Foods
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Weighing fruit and vegetables


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Hi! Just a quick question for those of you that weigh fruit and veg.

Whenever I weigh a medium banana without the skin it seems to come to around 80g. If the calories in a banana are calculated based on this then a medium banana would be 95 x 0.8 = 76 calories which seems far too low. This leads me to think that it should be weighed including the inedible parts. I have the same problem with weighing apples with and without the core.

So the question is... should I weigh my bananas in their skins and calculate the calories from this, or weigh them naked?!

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Why would you weigh and count the inedible parts? That makes no sense.

Original Post by moonikins:

Why would you weigh and count the inedible parts? That makes no sense.

I know, but when I weigh the fruit without the skin it puts a medium banana at 76 calories! I thought medium bananas were more like 110.

Wikipedia (I know, I know, the epitome of reliable) puts the /100g energy value of the edible parts of raw bananas as 89kcal, citing the USDA nutrient database.  So, if you want a precise figure, weigh out your sans-peel banana, multiply it by 0.89, and arrive at its energy content.

Maybe your "medium" banana is really a "small" banana?

I would weigh them naked, but if you're weighing apples and such...of course you can't do that. This is the website I use for fruits such as peaches, apples etc -> http://www.nal.usda.gov/fnic/foodcomp/search/

Very handy! Just type in the fruit and then it tells you how much % to take off and then that'll give you your grams minus the core/skin.

Original Post by rosered93:

Wikipedia (I know, I know, the epitome of reliable) puts the /100g energy value of the edible parts of raw bananas as 89kcal, citing the USDA nutrient database.  So, if you want a precise figure, weigh out your sans-peel banana, multiply it by 0.89, and arrive at its energy content.

Maybe your "medium" banana is really a "small" banana?

89? Really? I've always thought it was 95. That's how I do it at the moment but, as I said, it always seems a little low for a medium sized fruit. Maybe you're right! Perhaps I just seem to keep choosing tiddy little fruit.

I weigh bananas peeled (obviously) and apples I cut into quarters and cut the core out and weigh the 4 pieces.  Sometimes I get really small bananas as snacks for work and they only come to 60g.

Peeled it is then! Thanks everyone.  Smile

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