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The Blade and Edge
The edge of the knife is of most importance. A dull or uncared for knife
blade can make a difference in the execution of quality cuts and even
effect the outcome in the favor of a dish. If a dull knife is used more
pressure is required to pass the knife through the product. This increases
the chance for an accident to occur and also causes a breaking of the cell
structure rather than a clean slice through. Take for example an onion,
with a sharp knife the knife itself does the work and makes a clean slice
with each slice left with a clean edge. On the other hand if a dull knife
is used, the extra downward force and dull edge will cause a breaking or
smashing of the cell structure at contact leaving a more stringy edge.
These edges will release more of the liquid in the onion in the browning
process and cause an unevenness of browning there by affecting the outcome
of the final product.The knife is ground and
polished by the manufacturer and is called the blade bevel. The edge bevel
has two dimensions. One is the degree of acuity: the other is its
conformation, or the shape the bevel takes in relation to the blade
itself.
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