Studies have shown that diet may affect the different components of the test results:
As blood 2 ~ 4h after eating a high-fat, can increase alkaline phosphatase;
Edible bananas, pineapples, tomatoes, urine can increase serotonin;
Food animal blood can cause false-positive fecal occult blood;
Alcohol can make plasma lactate, [gamma] - glutamyl transferase, increased uric acid;
Caffeinated beverages can increase plasma free fatty acids to promote brain and adrenal catecholamine release.
Thus, three days before the examination diet should be light, not eat animal organs, blood products and high fat foods; do not drink within 24h, fibrous food deprivation.
