 DEG C,
Frequently change the cooling water of health, every 1.5 liters of chicken water consumption or more, it is cooling after chicken trunk chest muscle central temperature be down to 5 DEG C with
Under.It should be no less than total cooling time 30 minutes.It is handled according to chlorination agent in cooling water, keeps residual chlorine in water
45~50 mg/kgs, and need constantly to change water and addition chlorhexidine-containing disinfectant.The chicken trunk, the by-product that drain cooling completion is straight
It connects or chicken neck is hung up into conveyer chain and be sent into sabot after next procedure is divided, under -2 DEG C of (0.3 DEG C of scholar) environment, cold meat temperature
But to freezing point (- 1.2 DEG C or so).Whole chicken trunk, different parts divided chicken or by-product, drain after weighing automatically, are packed into
Additional air is packed and squeezed out, sack is tightened with adhesive tape, carries out chilled storage (- 1.2 DEG C of 0.2 DEG C of scholars).
Advantageous effects of the invention are embodied in the following aspects: the method that 1. present invention use whole-course quality control
Improve ice temperature chicken quality, provide it is a kind of be able to produce out healthy and safe, excellent quality, nutritive value it is high ice temperature chicken processing
Method meets actual production and needs, is conducive to promotion and application.2. the present invention lead to syncope (380V, electricity using high pressure low-frequency electrical
Flow 100mA, frequency 50Hz) nobbler, it can be ensured that broiler chicken is lost consciousness immediately, reduces the struggle of broiler chicken, reduces class PSE meat
Incidence.The characteristics of manipulation is convenient 3. whole-course quality control technology of the invention has, significant effect, has a vast market
Prospect.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims
And its equivalent thereof.