Citrus Aurantium, also known as Bitter Orange.
Citrus Aurantium is a rich source of vitamins and minerals, and both the flower and the peel contain flavonoids, alkaloids, and carotenoids which are potentially health-promoting compounds that give the plant its vibrant colour.
Synephrine, tyramine, octopamine, hordenine and n-methyltyramine are also present in the fruits and these constituents, especially the active ingredient synephrine, act as a mild stimulant that boosts the metabolic rate, expends calories, and increases energy.
This stimulation of the fat metabolism does not have negative cardiovascular or central nervous system effects, since only the beta-3 receptors are stimulated, without affecting other alpha and beta receptors which are related to heart rate and blood pressure.
The substances tyramine and octopamine play an important role in controlling and suppressing the appetite.