3 ms·
I'm not disagreeing with this article (I know nothing of this field) but this Wiki article and many others explicitly state that Urobilin[1] is the compound tha
by lazzlazzlazz 3y ago
I'm not disagreeing with this article (I know nothing of this field) but this Wiki article and many others explicitly state that Urobilin[1] is the compound that makes urine yellow.
The posted article states: "Urobilin has long been linked to urine's yellow hue, but the research team's discovery of the enzyme responsible answers a question that has eluded scientists for over a century."
So what exactly was discovered? It sounds like "what makes urine yellow" was not discovered, but instead "what enzyme makes Urobilin" (or something like that).
[1]: https://en.wikipedia.org/wiki/Urobilin https://en.wikipedia.org/wiki/Urobilin
- didgeoridoo 3y ago[Deleted] // TODO: Read comments fully before replying.
- ziddoap 3y agoParent comment included that exact sentence as a part of their question. I'm not sure why you think quoting the same thing again would provide an answer. To answer the parent comment: The enzyme discovered is what converts bilirubin into urobilinogen, which degrades into urobilin, so your guess was along the correct lines.
- paulgerhardt 3y agoBilR (Bilirubin Reductase - the enzyme in bacteria that breaks down Bilirubin). The pathway is basically: Hemoglobin => Heme => Biliverdin => Bilirubin => Urobilinogen => Urobilin The general pathway has been known for a while and basically got Hans Fischer the Nobel Prize for Chemistry in 1930. What was not known was the enzyme that converted Bilirubin to Urobilinogen. Previously we said it was just "bacteria."