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- 7-Methylxanthine (7-MX), also
known as heteroxanthine, is an
active metabolite of
caffeine (1,3,7-trimethylxanthine) and
theobromine (3,7-dimethylxanthine)...
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Varia Historia (12.14),
describes Alexander's hair
color as "ξανθὴν" (
xanthín),
which at the time,
could mean blond, brown,
tawny (light brown) or auburn...
- die
Constitution des Caffeïns,
Xanthins,
Hypoxanthins und
verwandter Basen" [On the
constitution of caffeine,
xanthin, hypoxanthin, and
related bases...
-
Reptiles often possess at
least two pigments.
Among the most
common are
xanthin (yellow) and
erythrin (red). An
amelanistic reptile therefore, may still...
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synthetische Aufbau der Harnsäure, des
Xanthins, Theobromins,
Theophyllins und Caffeïns aus der Cyanessigsäure" [The synthetic...
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occurrence of
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toxins in two
species of
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retired in 1951. He died in
Edinburgh on 1963. On the
Decomposition of
Xanthin and
Caffeine in the
Organism of Man (1912) (dissertation)
Recent Observations...