1 / 14

STARCH

a wonderful polysaccharide. STARCH. Starch. It is a product of green plants as stored energy. Common carbohydrate in human diet. Pure starch powder is white, tasteless and odorless. Examples. Contained in large amounts in:. Potatoes. Rice. Wheat. Corn. Cassava. History.

ady
Télécharger la présentation

STARCH

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. a wonderful polysaccharide STARCH

  2. Starch It is a product of green plants as stored energy. Common carbohydrate in human diet. Pure starch powder is white, tasteless and odorless.

  3. Examples Contained in large amounts in: Potatoes Rice Wheat Corn Cassava

  4. History Starch form Middle English word “Sterchen” means “to stiffen” Amylum from Latin “Amylon” which means “not ground a mill” Identified in Europe dating back 30,000 years back.

  5. ApplicationS In foods: Bread, pancakes, cereals, noodles, pasta, and porridge. In non-food: Papers, adhesives, body powder, and biofuel.

  6. Starch Industry Production of Starch Slurry *Starch slurry is Refined starch and water

  7. Starch Industry Cleaning Shelled and cleaned kernels are placed in steep tanks and soaked in cold H2O with SO2 for 24-48 hours. * SO2 is to prevent fermentation and separate starch and protein.

  8. Starch Industry Wet Grinding The kernels are ground. Water is added, creating a macerated slurry.

  9. Starch Industry Centrifugation Gluten and starch is separated by centrifugation. Gluten is dried and sold as gluten feed. *Gluten is a type of protein like found in cereals and grains.

  10. Starch Industry Dewatering Starch undergo number of processes of washing and dewatering.

  11. Starch Industry Production of Starch

  12. Starch Industry Starch Modification Starch undergo treatment with chemicals or enzymes to create variety of modified starches.

  13. Starch Industry Drying Modified starch and unmodified starches undergo drying to produce wide variety of starches.

  14. Starch Samples Some modified starches are: Acetate Phosphate

More Related