liver extract substance

KOTAKE, Y.

• caffeine is broken down by liver extract 1908 ⟨from cattle⟩
  assertsneutralsource: coffee-pg28500

  Ueber den Abbau des Coffeins durch den Auszug aus der Rinderleber

  judge verdicts (2)

  • groundedness 1.00 pass — The claim is directly stated in the passage. KOTAKE, Y.'s 1908 publication title 'Ueber den Abbau des Coffeins durch den Auszug aus der Rinderleber' (On the breakdown of caffeine through cattle liver extract) explicitly confirms that caffeine is broken down by liver extract from cattle.
  • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint correctly attributes the claim to KOTAKE, Y. The stance 'asserts' is appropriate as the passage presents this as a factual research finding. The sentiment is neutral, matching the objective scientific tone of the source. The time is correctly set to 1908, matching the publication date. The context 'from cattle' accurately reflects 'Rinderleber' (cattle liver) in the German title. The quote appears verbatim in the passage and directly supports the claim about caffeine being broken down by cattle liver extract.