Fat burning has been misunderstood with all sorts of explanations while overlooking the nervous system as the killer switch.
When we talk about weight loss, what comes into your mind is only exercise and diet. However, it's more complicated than that. There is more chemistry than what you think. We are going to talk about exactly that but we can not emphasize much on chemistry. we can talk about what really happens just for comprehension's sake.
For example there is a hormone known as epinephrine( adrenaline) which is secreted from the nervous system. So simply put, this hormone is produced by the nervous system(the electrical part of the body).
The nervous system is comprised of interconnected neurons that makes up the central nervous system( the brain and the backbone) and the peripheral nervous system(neurons from other parts of the body). It is actually the sympathetic nervous system from the brain which produces the hormone called epinephrine unlinke what others say that the hormone for this purpose is secrected by adrenal glands.
It speeds up the mobility of tryglicerides(fat acids connected to a glycerol molecule and their oxidation into target cells(in the mitocondria) where they are burned(oxidised) to produce energy. In short, it increases metabolism of lipids(fats). Of course there is more chemistry going on at this point but that's the importance of the nervous system and the hormone it produces. We shall talk about some of the details of how this occurs in a minute.
During the time when adrenaline is produced, a protein known as kinase A is activated and this helps to cause the phosphorylation of some proteins(perilin) found on the membrane of the adipocytes which causes it to open the selectively permeable membrane and activate the enzyme known as hormone sensitive lypase.
First of all, something has to trigger the nervous system to produce a hormone known (adrenaline)epinephrine
Once the hormone is secrected, it acts an an enzymes in the adipocytes(fat cells) to start the process of lipolysis.