Ukwezi tuna ukwiye kurya mukwezi?

Tuna yamenetse ni isoko ikunzwe kandi yoroshye ya poroteyine iboneka mu ipantaro ku isi. Nyamara, hamwe n’impungenge zigenda ziyongera ku rwego rwa mercure mu mafi, abantu benshi bibaza umubare wibikombe bya tuna yabitswe neza bashobora kurya buri kwezi.

FDA na EPA barasaba ko abantu bakuru bashobora kurya neza ama garama 12 (hafi abiri cyangwa atatu) y'amafi ya mercure nkeya buri cyumweru. Tuna yuzuye, cyane cyane tuna yoroheje, ifatwa nkuburyo bwa mercure nkeya. Ariko, ni ngombwa gutandukanya ubwoko bwa tuna iboneka. Tuna yoroheje ikozwe muri skipjack tuna, iri munsi ya mercure ugereranije na albacore tuna, ifite mercure nyinshi.

Kurya indyo yuzuye, birasabwa ko unywa ibirenze 6 bya albacore tuna buri cyumweru, bingana na 24 kumwezi. Ku rundi ruhande, urumuri rwa tuna rufite urumuri rwinshi cyane, hamwe na santimetero 12 buri cyumweru, ni hafi 48 ku kwezi.

Mugihe utegura buri kwezi kurya tuna ukoresha, tekereza gushyiramo izindi proteine zitandukanye kugirango umenye indyo yuzuye. Ibi birashobora kubamo ubundi bwoko bwamafi, inkoko, ibinyamisogwe, hamwe na poroteyine zishingiye ku bimera. Kandi, menya ibihano byose byokurya cyangwa ubuzima bwiza bushobora kugira ingaruka kumafi yawe.

Muncamake, mugihe tuna isukuye ni ibiryo bifite intungamubiri kandi zitandukanye, kugereranya ni urufunguzo. Kugirango uringanize, gabanya albacore tuna kuri 24 ounci buri kwezi na tuna yoroheje kugeza kuri 48 ounci buri kwezi. Ubu buryo, urashobora kwishimira ibyiza bya tuna yamenetse mugihe ugabanya ingaruka zishobora kubaho kubuzima bwa mercure.