Currently on the market has been circulating a variety of liquid milk. Some labeling of fresh milk, pasteurized milk, sterilized milk or UHT milk (Ultra High Temperature). You know, all types of milk have the same nutritional content as has been formulated with fresh milk. But compared to fresh milk, milk which has undergone various processing this has advantages, namely a longer shelf life.
FRESH MILK
- Fresh milk is milk from cows, buffalo, horses, goats or sheep are healthy and not mixed colostrum.
- Terms of fresh milk is good: containing not less than 3.25 percent milk fat and 8.25 percent solids not fat.
- Not containing added water, food additives and antibiotics, and have not experienced a change of color, odor and viscosity.
- Has the best flavor than fresh milk that has been processed for fatty acid content of milk (butyric acid) is still good.
- To secure food, fresh milk should be drunk directly processed first. How, by heating until the temperature reaches 70รบ80 degrees Celsius for 50-10 minutes. So, do not boil the milk so that the emulsion is not broken.
- Fresh milk that has been processed and should immediately be taken out immediately. When stored at room temperature is feared that there are microbes in the air will damage the milk. Period store at room temperature no more than two hours.
- When stored in the refrigerator, chances are able to survive for 12 hours. But try to use containers that have been sterilized (can use a glass or glass bottle that has been boiled).
- Microbes in the air will contaminate the fresh milk that has been milked. This is because the conditions of air temperature and humidity in Indonesia is high (average 28 ° - 30 ° C).
MILK UHT (Ultra High Temperature)
- Fresh milk or milk reconstitution or recombination of sterilized milk at a temperature of not less than 135 ° C for 2 seconds and immediately packed in sterile packaging.
- Heating with temperatures reaching 135 ° C was able to kill the bacteria that exist.
- Taste the milk was not very good because it has been through the process of heating with high temperature.
- The advantage of this process does not eliminate micro-nutrient content, such as vitamins and minerals.
- Content of nutrients has been formulated to resemble fresh milk and powdered infant formula. It implies no less than 3.25 percent milk fat and 8.25 percent solids not fat.
- Can be stored at room temperature.
- When storage reaches six months to a year for an unopened package.
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