Explain dough formation, Biology

Assignment Help:

Explain Dough Formation  

Gluten is the protein found in wheat. A unique property of gluten proteins of wheat grain endosperm (and  to  a   lesser extent of rye and  barley  grains)  is  their ability  to   form a strongly cohesive and  viscoelastic  mass  or dough,  when  mixed and kneaded in presence of  water  at  ambient temperature. In addition to glutens (gliadin and glutenins), wheat flour contains starch granules, pentosans, polar and non polar lipids and soluble proteins, all of which contribute to the formation of dough  network and/or the final texture of bread.

Composition and large size of gliadins  and glutenins explain much of the behaviour of gluten.  Due to their low content of ionizable amino acids, the gluten proteins are poorly soluble in neutral aqueous solutions. Rich in glutamine (>33% by wt.) and in hydroxy amino acids, they are prone to hydrogen bonding  which accounts  largely  for  water  absorbing capacity and for the cohesion and adhesion properties of gluten. Latter  properties also  derive in part from the presence of many apolar  amino acids and  the  resulting hydrophobic interactions that  contribute  to protein  aggregation  and binding of  lipids  and  glycoproteins. Finally,  the  ability of forming numerous  -S-S-  cross  linkages accounts  for  the  ease  with  which  these  proteins  interlink tenaciously in dough.

 


Related Discussions:- Explain dough formation

State the preparation of patient for gtt, State the Preparation of Patient ...

State the Preparation of Patient for GTT 1. You should explain to the patient about the purpose and procedure of the test to be carried out and advise that: a) the patient s

Integumentary system - various glands, OTHE R GLANDS - (i) Mammary gl...

OTHE R GLANDS - (i) Mammary glands - Study of mammary gland is mastology. Modified sweat gland. 4-5 pairs in rabbit. 1 pair in human. In opposum 25 pairs (max.).

Principles of animal nutrition, Food Chain The land mass, water bod...

Food Chain The land mass, water bodies and atmosphere are the three endowments of nature on which the living beings have to depend for their nourishment and sustenance. The

Explain the parts of the microscope, Explain the Parts of the Microscope? ...

Explain the Parts of the Microscope? Microscope, as you may have noticed in Figure or for that matter even seen in a laboratory, is a metal body composed of a base and an arm t

Explain the urinary excretion of ascorbic acid, Explain the Urinary excreti...

Explain the Urinary excretion of Ascorbic Acid? The urinary excretion of ascorbic acid falls when the dietary intake is low. Since the tissues are not saturated, a greater part

Organ that belongs to more than one organ system, What is an organ that bel...

What is an organ that belongs to more than one organ system? One answer is the pancreas. It belongs to both the endocrine and digestive systems. Another one is bone marrow. It

What do you mean by ulcerative colitis, Q. What do you mean by Ulcerative C...

Q. What do you mean by Ulcerative Colitis? Let us understand clearly about ulcerative colitis by reading the following case. Varun, a 48-year-old male, had a very successful

Fossil history of horse, Evolution of Horse - Credit to Prof. C. Marsh...

Evolution of Horse - Credit to Prof. C. Marsh (1879) of Yale University for complete work.   S.No   Fo ssil/Genus   Period

Name the groups into which flowering plants are divided, What are the two m...

What are the two main groups into which flowering plants are divided? Angiosperm plants are separated into a) Monocotyledonous (monocots) and b) Dicotyledonous (dicots

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd