beta-D-glucosyl crocetin + UDP-alpha-D-glucose <=> bis(beta-D-glucosyl) crocetin + UDP
beta-d-glucosyl crocetin + udp-alpha-d-glucose <=> bis(beta-d-glucosyl) crocetin + udp
beta-D-glucosyl crocetin + UDP-alpha-D-glucose <=> bis(beta-D-glucosyl) crocetin + UDP
beta-d-glucosyl crocetin + udp-alpha-d-glucose <=> bis(beta-d-glucosyl) crocetin + udp