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MILK AND DAIRY PRODUCTS (PRODUCTION (Extraction (Workers wear white…
MILK AND DAIRY PRODUCTS
PRODUCTION
Extraction
Workers wear white clothing
Everything made out of stainless steel so milk doesn´t get dirty
Cows are cleaned
Clear container for milk
Health of cow
Breeds
Jersey (brown)
Holstein (black and white)
Variety of grass
Soil fertility
Time of year
More Vit A (as b-carotene) is found in summer grass
HEAT TREATMENT
Dried milk
Ultra heat treatment (UHT)
132°C for 1-2 sec. Then cooled rapidly
Doesn´t alter colour or nutritional value
Esterilization
Continuous
.
Batch
113°C for 15-40 min
Evaporated
115.5°C for 15 min
Condensed
Pasturization
Flash Method
72°C for 15 sec
Holder Method
63°C for 30 min
WHOLE MILK
3% fat
SEMI-SKIMMED MILK
1.5 - 1% fat