Carbohydrates

ID #2107

In the lecture paper, maltose consists of one beta glucose and one alpha glucose with alpha 1,4 glycosidic linkage. If there is a disaccharide which consists of two alpha glucose with alpha 1,4 glycosidic linkage, is it still a maltose?


Yes, it would still be maltose. What makes it maltose is that

1) it's a disaccharide

2) both monosaccharides in it are glucoses, and

3) the glycosidic linkage between the two is an alpha linkage.

 

Remember that for the purposes of naming 1,4 or 1,6 linkages, we simply don't care whether the molecule contributing the 4 or 6 carbon is in the alpha configuration or the beta configuration.

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