CARBOHYDRATES 



33 



G-LUCOSE-I-PHOSPHATE 



URIDINE TRIPHOSPHATE 



FRUCTOSE 



0-UDP 

 UDP-D-&ALACTOSE 



SUCROSE 

 PHOSPHATE 



FRUCTOSE-6- 

 PHOSPHATE 



6-PHOSPHO- 

 GLUCONIC 

 ACID 



i 



CH2OH 

 HCOH 



Ift^ 



D-OLUCURONO- 

 d'-LACTONE 



STARCH 

 CELLULOSE 

 G-LUCOSIDES 

 UDP-MANNOSE-^ MANNANS 



CHjOH/ 



^=J^^i/°n: udp-d-g-lucuronic HoVlyo 



^XYLANS 



CHjOH / 3-K^TO-L- 



COOH 



I 

 HCOH 



W 



/&ULONOLACTONE "9/1 0, 



rt UDP-D-(yALAC- \?^^ 

 TURONIC ACID 



l-UDP 



'ARABANS 



L-G-AL ACTON 0- 

 d'-LACTONE 



ONEr^ 



D-&ALACTURONIC 



^nnu / ACID 

 COOH / 



HoV^'' ~ (r/oH 



Xh~^ ^H 



""l-g-alactonic 



ACID 



PECTIN 



)-UDP 

 UDP-L-ARABINOSE 



L-ARABINOSE 



FIGURE 2-9: URIDINE NUCLEOTIDE PATHWAYS 



