During the xanthophyll cycle. which occurs upon illumination in thylakoid membranes of chloroplasts. violaxanthin is transformed via antheraxanthin into zeaxanthin. Not all of the violaxanthin. https://www.nacrack.com/amazing-price-1997-2000-BMW-528I-Front-Bumper-Reinforcement-Bar-Used-Original-Exterior-OEM-great-save/