人體無法直接使用脂肪
when our bodies give the signal that it needs more energy, lipase in fat cells helps release the fat into circulation.
Once that happens, fatty acids are gobbled up by cells hungry for energy, like our muscles, where it can be used immediately or stored in droplets for later.
To create energy, the fatty acids enter the mitochondria — the energy factories of our cells — where they are converted into carbon dioxide, heat and water, making something called ATP in the process,” she continues. “It is ATP that is the energy currency of the cell.”