quillate + UDP-alpha-D-glucose <=> quillaic acid 28-beta-D-glucoside + UDP
quillate + udp-alpha-d-glucose <=> quillaic acid 28-beta-d-glucoside + udp
quillate + UDP-alpha-D-glucose <=> quillaic acid 28-beta-D-glucoside + UDP
quillate + udp-alpha-d-glucose <=> quillaic acid 28-beta-d-glucoside + udp