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1
1036
Enquire within upon everything
·
Robert Kemp Philp
285
673.
Infusion.
Infusion
is
one
of
the
most
frequent
operations
required
in
making
up
medicines,
its
object
being
to
extract
the
aromatic
and
volatile
principles
of
substances,
that
would
be
lost
by
decoction,
or
digestion;
and
to
extract
the
soluble
from
the
insoluble
parts
of
bodies.
Infusions
may
be
made
with
cold
water,
in
which
case
they
are
weaker,
but
more
pleasant.
The
general
method
employed
consists
in
slicing,
bruising,
or
rasping
the
ingredients
first,
then
placing
them
in
a
common
jug
(which
should
be
as
globular
as
possible),
and
pouring
boiling
water
over
them.
Cover
the
jug
with
a
cloth
folded
six
or
eight
times,
but
if
there
be
a
lid
to
the
jug
so
much
the
better.
When
the
infusion
has
stood
the
time
directed,
hold
a
piece
of
very
coarse
linen
over
the
spout,
and
pour
the
liquid
through
it
into
another
jug.
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