I-glucose

IsiNcishuko siwushukela olula onesicabayo samangqamuzana C6H12O6. Isincishuko siyisincithinye esigcwele kakhulu, isigaba esingaphansi sezifukuthisi. Isincishuko senziwa kakhulu izitshalo nobulembu obuningi ngesikhathi somdibakhanyo (photosynthesis) kusuka emanzini nakumcalahle ontuhlambili, kusetshenziswa amandla avela elangeni, lapho isetshenziselwa ukwenza i-cellulose ezindongeni zamangqamuzana, isifukuthisi esiningi kunazo zonke emhlabeni. umthombo wamandla kuzo zonke izinto eziphilayo. Isincishuko somkhwentuko sigcinwa njengegcezi (polymer), ezitshalweni ikakhulukazi njengesitashi ne-amylopectin, nasezilwaneni njenge-glycogen. Isincishuko sijikeleza egazini lezilwane njengoshukela wegazi. Uhlobo olwenzeka ngokwemvelo lwesincishuko yisincishuko-d, kuyilapho isincishuko -l sikhiqizwa ngokwenziwa ngamanani amancane uma kuqhathaniswa futhi ibaluleke kancane. Isincishuko siyisincithinye eesqukethe amachwe ayisithupha omcalahle neqembu le-aldehyde, ngakho-ke iyi-aldohexose. Ichembe lesincishuko lingaba khona nge-open-chain (acyclic) kanye nefomu le-ring (cyclic). Isincishuko senzeka ngokwemvelo futhi sitholakala ezithelweni nakwezinye izingxenye zezitshalo zikhululekile. Ezilwaneni, isincishuko sikhishwa ekuwohlokeni kwe-glycogen kunqubo eyaziwa njenge-glycogenolysis.

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