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Butyric
Butylic
Fermentations -
This
fermentation
involving
pyruvate
reduction
is
seen
in
strict
anaerobes
such
as
clostridia
which
can
activate
molecular
hydrogen
by
the
use
of
ferredoxin.
The
initial
cleavage
of
glucose
yields
H2,
CO2
and
two
carbon
fragments.
Two
such
fragments
are
then
condensed
to
yield
acetoacetyl
CoA
which
is
decarboxylated
and
or,
reduced
to
acetone,
isopropanol,
butyric
acid
and
n-butanol
in
varying
proportions.
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