Nkhaka ndi za banja lomwelo la zomera monga zukini, sikwashi ndi chivwende - banja la gourd. Mofanana ndi chivwende, nkhaka ndi madzi 95%, zomwe zikutanthauza kuti kudya tsiku lotentha lachilimwe kumathandiza kuti thupi lanu likhale lopanda madzi. Ndi chiyani chinanso chomwe chili chofunikira pamasamba awa?
Nkhaka imakhala ndi flavonol yotsutsa-kutupa yotchedwa fisetin, yomwe imagwira ntchito yofunika kwambiri pa thanzi la ubongo. Kuphatikiza pa kuwongolera kukumbukira komanso kuteteza ma cell a mitsempha ku kusintha kokhudzana ndi ukalamba, fisetin idapezeka kuti imalepheretsa kuwonongeka kwa kukumbukira kwapang'onopang'ono kwa mbewa ndi matenda a Alzheimer's.
Nkhaka zimathandiza kuchepetsa kutupa kwa thupi. Kafukufuku wa zinyama akuwonetsa kuti kutulutsa nkhaka kumachepetsa kutupa kosafunikira, makamaka poletsa ntchito ya michere yotupa (kuphatikiza cyclooxygenase 2).
Kagawo kakang'ono ka nkhaka m'kamwa mwako kangathe kuchotsa mabakiteriya oyambitsa fungo. Malinga ndi mfundo za Ayurveda, kudya nkhaka kumalimbikitsa kutulutsa kutentha kwambiri m'mimba, chomwe ndi chimodzi mwazomwe zimayambitsa mpweya woipa.
Nkhaka imakhala ndi vitamini B zovuta, kuphatikizapo mavitamini B1, B5 ndi B7. Mavitamini a B amadziwika kuti amathandizira kuchepetsa nkhawa ndikuletsa zina mwazotsatira za kupsinjika.
Nkhaka ndizochepa kwambiri mu zopatsa mphamvu (1 chikho cha nkhaka chili ndi ma calories 16 okha). Ulusi wosungunuka mu nkhaka umasandulika kukhala gel-ngati misa m'matumbo, motero kumachepetsa kagayidwe kachakudya. Izi zimakuthandizani kuti musamve njala kwa nthawi yayitali, chifukwa chakudya chokhala ndi fiber chimathandizira kuchepetsa thupi.