Tumeze neza - tuzwi nkumwe mubambere l - hydroxyproline ikora nabatanga ibicuruzwa mubushinwa. Hamwe n'uburambe bwinshi, turakwemera cyane kubicuruzwa byinshi byujuje ubuziranenge l - hydroxyproline ku giciro cyo gupiganwa kuva ku ruganda rwacu. Ibicuruzwa byabigenewe biremewe.