វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Xanthin
ENGLISH MEANING
noun
1.
A
crystalline
nitrogenous
body
closely
related
to
both
uric
acid
and
hypoxanthin
,
present
in
muscle
tissue
, and
occasionally
found
in the
urine
and in
some
urinary
calculi
. It is
also
present
in
guano
. So
called
from the
yellow
color
of
certain
of
its
salts
(
nitrates
).
2.
A
yellow
insoluble
coloring
matter
extracted
from
yellow
flowers
;
specifically
, the
coloring
matter
of
madder
.
3.
One of the
gaseous
or
volatile
decomposition
products
of the
xanthates
, and
probably
identical
with
carbon
disulphide
.
1.
A
white
microcrystalline
nitrogenous
compound
,
C5H4O2N4
,
present
in
muscle
tissue
, in the
liver
,
spleen
,
pancreas
, and
other
organs
, and
also
in
urine
(in
small
quantities
) and
some
urinary
calculi
, and in the
juices
of
certain
plants
; -- so
called
because
it
leaves
a
yellow
residue
when
evaporated
to
dryness
with
nitric
acid
.
Xanthine
is
closely
related
to
uric
acid
.