2.4.1. Preparation of Blood Samples for Analysis
BLOOD
The subjects were informed about the conditions for blood collection, i.e., no intense physical activity in the 24 h before the test and a recent low-fat meal. Blood samples were collected during the morning fasting from the ulnar vein using an S-Monovette syringe (SARSTEDT, Nümbrect, Germany) and centrifuged for 4 min at 1500× 