The process is driven in part by genes in what's known as the "mitochondrial respiratory chain complex," a group of enzymes that help convert oxygen, sugar, and proteins into ATP through a process called oxidative phosphorylation
Agronomy 10:1481 Mashilo J, Odindo AO, Shimelis HA, Musenge P, Tesfay SZ, Magwaza LS (2017) Drought tolerance of selected bottle gourd [ Lagenaria siceraria (Molina) Standl.] landraces assessed by leaf gas exchange and photosynthetic efficiency
Research shows that plasma levels of this peptide decline dramatically with age, dropping from approximately 200 ng/ml at age 20 to around 80 ng/ml by age 60
(Athens)
The dietary instructions were given in writing and read aloud to the patients by the treating physician (For 2 days before the laboratory visit, do not consume foods containing serotonin or tryptophan, including avocado, banana, plum, peanuts, hickory nuts, pineapple, eggplant, tomato, kiwi, grapefruit, and honeydew, translated from Finnish)