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The Human Body and Protein

Answered on August 19, 2014
Created August 23, 2012 at 9:01 PM

Does the human body react differently to different types of protein (whether from nuts, meats, eggs, beans, etc) when it comes to digestion, etc?

81181cab058dd652659e4bb2e6f25843

(528)

on October 02, 2012
at 10:24 PM

Alvaro: this is a site called 'paleohacks', if everyone was to do their own research this site wouldn't exist. check yourself.

6b365c14c646462210f3ef6b6fecace1

(1784)

on August 24, 2012
at 04:06 PM

plus, the SAD standards (promoted by ancel keys etc) of eating promotes vegetarianism which down grades the strength of acid produced in the gut and as well as the enzymes needed to break down meat all in a matter of 70 years or so? 1.8 million years of adaptations can go flying out the window

6b365c14c646462210f3ef6b6fecace1

(1784)

on August 24, 2012
at 03:44 PM

yes, but it's all relative right? We're evolved to break egg and milk proteins down in addition to the beef, but it just so happens beef can still be tougher to break down - i mean i spend more time masticating on a tiny chunk of beef compared to an egg or some yogurt.

Medium avatar

(3213)

on August 24, 2012
at 01:36 PM

And who says beef is tough to digest? we've been eating meat for at least 1.8 million years, our digestive system has adapted specifically to do that @Sunshine

Medium avatar

(3213)

on August 24, 2012
at 01:33 PM

What standard Am I using? Do your research @foreveryoung

6b365c14c646462210f3ef6b6fecace1

(1784)

on August 24, 2012
at 12:33 AM

it think it's digestibility - beef is pretty darn tough and takes more effort for the body to break down in the stomach. if you can't free up the amino acids in the stomach/ small intestines before the food passes into the large tubes, then you can't use the hunk of protein that's still left intact - that'll make one hefty poo episode.

1edb06ded9ccf098a4517ca4a7a34ebc

(14952)

on August 23, 2012
at 11:33 PM

What standard are you using for highest quality? It can't be bioavailability b/c from what I've seen, egg white, whey protein, and fish are all well above beef.

A2c38be4c54c91a15071f82f14cac0b3

(12682)

on August 23, 2012
at 09:11 PM

Some good info from this question: http://paleohacks.com/questions/122316/so-we-have-good-and-bad-fats-and-carbs-but-what-about-protein#axzz24PD4oxnG

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3 Answers

2
61a27a8b7ec2264b1821923b271eaf54

(3175)

on October 02, 2012
at 10:43 PM

At the end of the day, protein is just a catch-all term for Amino Acids. There are 22 standard amino acids that a human needs, we can make all of these internally except for 9 of them, called essential amino acids (Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan, Valine).

If you are lacking in any of these 9 essential amino acids, your health will suffer. If you go to www.nutritiondata.self.com there is an amino acid profile calculator. Your body doesn't care where it gets the amino acids, which is how vegans can survive. However, you'll see peas have an AA score of 84 while chicken breast is 136. Anything under 100 is lacking in AA.

1
Medium avatar

(3213)

on August 23, 2012
at 10:41 PM

Of course it does, it all comes down to bioavailability, how your body metabolizes and absorbs the different types of proteins. From what i know, protein from ruminants is of the highest quality

6b365c14c646462210f3ef6b6fecace1

(1784)

on August 24, 2012
at 12:33 AM

it think it's digestibility - beef is pretty darn tough and takes more effort for the body to break down in the stomach. if you can't free up the amino acids in the stomach/ small intestines before the food passes into the large tubes, then you can't use the hunk of protein that's still left intact - that'll make one hefty poo episode.

Medium avatar

(3213)

on August 24, 2012
at 01:36 PM

And who says beef is tough to digest? we've been eating meat for at least 1.8 million years, our digestive system has adapted specifically to do that @Sunshine

6b365c14c646462210f3ef6b6fecace1

(1784)

on August 24, 2012
at 03:44 PM

yes, but it's all relative right? We're evolved to break egg and milk proteins down in addition to the beef, but it just so happens beef can still be tougher to break down - i mean i spend more time masticating on a tiny chunk of beef compared to an egg or some yogurt.

1edb06ded9ccf098a4517ca4a7a34ebc

(14952)

on August 23, 2012
at 11:33 PM

What standard are you using for highest quality? It can't be bioavailability b/c from what I've seen, egg white, whey protein, and fish are all well above beef.

Medium avatar

(3213)

on August 24, 2012
at 01:33 PM

What standard Am I using? Do your research @foreveryoung

6b365c14c646462210f3ef6b6fecace1

(1784)

on August 24, 2012
at 04:06 PM

plus, the SAD standards (promoted by ancel keys etc) of eating promotes vegetarianism which down grades the strength of acid produced in the gut and as well as the enzymes needed to break down meat all in a matter of 70 years or so? 1.8 million years of adaptations can go flying out the window

81181cab058dd652659e4bb2e6f25843

(528)

on October 02, 2012
at 10:24 PM

Alvaro: this is a site called 'paleohacks', if everyone was to do their own research this site wouldn't exist. check yourself.

0
194d8e8140425057fe06202e1e5822a7

(3979)

on October 03, 2012
at 12:27 AM

Of course the body reacts differently to different types of protein. I know mine does. And everyone is unique. I don't think there are good proteins or bad proteins (ahem gluten ahem), just proteins your body prefers and proteins that give your body trouble.

For me, the best protein (in terms of digestibility and energy) is fish, by far. Then comes nuts and seeds, then legumes. I have a hard time digesting gluten, egg protein, dairy and meat. I'm trying to change this though.

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