Carbohydrates

ID #1015

In one of the lecture slides, there is a picture of alpha galactose and fructose, hypothetically if these two were mixed and they have different ring structures even though they are both hexose sugars could you bind them? If so, how would you name this linkage?


Yep. Sucrose is a naturally-occurring disaccharide of glucose and fructose. Since it involves an alpha-glucose linked to a fructose at the number 5 carbon, it would be called an alpha-1,5 glycosidic linkage. High fructose corn syrup, a common sweetener, is also glucose and fructose. Actually, it started out as starch (all glucose), and is chemically treated to change some of the glucoses to fructose. Since this isn't "natural," I don't know what the rules would be for naming the linkages.

Print this record Print this record
Send to a friend Send to a friend
Show this as PDF file Show this as PDF file
Export as XML-File Export as XML-File