Purestock/Purestock/Getty Images. Hydroxycitric acid, which comes from the Garcinia cambogia fruit, is often sold as a weight-loss supplement. The fruit itself is used as a condiment in Southeast Asian dishes, such as curries.In purified supplement form, hydroxycitric acid may cause some side effects, so check with your doctor before adding it to your daily regimen.he fruit itself is used as a condiment in Southeast Asian dishes, such as curries. In purified supplement form, hydroxycitric acid may cause some side effects, so check with your doctor before adding it to your daily regimen.
Why is liquid nitrogen used to fast freeze food instead of liquid oxygen? There are two reasons. First, liquid nitrogen is colder than liquid oxygen and thus more effective at flash freezing.
It is nonflammable and it will not support combustion. Nitrogen gas is slightly lighter than air and slightly soluble in water. It is commonly thought of and used as an inert gas; but it is not truly inert. It forms nitric oxide and nitrogen dioxide with oxygen, ammonia with hydrogen, and nitrogen sulfide with sulfur.