causal
Analysis v1
If we make food enzymes from animal parts like calf stomach that people have safely eaten for a long time, we don’t need to run extra safety tests because the starting material is already safe and the process doesn’t add anything dangerous.
Evidence from Studies
Supporting (1)
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Safety evaluation of the food enzyme rennet containing chymosin and pepsin A from calf abomasum
Editorial/Opinion
2022 JunThe study looked at an enzyme from calf stomachs used in cheese-making and found that, because it's been safely used for a long time and comes from a safe source, no extra toxicity tests were needed. This supports the claim.
Contradicting (0)
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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.