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dreaming-in-colour OP t1_iw8g19v wrote

SOURCE: I bought chicken and baked it in the oven. I recorded weights using a kitchen scale at every step of the process, including weighing and saving grease from the pan, and weighing bones after eating. All percentages are [portion] ÷ [starting weight]

TOOLS: Microsoft Excel

Water in package - there is an absorbent pad (diaper?) in the bottom of the packing, which was 7% of the weight that was advertised.

Trimmed fat and Recovered fat - Removed and discarded some fat prior to cooking, left some in pan. I weighed the mass of the trimmed fat, and after cooking, the fat/grease in the pan was recovered into a mason jar and for future cooking and weighed. The total weight of trimmed and recovered fat was 12%.

Evaporated water - The difference of the raw weight + grease and cooked weight + grease. This ended up being 23% of the total weight.

Bones and inedible content - I ate the meat and weighed the bones and inedible content after. "Inedible content" includes tendon. This is 14% of the total weight.

Edible meat and skin - cooked weight (without grease) minus the bones. The weight of skin wasn't separated from the meat, but its was cooked well and crispy, so it didn't weigh much. Edible content was 45% of the total weight.

NOTES:

This experiment was done in 2 trials (different meals) from the same single package. The weights of evaporated water, meat, and bones varied by 10%-15% between the trials. This depends on the size of the quarters and how the bird is split.

The evaporated content will vary based on how you cook chicken. I used an oven, so there was plenty of evaporation. If you used a crock pot for soup/stew, you wouldn't lose much to evaporation, and it would become juices in the soup/stew.

Evaporation will also vary based on how long you cook the chicken, temperature, size of bird. In theory, you could evaporate all the water have very little mass of meat remaining. My result after cooking was a delicious piece of chicken, not too dry, so I will say that I cooked it "enough" and 20%-25% evaporated weight seems appropriate for nicely cooked chicken.

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ben_db t1_iw8kfg7 wrote

> which was 7% of the weight that was advertised

That's way more than I expected

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_mynd t1_iw8tq4f wrote

Sounds about right. Noticed this one of my first trips to SAMs Club. Got a huge package of boneless skinless breasts, came home to separate into freezer bags, and used a kitchen scale to split up evenly. Think there was a good pound, iirc, of water in the package (diaper).

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LunDeus t1_iwamu9q wrote

Yet another reason costco is superior. No diaper.

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Blueskys643 t1_iwaoln9 wrote

Costco uses diapers in their cut meat likes steaks and roasts. The chicken is prepackaged. Also its still the same amount of water in the package and one of those diapers dry weighs next to nothing.

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Atlas-Scrubbed t1_iw9w74u wrote

Package weight is NOT supposed to be part purchase weight. If your grocery is doing that, report them for fraud.

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EntertainMeMthrfckr t1_iwa0wwz wrote

The diaper isn't part of the weight. The meat is weighed, then packaged, then liquid is absorbed by the diaper. The liquid in the diaper is what they're referring to.

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IrocDewclaw t1_iwa5e1m wrote

Agreed. At store I managed, chicken was weighed before packaging and the price reflected only the product wieght not the packaging.

If anything, the pad's weight equals the loss weight of the meat.

If they are packaging the chicken then setting the price by weight of the whole unit, they are committing fraud.

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dml997 t1_iw95x5y wrote

Great analysis u/dreaming-in-colour

since you spell it "colour" I guess you're not american? (like me too)

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APIPAMinusOneHundred t1_iwakq6z wrote

I regularly bake chicken thighs so that the kids and I have something that's both quick and relatively healthy. I'm annoyed to no end by how much of the weight is obviously water injected into the meat to plump it up and make it weigh more.

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phryan t1_iwan5q7 wrote

Make broth or stock from anything inedible.

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StringTheory31 t1_iwjzt5t wrote

So all of the individual weights added up to the advertised total weight, indicating the seller labels these according to what they weigh after they are packaged instead of weighing the meat by itself before packaging? I'd always assumed it was the other way around, based on how cooked meat purchased from the grocery store deli is weighed!

Thank you for data that is not only beautiful, but useful!

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Nmaka t1_iw9n0tb wrote

i know when i worked at a grocery store, we didnt zero out the package weight, so you should include that too in the weight you pay for

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marfaxa t1_iw9st8f wrote

Every package I've seen has a tared weight on the label. My state has a Department of Agriculture & Consumer Services. I'd alert them if I knew the store wasn't taring the container weight.

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Nmaka t1_iwagth7 wrote

shruggie it was a while ago and im not american. idk if im remembering right or of the store still does ot that way

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DropoutBrewing t1_iwacgm8 wrote

Tare weight can be automatically programmed into a store's labeling system.

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HarryMcDowell t1_iw9bw88 wrote

>Water in package - there is an absorbent pad (diaper?) in the bottom ofthe packing, which was 7% of the weight that was advertised.

This sounds like a false, misleading, or deceptive trade practice. Any of which is a violation of the FTC Act and the consumer protection laws of every State and Territory in the United States.

You should report this to each of the following: a local consumer advocacy attorney, your jurisdicition's Attorney General's Office, and the FTC.

I am a lawyer, but I am not your lawyer. This post doesn't create an attorney-client relationship, and nothing I've written here should be relied upon as legal advice. Each of the organizations I've linked will be able to tell you if there is, in fact, a case here.

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centizen24 t1_iw9exf6 wrote

But the pad weighs that much because it absorbed liquid that came out of the chicken. It's not some grand conspiracy.

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pug_subterfuge t1_iw9fjb5 wrote

How is it misleading? They packaged the chicken at the listed weight and some of the moisture in the chicken seeped into the packaging.

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showponyoxidation t1_iw9k5pv wrote

Yeah, imagine buying chicken and not expecting moisture. It's not Turkey.

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Intelligent_Moose_48 t1_iw9n7gz wrote

Turkey is only dry because people waaaaay overcook it and don’t use meat thermometers. Don’t go over 165F internal and it’ll be nice and juicy.

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ul2006kevinb t1_iwa8ier wrote

The fact that a lot of the country is desert doesn't help either

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Half-a-Fork t1_iw95e9z wrote

>2 trials from the same single package

Not a large enough sample and it would break the assumption of independence of observations were we to run any tests against this data

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dreaming-in-colour OP t1_iw96cq1 wrote

If you can find any better analysis than this on the internet, please provide a link. I did this study because I couldn't find answers to my questions.

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