Amasitherasi libizo elibuthelelweko le-genus wentjalo zemithi ethuthumbako, kanye nemitjhana wemndeni ye-rue Rutaceae. Iintjalo zesitherasi zikhiqiza isthelo esiqakathekileko ezifana namalamula, mandarin, amaswiri kanye nama-lime nama-grapefruit. Iinthelo zesitherasi ivele e-South East Asia esifundeni esivele e-Sourthen Asia ukuya e-Northeast India. Iintjalo zesitherasi sele zitjalwe eemfundenezi iminyakanyaka begodu ngokukhamba kwesikhathi iintjalwezi sele zisabalele e-Mediterranean kanye nemfundeni ezi-subtropical ephasini loke.
Inthelo zesithersi zikhiqizwa emithini ehlala ihlaza. Imithi yesithersi ikhimba amathuthumbo etwasahlobo bese iinthelo zivele etwasahlobo kanye nehlobo sivuthwe sivunwe lada ngesiruthwana nekuthomeni kwebusika.
Iinthelo zesitherasi zihlakaniswe ngenkhumba ezidege. Isthelo sivamise ukukelwa ngaphambi kukobana sidliwe, begodu iskhumba saso asidliwa. Zoke iinthelo zesitherasi zimumethe i-citric kanye ne-ascobic aci, eyaziwa ngcono ngokobana yi-Vitamin C. Iinthelo zesithersi zibonwa ngokuba nomnambitheko obukhali begodu eminye imihlobo efana neswiri kanye ne-lime ziyababa nawuzinambithako, lokha ezinye zisudu. Iinthelwezi zinephunga elibukhali, ngebanga lokobana zine-Lomnoid emumethwe sikhumba sesithelwesi.
Translated by Busisiwe Skhosana
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