FUTURE TRENDS IN FOOD TECHNOLOGY
PERSONALIZED NUTRITION AND HEALTH
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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breaks down fat
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kills bacteria
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makes vitamins
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None of the above
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Detailed explanation-1: -The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins. The acidic gastric juice also kills bacteria.
Detailed explanation-2: -Gastric juice consists of HCl and pepsin and can kill bacteria within 15 min when the pH is less than 3.0 (8). If the pH is raised above 4.0, bacterial overgrowth may occur.
Detailed explanation-3: -Except after a meal, when the stomach is full of food, the pH of the normal human stomach can be very low, around pH 2, which will kill Salmonella and many other bacteria that cause enteric diseases.
Detailed explanation-4: -The secretion of hydrochloric acid by the stomach plays an important role in protecting the body against pathogens ingested with food or water.
Detailed explanation-5: -In mouth, salivary lysozyme kills the bacteria whereas in stomach, hydrochloric (HCl) acid kills bacteria.