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USDA statistics from 1998 showed that more than 1.02 billion kilograms of mozzarella cheese and 621 million kilograms of yogurt were produced from S. thermophilus. [10] Although its genus, Streptococcus , includes some pathogenic species, food industries consider S. thermophilus a safer bacterium than many other Streptococcus species.
Curd is made by bacterial fermentation of milk. In this process, lactose in milk is converted into lactic acid by several probiotic microorganisms.The species involved in the fermentation depends on the temperature and humidity of the environment and may include Lactococcus lactis, Streptococcus diacetylactis, Streptococcus cremoris, Lactobacillus delbrueckii subsp. bulgaricus and ...
Ultra-high temperature processing (UHT), ultra-heat treatment, or ultra-pasteurization [1] is a food processing technology that sterilizes liquid food by heating it above 140 °C (284 °F) – the temperature required to kill bacterial endospores – for two to five seconds. [2]
After that, the mix is cooled at a temperature of 0 to 4 °C (32 to 39 °F). Once it has reached the desired temperature and viscosity, the yogurt is allowed to sit in aging tanks for up to four hours. Sweeteners, flavorings, and colorings are then mixed in, and the yogurt mixture is cooled at a temperature of −6 to −2 °C (28 °F).
Pasteurized milk in Japan A 1912 Chicago Department of Health poster explains household pasteurization to mothers.. In food processing, pasteurization (also pasteurisation) is a process of food preservation in which packaged foods (e.g., milk and fruit juices) are treated with mild heat, usually to less than 100 °C (212 °F), to eliminate pathogens and extend shelf life.
The all-time high of 121 °F (49 °C) [35] nearly rivals the record high temperatures of Phoenix, Arizona (122 °F (50 °C)) and Palm Springs (123 °F (51 °C)). The city of Burbank, at the eastern end of the Valley, is also known for being significantly hotter than downtown Los Angeles, which is only 9 miles (14 km) to the south.
New research finds the optimal room temperature range for sleeping for older adults. Here, experts explain the best temperature for sleep.
The species is commonly found in humans, specifically the gastrointestinal tract and oral cavity as well as some speciality fermented foods such as fermented milk or yogurt, though it is not the most common species for this. The species most readily grows at low pH levels (below 5.0), and has an optimum growth temperature of 37 °C.