Amakhulupirira kuti malo obadwira chipatso ichi ndi penapake pakati pa India ndi Burma, kapena ku China. Panopa wakula m'mayiko monga Sri Lanka, South India, South China ndi mayiko ena angapo Southeast Asia. Chipatsocho ndi chozungulira kapena chozungulira komanso chowoneka bwino komanso chimakhala ndi njere imodzi yakuda. Mtengo wautali ndi wamtundu wobiriwira, umakula kutalika kwa 9-12 metres. Longan ndi gwero lambiri la mavitamini ndi mchere osiyanasiyana. Lili ndi mavitamini B1, B2, B3, komanso vitamini C, mchere: iron, magnesium, silicon. Gwero labwino kwambiri la mapuloteni ndi fiber. 100 g ya longan imapatsa thupi 1,3 g ya mapuloteni, 83 g madzi, 15 g yamafuta, 1 g ya fiber ndi pafupifupi 60 zopatsa mphamvu. Taganizirani zina mwazabwino za chipatso cha longan:
- Amadziwika kuti amachiritsa mavuto a m'mimba. Longan imathandiza ndi ululu wa m'mimba, imalimbitsa chitetezo cha mthupi, chomwe chimathandiza thupi kulimbana ndi matenda osiyanasiyana.
- Zili ndi phindu pakugwira ntchito kwa kayendedwe ka magazi, komanso mtima.
- Njira yabwino yothetsera kuchepa kwa magazi m'thupi, chifukwa imathandiza kuti thupi litenge chitsulo.
- Masamba a mtengo wautali ali ndi quercetin, yomwe ili ndi antiviral ndi antioxidant katundu. Ntchito pa matenda a mitundu yosiyanasiyana ya khansa, chifuwa, pa matenda a mtima ndi matenda a shuga.
- Longan imathandizira kugwira ntchito kwa mitsempha, imachepetsa dongosolo lamanjenje.
- Mbeu ya chipatsocho imakhala ndi mafuta, tannins ndi saponins, omwe amagwira ntchito ngati hemostatic agent.
- Longan alinso ndi phenolic acid, yomwe imakhala ngati antioxidant wamphamvu ndipo imakhala ndi antifungal, antiviral, and antibacterial properties.