INTRODUCTION
Chocolate is a typically sweet, usually
brown, food preparation of Theobroma
cacao seeds, roasted and ground, often
flavored, as with vanilla
1
. It is made in the
form of a liquid, paste or in a block or used
as a flavoring ingredient in other sweet
foods. Chocolate is a range of products
derived from cocoa (cacao), mixed with fat
(i.e., cocoa butter) and finely powdered
sugar to produce a solid confectionery2
.
Chocolate most commonly comes in dark,
milk and white varieties, with cocoa solids
contributing to the brown coloration. There
are several types of chocolate according to
the proportion of cocoa used in a particular
formulation3
. Dark chocolate, also called
black chocolate, is produced by adding fat
and sugar to cocoa. It is chocolate with no
milk or much less than milk chocolate. Dark
chocolate can be eaten as is, or used in
cooking, for which thicker, baking bars,
usually with high cocoa percentages ranging
from 70% to 99% are sold4
. Dark is