Abstract:
:Brewers yeast contains factors that increase and decrease glucose tolerance. Hop components (lupulones) that adhere to yeast during the brewing process elicit a variety of biological effects including the induction of hepatic cytochrome P4503A. Colupulone was tested for its effects on glucose tolerance and cytochrome P450. Serum glucose levels 30 min after the injection of glucose were lowered by colupulone in nondiabetic Swiss-Webster mice, elevated in diabetic C57B1/KSJ-db/db mice, and unaffected in nondiabetic C57B1/KSJ+m/+m mice. Colupulone lowered hemoglobin glycation slightly in +m/+m mice but not in db/db mice. The cytochrome P450 system was highly induced by colupulone in both db/db and +m/+m mice. Chromium, which acts in concert with the factor in yeast that enhances glucose tolerance, had little or no effect on the plasma glucose level or the cytochrome P450 system in either +m/+m or db/db mice.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Mannering GJ,Shoeman JA,Shoeman DWdoi
10.1006/bbrc.1994.1614subject
Has Abstractpub_date
1994-05-16 00:00:00pages
1455-62issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(84)71614-7journal_volume
200pub_type
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