Kalmar "Congo danko" na iya samun ma'anoni daban-daban dangane da mahallin, amma gabaɗaya, tana nufin wani nau'in ɗanɗano da ake samu daga nau'ikan bishiyoyi da ciyayi daban-daban waɗanda suka fito daga Afirka, musamman jamhuriyar Dimokaradiyyar Kongo (da a da. da aka fi sani da Zaire) da ƙasashe maƙwabta. danko ko guduro wanda yayi kama da kaddarorin da abun da ke ciki zuwa danko yana fita daga bishiyar Acacia senegal, wanda kuma aka sani da gum arabic. Ana amfani da irin wannan nau'in danko sosai a cikin masana'antun abinci, magunguna, da kayan kwalliya a matsayin stabilizer, emulsifier, thickener, and binder. wani yanki na mulkin mallaka wanda sarki Leopold na biyu na Belgium ya kafa a ƙarshen karni na 19. Hako roba da danko daga dazuzzuka masu zafi na Kongo ya haifar da cin zarafi da cin zarafi ga al'ummar yankin, wadanda aka tilasta musu yin aiki a matsayin leburori ko kuma suna fama da aikin tilastawa, yanke jiki, da tashin hankali.A cikin magunguna. , Kongo danko (wanda kuma ake kira "gamboge") yana nufin wani abu mai launin rawaya mai launin rawaya wanda aka samo daga itacen Garcinia hanburyi, wanda ya kasance a kudu maso gabashin Asiya. Wannan sinadari yana da sinadari mai tsafta, laxative, da vermifuge, kuma ana amfani da shi wajen maganin gargajiya don magance cututtuka daban-daban kamar maƙarƙashiya, tsutsotsin hanji, da cututtukan fata. Duk da haka, yana iya zama mai guba idan an sha shi da yawa.