A uric acid test measures the amount of a waste product called uric acid (urate) in your blood or urine. Uric acid is a byproduct of the breakdown of chemicals called purines found in foods and drinks ...

(a) Annatto tree (known as “urucuzeiro” in Brazil) and annatto fruit (known as “urucum”), a small capsule with soft spines containing the seeds/dyes; (b) carotenoid formed by isoprene ...

Nitrites are chemical compounds that contain nitrogen and oxygen. Chemically, they are a salt or an ester of nitrous acid. They are often used to cure meats, such as ham and bacon, and are responsible ...