What the general rule for numbering carbons in polysacharides?

What's the general rule for this? Like in glucose they count from the right most carbon before after the [O], but in fructose they count from the top most carbon on the leftWhat the general rule for numbering carbons in polysacharides?
Dear khoa n.,





For additional information concerning this matter, please see also:





http://en.wikipedia.org/wiki/IUPAC_nomen鈥?/a>


http://en.wikipedia.org/wiki/IUPAC_nomen鈥?/a>


http://en.wikipedia.org/wiki/List_of_org鈥?/a>


http://en.wikipedia.org/wiki/Dictionary_鈥?/a>


http://en.wikipedia.org/wiki/Polysacchar鈥?/a>


http://www.answers.com/topic/polysaccari鈥?/a>





';May the Lord Jesus Christ continue to richly bless you in all of your


endeavours.';





Sincerely,


willard_thomas_jr@yahoo.com


(a.k.a. calvaliear)