According to WebMD: Nitrites. Bacteria that cause a urinary tract infection (UTI) make an enzyme that changes urinary nitrates to nitrites. Nitrites in urine show a UTI is present.
When a protein is denatured, this can cause an enzyme to lose its confirmation.
if you have black urine i strongly suggest you seek medical help immediatley... it is not normal to have black urine
fish urine is black a very ight black
Yes cabbage can cause a urine smell.
Yes
Heat
Get an enzyme based odor remover from a veterinarian's office or a pet supply store, it works just as well on human urine as it does on pet urine.
An enzyme is a catalyst for chemical reactions. Three variables that can cause an enzyme to lose its ability to function are temperature, pH level and concentration.
The most usual cause of blood in the urine is a kidney stone.
Diluted urine can cause a violation of probation. Diluted urine indicates that the urine has been tampered with to alter test results.
Physical activity can alter the shape of enzyme which can cause damage or may the enzyme become inactive