steviolbioside + UDP-alpha-D-glucose <=> rebaudioside B + UDP + H(+)
steviolbioside + udp-alpha-d-glucose <=> rebaudioside b + udp + h(+)
steviolbioside + UDP-alpha-D-glucose <=> rebaudioside B + UDP + H(+)
steviolbioside + udp-alpha-d-glucose <=> rebaudioside b + udp + h(+)