Areca nut contains many nutrients and beneficial substances needed by human body. The main components of areca nut are 3 1. 1% phenol, 1.8% polysaccharide, 1.4% fat, 1.8% crude fiber, 9.9% moisture and 3.0%.

Betel nut has the effects of "killing insects and breaking accumulation, reducing qi and guiding stagnation, benefiting water and eliminating dampness". Betel nut also contains more than 20 kinds of trace elements, of which 1 1 is an essential trace element for human body. Areca seed contains 0.3%-0.6% of total alkaloids, mainly arecoline;

It also contains a small amount of arecoline, norarecoline, isodemethylarecoline, arecoline and homoarecoline, all of which coexist with tannic acid. There are also tannins, fats, mannitol and so on.