descriptive
Analysis v1
Strong Support
If you treat pig blood with carbon monoxide, it stays looking fresh and red longer in the fridge than regular pig blood—like how some meats are kept looking bright red longer in stores.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Color evaluation of carbon monoxide treated porcine blood
Cross-Sectional Study
Animal
2004 DecScientists added carbon monoxide to pig blood and kept it in the fridge for four days. The treated blood stayed bright red, while the untreated blood turned dull and faded. So yes, carbon monoxide helps the blood look better for longer.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.