Saturday, April 4, 2009

Organic food chemistry at the Super Market(Polymers)

We found out certain types of polymers while at the Super Market.

Polymers:It is a large molecule composed of repeating structural units typically connected by covalent chemical bonds.

  1. Proteins(C44189H71252N12428O14007S321)
    It is a polymer that is present in many food substance such as in Cereal grains and nuts.



  2. Gluten
    It is a polymer and can be found in breakfast food products and food which contains carbohydrate such as Oats.










Saturday, March 28, 2009

Organic Food Chemistry at the Super Market(Esters)

Next we found out about different types of esters present in the Supermarket.

Esters: are chemical compounds derived formally from one containing an oxo group, X=O) and a hydrocarbon compound.








  1. Glycerol(C3H8O3)
    It is an ester which in the food industry an important moistening agent for baked goods.They can be found in organic food and packet food.







  2. Sacrose Ester Fatty Acid :
    Cussue
    It is an ester and can be found in Health Care products such as vitamins supplements.





  3. Natural esters.
    Natural esters can be found in food such as fruits like apple,pineapple.






  4. The ingredients for making perfumes come from immense number of sources.The basic ingredients are water, alcohol and fragranced oils. Natural perfume ingredients include resinoids, essential oils and absolute extracts of aromatic plants. For example : Coco Chanel perfume!


  5. Lutein is the active carotenoid in this potent, natural source antioxidant. It is naturally derived from marigold flowers and contains a normal blend of carotenoids including: Zeaxanthin and Cryptoxanthin.

Saturday, March 21, 2009

Organic Food chemistry at the Super Market..(Alcohol)

Next,we look into the products of alcohol..

Alcohol: In chemistry, an alcohol is any organic compound in which a hydroxyl group (-OH) is bound to a carbon atom.The general formula for an alcohol is CnH2n+1OH.


  1. Vinegar(CH3COOH)
    It is an alcohol and can be found in various food substances such as in Canned Baked Beans.Vinegar comes from the fermentation of ethanol and is use for flavorings in cooking and also use to preserve food.



  2. Methanol(CH3OH)
    It is an alcohol and is used a food additive in food substance such as anti-caking agents in baking food products such as flour.



  3. Ethanol(C2H5OH)
    It is an alcohol and cane be widely found in alcoholic beverages such as in Wine and grain wine.


Saturday, March 14, 2009

Organic Food Chemistry At The SuperMarket..(Acids)

We found different type of edible food containg different type of organic compounds.We had our chance to went to the supermarket and these are a few things which we found out that contains Alkane, Alkene, Carboxylic Acid and Alcohol.


Carboxylic Acid: Carboxylic acids are organic acid characterized by the presence of a carboxylic group, which has the formula usually written as -COOH.

Uses of carboxylic acid
-to preserve food
-for industrial solvent
-found in some food

E.g. Snacks
Prepare thru:
-Oxidation to alcohols
-combustion
-acid reactions
-reductions
-condensation

1. Citric Acid.(C6H8O7)
It is a carboxylic acid and a natural preservative used to add a sour taste to food. It can be found in various food such as Cereals and Sour Sweets.








  1. Salt Benzoic Acid(C6H5COOH)
    It is a carboxylic acid and it is used as a food preservative.It can be found in preserving food products such as Preserve Bean Curd in Vinegar sauce.







  2. Sorbic Acid.(C6H8O2)
    Its is a carboxylic acid and is used as a food preservative. It can be found in many dried food preserving products such as Preserve haw ball as the one you see below.








  3. Malic Acid.(HO2CCH2CHOHCO2H)
    It is a an organic compund and is an active ingredient in many sour or tart food.It can be found in various food substance like for example in gum and cough drops.








  4. Phospheric Acid.(H3PO4)
    It is a carboxylic acid and use as an ingredient to acidify in Soft Drinks such as Cola.If it is taken too much.It can be quite dangerous and corresive to the organs in out body.







  5. Pantothenic Acid
    It is a carboxylic acid but also known to be called Vitamin B5.It can be found highly in food such as whole-grain Cereal and Energy Drinks.







  6. Folic Acid.(C19H19N7O6)
    It is another organic compund whichis known as vitamin B9.Folic acid produce healthy red blood cells in our human body and prevent anemia from happening.Food like these can be easily found in Orange juice and Leafy Green Vegetables.






  7. Absorbic Acid(C6H8O6)
    Absorbic acid is a sugar acid and one form of it is Viatamin C.It can be found in citrus fruits and vegetables such as as Oranges.










9. Banner Protein










10. Pasta Frutta