Fri, Feb-19-16, 20:16
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Senior Member
Posts: 15,075
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Plan: mostly milkfat
Stats: 190/152.4/154
BF:
Progress: 104%
Location: Ontario
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I just looked at the nutrition info for one. One thing I like is you can pretty much read exactly where the carbs are coming from--the "net carbs" that aren't discounted come from 3 grams of sugar on the variety I looked at, it looks like the other two from the total of 5 came from tapioca starch. This and 16 grams of carb from fiber, 5 from glycerin for gross carbs of 26. Personally, I wouldn't count fiber, but glycerin might be a little different. It's a slow carb, but I wouldn't call it a non-digestible carb.
Quote:
Stimulation of insulin secretion in man by oral glycerol administration.
Zanoboni A, Schwarz D, Zanoboni-Muciaccia W.
Abstract
The effects of an orally administered glycerol load (1 g/Kg body weight) on blood glucose, plasma FFA, and plasma insulin levels have been determined in eight normal fasting or glucose loaded (1 g/Kg body weight) volunteers. Blood glucose levels were not affected by glycerol loading while glicemia followed the same pattern of a glucose tolerance test in the group treated with glucose plus glycerol. Plasma FFA were significantly lowered only 90 min after glycerol loading while they had markedly and persistently decreased by glycerol plus glucose per os. Finally, though glicemia did not change, insulinemia was markedly increased by glycereol, 90 min after loading; moreover, plasma IRI was significantly higher in the group treated with glycerol plus glucose than in the group treated with glucose alone. These data suggest that the release of insulin may be stimulated by a very small increment of blood glucose, which derives from glycerol.
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http://link.springer.com/article/10.1007%2FBF01269904
Quote:
Summary
The metabolism of glycerol was studied by intravenous and oral glycerol tolerance test (single dose of 5 g orally and 2.4 g intravenously) in 15 healthy and 17 diabetic subjects.- The intestinal absorption of glycerol was rapid, the maximum serum level of glycerol occurring 15 minutes after the intake. In diabetic subjects the increment of serum glycerol was significantly smaller than in control cases. However, three patients with hyperlipemia and diabetes formed a striking exception in having abnormally high peak glycerol levels. The plasma FFA level was not altered by oral glycerol. Blood glucose remained unchanged in the controls, but rose on an average 13 mg/100 ml in insulin-requiring diabetics. The intravenous glycerol disappearance curves were analysed by an electronic computer. With a few exceptions the result was compatible with a one-compartment kinetic model. The fractional disappearance rate of glycerol from this pool was significantly smaller in diabetics (0.041 min−1) than in control subjects (0.059 min−1). However, the total disappearance rate was twice as high in the diabetic as in the control group (mean values 3.85 and 1.73 μmolesper minute per kilogram, respectively).
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Dr. Bernstein uses the rule that a gram of glucose will raise his blood glucose by about 5 mg/dl. If 5 grams of oral glycerol raised these diabetic's blood glucose by 13 mg/dl, that's 2.6 mg/dl. Diabetics probably turn glycerol into glucose more efficiently than controls--but probably so would somebody who was fasting or on a ketogenic diet.
It sounds to me like in a dose as small as 5 grams, absorption is so rapid that it's probably also completely absorbed, I'd count 5 grams of glycerol as 5 grams of carbohydrate.
Not that I'm all that anti-bar, I'm just sort of a nit-picker when it comes to what counts as carbohydrate.  |
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