ABSTRAT OF CHOCOLATE
Have you ever wondered why is chocolate is melting some times they even
Get liquidified , why chocolate is not stable at room temperature , but in
hilly regions Or at Refrigerator it is stable. Why it is melting when it is at
hot sun But , it taste sweet we need to keep them in refrigerator from
avoiding it and analysis of different types of chocolate samples.
In this project we will analyze these Questions and about the
sweet known as Chocolate. There are some reasons why these are occuring
in this items. there are other sweets like Chocolate-coated marshmallow
treats, also known as chocolate teacakes , Chocolate truffle , lindt home of
Chcolates - confectionery company founded in 1845 and known for its
chocolate truffles and chocolate bars, among other sweets and Candies are
some types Chocolates.
Chocolate-coated
marshmallow treats Chocolate truffle
Chocolate Milk chocolate
INTRODUTION
Chocolate have become one of the most popular flavors in the world of
today . they form the basics ingredient in very many pastries and cake .
Chocolates can also be used as hot and cold beverages. Each
Manufacture combines secret formula of the different varieties of the
Coca sweets to develop exclusive chocolates and try to make the exotic
Teat. Gifts of chocolates molded to different have become traditional on
certain festivals and occasions.
Chocolates are made from the seeds of COCOA Trees. Spanish mythology
considers these trees were grown in the garden of the PARADISE and
believed that the chocolates drink was divine. The Cocoa trees are a tropical
plant , sometimes living and producing for more from more than 200 years.
Chocolates are made from the seeds of these trees . There are many
varieties cultivated today and this farming is highly Profitable.
Chocolates are a highly commercialized and money making programmes.
In the modern factories tons of bitter coca beans are turned into one
Of the World’s favorite’s confectionary. Today chocolates are made
Available to us much guarded secret formula involving varying seeds,
Different ingredients, combinations of fermentation – roasting timings
Temperature etc. flavors such as mint, coffee , orange , strawberry etc.
Are some of the add once. Also today the chocolate can contain
Ingredients as peanut , different types of walnuts , dry fruits , caramels ,
Crisped rice etc.
HISTORY
The story of the chocolate span is more than 2000 years. Chocolates were
First drunk rather than being eaten. Through started in the rainforest of
Central and South America were cocoa was first grown ; the tales of chocolate
Cultivation now circles the world.
The earliest usage of chocolates dates back before OLMEC. The oldest
Known cultivation and usage of cocoa was in Puerto Escondido Honduras
As the History Data between 1100 BC and 1400 BC.
CHOCOLATE AND HEALTH
The health effect of chocolates refer to the possible beneficial or
Detrimental , physiological effects of eating chocolates mainly for
Pleasure. For example, cocoa and chocolate may support
Cardiovascular health. Other effects under preliminary research
Includes reduce risk of cancer coughing and heart disease.
One interpretation on the potential health effect of dietary chocolates
Are may be lower blood pressure improved vascular function and
Energetic metabolism , and reduced platelets and aggregation and
Adhesion.
Unconstructed consumption of large quantity of any energy – rich food,
Such as chocolates, without a corresponding increase in activity,
Increases the risk obesity. Raw chocolates is high in cocoa butter, a fat
Removed during chocolate refining, then added back during manufacturing.
Manufacturing may add other fats, sugar and powder milk as well.
GOOD EFFECTS OF CHOCOLATE
Chocolate may be mild stimulant to human cocoa has antioxidant activity.
Antioxidants help to free your body of free radicals which cause damage to
the cell. Small but regular amounts of dark chocolates are associated with
lower risk of heart attack. Dark chocolates contain THEOBROMINE, which
has been shown to harden tooth enamel. Cocoa percent of at least 74%
significantly improves the blood flow which was tested on smokers. Some
studies has also observed a modest reduction in the blood pressure and
flow mediated dilation after consuming dark chocolates daily. Eating dark
chocolates may also prevent arteriosclerosis (harding of the arteritis).
Thus the best type of chocolates that is benefit for you is dark chocolates.
BAD EFFECTS OF CHOCOLATE
While chocolates have many good effects on consuming, it also has many
Negative side effects. It contains too many bad ingredients including, milk
Fats and saturated fats caffeine, oxalates and stearic acid and while sugar
May give energy , too much if it can cause tooth decay and gum disease if
Eating regular and proper teeth brushing.
Sugar plays a harmful role in tooth decay by providing bacteria in your
Mouth with energy. Bacteria begin to multiply faster, and plague begins to
Grow in size and thickness on your teeth, making it different to get rid of
Just a tooth brush. Dark chocolates contain a higher amount of caffeine
Than milk chocolates and this can affect your health. Too much caffeine
Lead to hypertension anxiety dehydration and inability to concentrate.
INVESTIGATION
AIM:
“ To find out the presence of proteins , fats , sugars , calcium , iron ,
magnesium and nickel in different chocolate samples “
MATERIAL REQUIRED:
Sodium hydroxide (NaOH)
Copper sulphate (CuSO4)
Moliseli’s reagent (C10 H7 OH)
Fehling’s solution A & B
Sulphuric acid (H2 SO4)
Tolien’s reagent
Ammonium chloride (NH4 CL)
Ammonium hydroxide (NH4 OH)
Sodium phosphate (Na3 PO4)
Samples of chocolates (Dark chocolate , Chocolate cream , Milky bar ,
Milk chocolate bar , Cadburys bar)
Test for different samples
Test of proteins
