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Yak Triton production method suitable for pastoral area

A production method and qula technology, applied in dairy products, climate change adaptation, cheese substitutes, etc., to achieve the effects of stable quality, good color and flavor, fast fermentation and drying speed

Inactive Publication Date: 2015-01-07
GANSU AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the problems existing in the production of koji by herdsmen mainly include: ① natural fermentation is adopted, and there is no fixed strain, so the strains in the fermentation process are mixed and the quality of the product is unstable; ② There is no heat preservation condition in the fermentation process, the fermentation temperature is low, and the speed is slow; ③The drying process adopts the method of drying on the ground naturally, because the main production area of ​​Qula is high above sea level (above 3000m), and the ground temperature is the highest at 35℃~38℃, so Qula The drying speed is slow. Due to the long-term contact with the air, the oxidative browning of Qula is serious during the drying process. In addition, the drying environment and sanitation conditions are poor, resulting in the common defects of Qula such as dark yellow color, sour smell, and many impurities. Further processing There are many difficulties in using

Method used

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  • Yak Triton production method suitable for pastoral area
  • Yak Triton production method suitable for pastoral area
  • Yak Triton production method suitable for pastoral area

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] (4) Pick up the coagulum obtained from the fermentation in step (3), put it into a stainless steel mesh tray with a 40-mesh filter cloth, cover and drain for 30 minutes, and there will be no dripping;

[0047] (5) Disperse the drained coagulum into small particles of 0.5-1cm, spread evenly on a tray with a stainless steel sieve bottom, place the tray in a solar drying room, adjust the ventilation valve, and control the temperature of the drying room at 45°C , under the condition of wind speed 0.1m / s, the drying was completed in 14 hours, and finally 4.25 kg of Qula was obtained;

[0048] (6) Put the dried Qula into a light-proof bag, seal it and store it in a dry and cool place.

[0049] Example 2

[0050] (1) Fresh milk collection: Collect 50 kg of fresh yak milk and filter it with 4 layers of gauze;

[0051] (2) Centrifugal degreasing: heat the filtered yak milk in a water bath to 50°C, use an electric cream separator at a speed of 4300r / min to degrease, and put the...

Embodiment 2

[0053] (4) Pick up the coagulum obtained from fermentation in step (3), put it into a stainless steel mesh tray with a 20-mesh filter cloth, cover and drain until no water drips;

[0054] (5) Disperse the drained coagulum into small particles of 0.5-1cm, spread evenly on a tray with a stainless steel sieve bottom, place the tray in a solar drying room, adjust the ventilation valve, and control the temperature of the drying room at 55°C , under the condition of wind speed 0.5m / s, finish drying after 10h, and obtain 4.95 kilograms of Qula;

[0055] (6) Put the dried Qula into a light-proof bag, seal it and store it in a dry and cool place.

[0056] Example 3:

[0057] (1) Fresh milk collection: Collect 50 kg of fresh yak milk and filter it with 4 layers of gauze;

[0058] (2) Centrifugal degreasing: heat the filtered yak milk in a water bath to 45°C, use an electric cream separator to degrease at a speed of 4600r / min, and put the skim milk into a stainless steel bucket;

Embodiment 3

[0060] (4) Pick up the coagulum obtained from fermentation in step (3), put it into a stainless steel mesh tray with a 60-mesh filter cloth, cover it and drain until there is no water dripping;

[0061] (5) Disperse the drained coagulum into small particles of 0.5-1cm, spread evenly on a tray with a stainless steel sieve bottom, place the tray in a solar drying room, adjust the ventilation valve, and control the temperature of the drying room at 65°C , when dried for 7.5 hours under the condition of wind speed 0.3m / s, the inside and outside of the product were dry and hard, crisp and delicious when chewed, and finally 4.82 kg of Qula was obtained;

[0062] (6) Put the dried Qula into a light-proof bag, seal it and store it in a dry and cool place.

[0063] The quality of the yak qula made by this method is evaluated, and the results are as follows:

[0064] (1) Sensory evaluation

[0065] The sensory evaluation of yak Qula was carried out by using the method of sensory scori...

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Abstract

The invention provides a yak Triton production method suitable for a pastoral area. According to the yak Triton production method, yak Triton is produced mainly by a ready-to-use starter and a solar energy hot air drying method. According to the product, the water content is less than 11%, the luminance (L*value) is larger than 82 and obviously higher than traditional Triton (L*value 57-74), the yellow degree (b*value) is less than 18.5 and obviously lower than the traditional Triton (b*value 23-28), 5-HMF is less than 2.1 and obviously lower than the traditional Triton ((18-45)mg / L). In a word, the yak Triton production method is fast in fermentation and drying, the production process is clean and sanitary, labor is saved, and the product is strong in oxidation resistance, good in color, luster and flavor, stable in quality, and the like.

Description

technical field [0001] The invention relates to the field of dairy processing and production. Specifically, it is a method for making yak qula suitable for pastoral areas. Background technique [0002] Qula (Tibetan) is a product obtained by the herdsmen in the Qinghai-Tibet Plateau using natural conditions to degrease, ferment, heat, coagulate, and dehydrate yak milk. It is a unique type of dairy product in the pastoral areas of the Qinghai-Tibet Plateau in my country. Herdsmen eat it themselves and use it as a raw material for industrial production of casein. Qula has a large output in pastoral areas on the Qinghai-Tibet Plateau, with an annual trading volume of more than 25,000 tons. In pastoral areas with underdeveloped transportation, compared with fresh milk, Qula has the characteristics of easy storage and transportation. With the increasing demand for industrial production, Qula The value of pulling has increased from about 1.2 yuan per kilogram in the past to abo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23C19/032
CPCY02A40/924
Inventor 韩玲王军程涛敏文祥文鹏程王琳琳
Owner GANSU AGRI UNIV
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