Wed, Aug-11-04, 19:02
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Mad Scientist
Posts: 4,402
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Plan: Healthy eating/lifestyle
Stats: 156/115/115
BF:
Progress: 100%
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Hi Mithridate:
I'm not sure if this directly answers your question, but Lyle McDonald's book "The Ketogenic Diet", states the numbers differently; 100 grams of glucose is required for the brain until ketosis is achieved, after which the requirements lower to 40 grams. Anything over this amount wouldn't be ketogenic.
Quote:
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As mentioned in the previous chapter, the brain is the only tissue which requires glucose in amounts of roughly 100 grams per day. If sufficient carbohydrate is consumed to provide this much glucose, the brain will have no need to begin using ketones. Therefore any diet which contains more than 100 grams of carbohydrate per day will not be ketogenic (2). After approximately three weeks, when the brain’s glucose requirements have dropped to only 40 grams of glucose per day, carbohydrates must be restricted even further.
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Given those numbers, over the long term, I would call a diet around 100 grams controlled carb and <40 grams, low carb. But given our feedback loops, we actually don't need any carbs since protein and fat can be converted to glucose.
But then add in the activity factor, and that's a different story since high intensity exercise requires glucose.
Wanda
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Hybrid Mode
