I hate poachers and I love animals, but this guy I hard not to love and he does make a good villain. Utterly cruel and psychotic, he loves killing and is greedy. In fact, he's so psychotic that he attempts to feed Cody to the crocodiles when he no longer has use for him.
The first is leptin, which is a hormone secreted by your fat cells that acts as an appetite suppressant. Leptin levels peak when you fill up on food. So, when you eat a lot, your appetite goes away. If you ever said, 'I am so full I couldn't eat another bite,' then in that moment, your body was flooded with leptin.
As a natural appetite suppressant, green tea has properties that inhibit the effect of Catecholamine, which is a collection of two peptide hormones called dopamine and norepinephrine. It also activates the sympathetic nervous system and as a result green tea extract is believed to work as a natural appetite suppressant.