Why do grains have so many more carbs than other plant foods, like nuts or lettuce?

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Googling isn’t helping, because the results are all from health and diet pages. I’m trying to find a science answer.

[Request] Please try and actually explain this to a 5-10yo. I have a kid in that age range who’s the one actually asking the question. I can do my best to bring an “I graduated high school” answer down to his level, but I might struggle to bring an “I’ve completed some college and have a basic background in biochemistry” answer to his level. Thanks!

In: 62

12 Answers

Anonymous 0 Comments

Leafs turn sunlight into sugar and it’s sent to other parts of the plant, as a result they don’t have many nutrients themselves.

Seeds and tubers/roots like potatoes are designed to store energy so that new plants can grow from them.

A big part of carbohydrates is also digestibility and processing.

If you take corn and squeeze the oil out – only carbs and a little protein is left. This processing makes it higher carb.

If you take rice and remove the outside and polish it to make it white. You’re now concentrating the starch and removing fiber and other inert material.

If you take wheat and remove the germ – it’s further processed.

Our body naturally cannot digest cellulose, and as a result with foods like steel cut oatmeal – we are not able to absorb too many carbs from it. If you have oat flour or instant oats which are ground into smaller pieces – we can now absorb more carbs from it. The same goes for juices – eating an apple is much healthier than the juice of an apple because we won’t absorb its contents as easily.

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Googling isn’t helping, because the results are all from health and diet pages. I’m trying to find a science answer.

[Request] Please try and actually explain this to a 5-10yo. I have a kid in that age range who’s the one actually asking the question. I can do my best to bring an “I graduated high school” answer down to his level, but I might struggle to bring an “I’ve completed some college and have a basic background in biochemistry” answer to his level. Thanks!

In: 62

12 Answers

Anonymous 0 Comments

Leafs turn sunlight into sugar and it’s sent to other parts of the plant, as a result they don’t have many nutrients themselves.

Seeds and tubers/roots like potatoes are designed to store energy so that new plants can grow from them.

A big part of carbohydrates is also digestibility and processing.

If you take corn and squeeze the oil out – only carbs and a little protein is left. This processing makes it higher carb.

If you take rice and remove the outside and polish it to make it white. You’re now concentrating the starch and removing fiber and other inert material.

If you take wheat and remove the germ – it’s further processed.

Our body naturally cannot digest cellulose, and as a result with foods like steel cut oatmeal – we are not able to absorb too many carbs from it. If you have oat flour or instant oats which are ground into smaller pieces – we can now absorb more carbs from it. The same goes for juices – eating an apple is much healthier than the juice of an apple because we won’t absorb its contents as easily.

You are viewing 1 out of 12 answers, click here to view all answers.