An Unflattened Identity and Change Knowledge Graph

uric acid unspecified sense

concept · 4 mentions

substance produced from caffein metabolism

Other senses of “uric acid”

chemical chemical_compound substance

Defining properties

Perspectives

Claims grouped by the voice that makes them.

Fauvel

  • coffee diminishes excretion of uric acid ⟨healthy patient on vegetable diet⟩
    coffee increase the excretion of purins, diminishing the excretion of uric acid
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. According to the Fauvel reference, the passage explicitly states that 'coffee increase the excretion of purins, diminishing the excretion of uric acid' in healthy patients on a vegetable diet, which matches the claim's subject, predicate, and object exactly.
    • qualifier_fidelity 0.85 pass — The claim is largely faithful to the passage. The viewpoint correctly attributes the statement to Fauvel, stance is appropriately 'asserts', sentiment is neutral, time qualifiers are correctly null, and context appropriately specifies 'healthy patient on vegetable diet' as stated in the passage. The quote is verbatim and supports the claim. Minor deduction (0.15): The quote should include 'and coffee' before 'increase' to fully represent the passage's scope, as the statement applies to both chocolate and coffee together, though the claim's subject of coffee alone is still supported by the quoted phrase.
  • coffee apparently hinders precipitation of uric acid ⟨in the organism, healthy patient on vegetable diet⟩
    questionsneutralsource: coffee-pg28500
    apparently hindering the precipitation of uric acid in the organism
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The exact phrase 'apparently hindering the precipitation of uric acid in the organism' appears verbatim in the second paragraph, attributed to Fauvel's research with a healthy patient on a vegetable diet.
    • qualifier_fidelity 0.85 pass — The claim is largely faithful to the passage qualifiers. However, the 'stance' qualifier is problematic: the claim marks this as 'questions', but the passage presents Fauvel's findings as reported fact, not as disputed or questioned. The passage states 'According to Fauvel, ...apparently hindering...' which attributes the finding to Fauvel as the source (correctly reflected in 'viewpoint'), but does not frame it as questioned. The word 'apparently' in the quote reflects epistemic caution, not a questioning stance toward the finding itself. The stance should be 'neutral' or 'reports' rather than 'questions'. All other qualifiers are faithful: viewpoint correctly identifies Fauvel, sentiment is neutral, time is appropriately null, context properly specifies the organism and dietary conditions, and the quote is verbatim.
  • chocolate and coffee affect excretion of uric acid 1906, 1908, 1909
    Action du chocolat et du cafe sur l'excretion urique
    judge verdicts (4)
    • groundedness 1.00 pass — The claim is directly supported by the passage. The bibliographic entry for Fauvel lists two publications examining the action/influence of chocolate and coffee on uric acid excretion, with the 1908 publication title matching the quoted claim exactly.
    • qualifier_fidelity 0.50 fail — Multiple qualifier issues: (1) TIME - the claim specifies 'when': '1908' but Fauvel published on this topic in multiple years (1908, 1906, 1909); the passage does not restrict the claim to 1908 alone. The 'valid_from' and 'valid_to' fields suggest a single-year scope that is not faithful to the evidence. (2) QUOTE - the quoted text 'Action du chocolat et du cafe sur l'excretion urique' is from the 1908 publication, but the claim should acknowledge Fauvel's broader work on this topic across multiple years (1906, 1908, 1909), or the time qualifier should be null or span all three years rather than pinning to 1908 alone. The viewpoint (Fauvel), stance (asserts), sentiment (neutral), and context are faithful.
    • groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote 'Action du chocolat et du cafe sur l'excretion urique' (Action of chocolate and coffee on uric excretion) appears as a Fauvel publication title from 1908, and related publications on the influence of chocolate and coffee on uric acid appear in 1906 and 1909, matching the claimed timeframe and authorship.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. Viewpoint correctly identifies Fauvel as the source. Stance 'asserts' is appropriate for the framing. Sentiment 'neutral' matches the objective scientific tone. Time qualifiers (1906, 1908, 1909) correspond to the actual publication years of Fauvel's works cited. Context is appropriately empty as the passage does not restrict the claim to a particular sense or role. Quote 'Action du chocolat et du cafe sur l'excretion urique' appears verbatim in the passage and directly supports the claim about chocolate and coffee affecting uric acid excretion.

Besser

  • coffee increases excretion of uric acid 1909 ⟨in normal and gout-afflicted individuals⟩
    harnsaeurevermehrende Wirkung des Kaffees
    judge verdicts (2)
    • groundedness 0.70 pass — The claim is substantially supported by the passage. Besser's 1909 publication title explicitly mentions 'Die harnsaeurevermehrende Wirkung des Kaffees' (the uric acid increasing effect of coffee), and the subtitle confirms it addresses effects 'beim Normalen und Gichtkranken' (in normal and gout-afflicted individuals), matching the claim's context exactly. Minor rewording is involved since the German title uses 'harnsaeurevermehrende' (uric acid increasing) rather than explicitly stating 'excretion of uric acid,' but the meaning is clearly conveyed.
    • qualifier_fidelity 0.90 pass — The claim's qualifiers are nearly all faithful to the passage. Viewpoint correctly identifies Besser as the source. Stance 'asserts' is appropriate. Sentiment 'neutral' matches the scientific framing. Time '1909' matches the publication date. Context correctly reflects that Besser's work examined effects "beim Normalen und Gichtkranken" (in normal and gout-afflicted individuals). The quote 'harnsaeurevermehrende Wirkung des Kaffees' appears verbatim in the Besser citation and accurately supports the predicate about increased excretion. Minor deduction: the claim's predicate states 'increases excretion of uric acid,' but Besser's actual title indicates 'harnsaeurevermehrende Wirkung' (uric acid-increasing effect), which is about increased uric acid in urine rather than strictly about excretion processes—though this is a subtle semantic distinction and the quote adequately supports the claim's meaning.

William H. Ukers (author)

  • coffee increases the excretion of uric acid
    increases the excretion of uric acid
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'It reacts on the kidneys as a diuretic, and increases the excretion of uric acid.' The exact phrase 'increases the excretion of uric acid' appears verbatim, making this fully supported without any rewording or outside knowledge required.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage itself makes this assertion without attribution to a named source). The stance is 'asserts' which matches the declarative statement in the passage. The sentiment is neutral, appropriate for a factual pharmacological claim. Time qualifiers are null, which is correct as the passage provides no temporal scope. Context is empty, which is appropriate as the passage discusses coffee generally without restricting to a specific sense or role for this particular claim. The quote 'increases the excretion of uric acid' appears verbatim in the passage and directly supports the claim.

Change over time

1906, 1908, 1909
  • affect excretion of chocolate and coffee
1909
  • increases excretion of coffee