Thank you! The website you shared shows that both blueberries and pineapples have 12 net carbs per 100 grams. See what I mean? Yet, blueberries are good and pineapples are bad. I wonder why.Hi TSL and welcome to the forums. Personally I pay no attention to Glycaemic whatever as it seems to make zero difference to me. Others have different experiences.
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In simple terms, Glycemic load is a number assigned to one serving size of different food indicating how drastically it makes your blood sugar rise. At least that's what the experts say. The point you make about eating pineapple making your BG go up through the roof is probably common to most people (although I never tested the difference on myself). I am just curious to know why do they then have similar Glycemic Loads.I haven’t heard of Glycemic load before but I don’t follow the GI principles. I test my blood glucose before and 2 hours after eating so I know what I can eat and what’s bad for me (everyone reacts differently). I can eat a few blueberries and not get too much of a rise in BG but if I eat pineapple it goes through the roof!
It could be that most people's BG simply isn't usually as affected by blueberries as they are by pineapple?? Disclaimer - I've not tested this on myself at all. I have however found that not all carbs have the same effect - eg I can tolerate legumes pretty well, but what on paper is a much smaller amount of carb in pastry will have a huge BG impact.Thank you! The website you shared shows that both blueberries and pineapples have 12 net carbs per 100 grams. See what I mean? Yet, blueberries are good and pineapples are bad. I wonder why.
Blueberries (and blackberries and purple grapes) are high in anthocyanins (i.e. the blue colouring) which interferes with metabolism by inhibiting some enzymes in the gut.Thank you! The website you shared shows that both blueberries and pineapples have 12 net carbs per 100 grams. See what I mean? Yet, blueberries are good and pineapples are bad. I wonder why.
Portion size is actually taken into account by glycemic load. It is always the standard one serving size. Glycemic Index however only considers amount of sugar in 50 grams carbs. For example watermelon has a high glycemic index but low glycemic load because to get 50 grams of carbs, you'd have to eat a lot of watermelon! One serving size is considered ok.Where are you seeing that the glycemic loads are similar?
Different resources list differing answers depending on portion size and even variety of fruit.
I am referring to fresh pineapple. Which is still considered not friendly for diabetics.Are you talking fresh whole pineapple, or canned in syrup which is pure sugar? for Pineapple, the pulp has a lower sugar content than the core. also the pineapple in tins is generally riper than fresh fruit from the market, and so has a higher sucrose content (fruits as they ripen convert the fructose and glucose to sucrose, hence their sweetness grows as they ripen). It is well known that tropical fruits are more diebetic unfriendly compared to temperate fruits.
Ok, I get that. But they say Glycemic Load considers everything. So you can estimate the impact of glucose just by looking at the number. Still not sure why they have similar glycemic loads.Blueberries (and blackberries and purple grapes) are high in anthocyanins (i.e. the blue colouring) which interferes with metabolism by inhibiting some enzymes in the gut.
Looking at how GI is calculated it is based on 50g of total carbs. But something like fruit contains sugars in the basic form of glucose and fructose as well as the combined molecules of sucrose. We metabolise these different substances in different ways. The glucose goes to the blood, the sucose gets split into glucose (blood) and fructose and other saccharide compoiunds.Ok, I get that. But they say Glycemic Load considers everything. So you can estimate the impact of glucose just by looking at the number. Still not sure why they have similar glycemic loads.
Yes it is but my point is is very arbitrary what a “standard” serving size is. With something like an apple easy enough. One. But when it’s a number of pieces or a part of a whole not so clear and can vary a lot more.Portion size is actually taken into account by glycemic load. It is always the standard one serving size.
I personally give the gi a miss. I cannot eat most fresh fruits as the will spike me regardless of what the gi says. An apple is a rarity now - I can eat a little peel but that's it.Thank you! The website you shared shows that both blueberries and pineapples have 12 net carbs per 100 grams. See what I mean? Yet, blueberries are good and pineapples are bad. I wonder why.
This puzzles me. Apples are my go-to when my sugar drops too low and within minutes my blood sugar meter reading starts to go up.Now the fructose is not processed like the sugars, and goes straight to the liver without creating glucose. It used to be considered as inert and not contributing to our blood glucose levels. It does not at that stage enter the blood, but may do later when there is a demand for gluconeogenesis (creation of glucose from whats around at the time) so it remains stored in the liver, and is reckoned to be a significant factor in Non Alcoholic Fatty Liver Disease (NAFLD) So it is certainly not inert. but it does not contribute to the meter reading.
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