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Betelnut / Areca seed contains alkaloids such as arekaina ( arecaine ) and arekolina ( arecoline ) , more or less toxic and addictive , can stimulate the brain . Preparations simplicia betel nut in the pharmacy used to treat intestinal worms , especially to address the tapeworm . Meanwhile , some kind of nut seeds cause dizziness when chewed. Other substances contained in these fruits , among others arecaidine , arecolidine , guracine ( guacine ) , guvacoline and some other elements.
Traditionally , betel nut used in the herb to treat dysentery , bloody diarrhea and scabies . These seeds are also used as a producer of red dye and tanning materials .