all-trans-zeaxanthin + 2 UDP-alpha-D-glucose = zeaxanthin bis(beta-D-glucoside) + 2 UDP + 2 H(+)
all-trans-zeaxanthin + 2 udp-alpha-d-glucose = zeaxanthin bis(beta-d-glucoside) + 2 udp + 2 h(+)
"zeaxanthin glucosyltransferase"
"zeaxanthin glucosyltransferase"