Ubushakashatsi bwakozwe na Dr. Samira Samarakoon wo mu Kigo cy’Ubutabire bw’ibinyabuzima, Ubumenyi bw’ibinyabuzima n’ikoranabuhanga muri Kaminuza ya Colombo akaba n’inzobere mu by’imirire izwi cyane Dr. DBT Wijeratne bwagaragaje ko kunywa icyayi kibisi hamwe na Centella asiatica bifite akamaro kenshi ku buzima. Gotu kola yongera ubushobozi bwo kurwanya antioxidant, kurwanya virusi ndetse no kongera ubudahangarwa bw’umubiri bw’icyayi kibisi.
Gotu kola ifatwa nk'icyatsi kiramba kandi ni ingenzi mu buvuzi gakondo bwo muri Aziya, mu gihe icyayi kibisi ari kimwe mu binyobwa bikunzwe cyane ku isi ku buzima. Inyungu z'icyayi kibisi ku buzima zizwi cyane kandi zikoreshwa cyane na benshi kubera ubushobozi bwacyo bwo kurwanya indwara ziterwa na antioxidant, kugabanya umubyibuho ukabije, gukumira kanseri, kugabanya umuvuduko w'amaraso, n'ibindi. Mu buryo nk'ubwo, inyungu z'ubuzima za kola zizwi cyane mu buvuzi bwa kera bwo mu Buhinde, mu Buyapani, mu Bushinwa, muri Indoneziya, muri Afurika y'Epfo, muri Siri Lanka no mu Majyepfo ya Pasifika. Ibipimo bya laboratwari bigezweho byemeza ko kola ifite ubushobozi bwo kurwanya indwara ziterwa na antioxidant, ni nziza ku mwijima, irinda uruhu, kandi ikongera ubushobozi bwo gutekereza no kwibuka. Dr. Samarakoon yavuze ko iyo umuntu anyoye uruvange rw'icyayi kibisi na cola, ashobora kubona inyungu zose ku buzima bw'ibyo byombi.
Yavuze ko Coca-Cola idakwiye kuba irimo ibirenze 20 ku ijana by'uruvange bitewe nuko idakunze gukoreshwa nk'ikinyobwa.
Dr. Vieratne yavuze ko ubushakashatsi bwakozwe mbere bwemeje ko kurya gotu kola bigira ingaruka nziza ku mibereho myiza y'umwijima, cyane cyane mu bwoko bukunze kugaragara bwa kanseri y'umwijima, kanseri y'umwijima, umwijima urimo ibinure n'indwara ya cirrhose. Ubushakashatsi buherutse kandi bwerekana ko cola ishobora gufasha kugabanya umuvuduko w'amaraso no kugabanya ibyago byo kurwara indwara z'umutima, harimo gucika intege kw'imitsi, indwara z'umutima n'umutima. Ubushakashatsi ku buvuzi bw'imiti bwagaragaje ko kola ishobora kugenga imikorere y'imitsi yo hagati no kunoza imikorere y'ubwonko.
Dr. Wijeratne agaragaza ko ibyiza by'icyayi kibisi ku buzima bizwi cyane ku isi yose. Hari ubushakashatsi bwa siyansi ku byiza by'icyayi kibisi ku buzima kurusha gotu kola. Icyayi kibisi gikungahaye kuri catechins, polyphenols, cyane cyane epigallocatechin gallate (EGCG). EGCG ni antioxydant ikomeye ishobora kwica uturemangingo twa kanseri itagize ingaruka ku turemangingo dusanzwe. Iki kintu kandi gifite akamaro mu kugabanya cholesterol iri hasi mu bucucike, kikabuza amaraso kuzura, kandi kikagabanya kwibumbira kwa platelets. Byongeye kandi, icyayi kibisi cyabonetse ko ari isoko nziza y'uturemangingo karemano dukoreshwa neza mu kongera imiterere ya antioxydants, nk'uko Dr. Wijeratne abivuga.
Nk’uko abivuga, umubyibuho ukabije ni yo mpamvu nyamukuru itera indwara nyinshi, harimo indwara z’umutima, umuvuduko ukabije w’amaraso, diyabete idaterwa na insuline, imikorere mibi y’ibihaha, osteoarthritis n’ubwoko bumwe na bumwe bwa kanseri. Inyama za catechin, cyane cyane EGCG, zirwanya umubyibuho ukabije kandi zirwanya diyabete. Icyayi kibisi nacyo kifatwa nk’icyatsi karemano gishobora kongera ingufu zikoreshwa no gutwika ibinure kugira ngo bigabanye ibiro, nk’uko Dr. Wijeratne yabitangaje, yongeraho ko guhuza ibi byatsi byombi bishobora gutanga inyungu nyinshi ku buzima.