Explain about the gelation, Biology

Explain about the Gelation?

Gelation refers to the process where denatured molecules aggregate to form an ordered protein network. Proteins can form a well-ordered gel matrix by balancing protein-protein and protein-solvent interactions in food products. These gel matrices can hold other food ingredients in producing food products, like gelatin, yoghurt, comminuted meat products, tofu and bread doughs. Gelation is an important functional property of several proteins that plays a major role in preparation of many foods, including various dairy products, coagulated egg whites, gelatin gels, various heated, comminuted meat or fish products, soy bean protein gels, vegetable proteins texturized by extrusion or spinning and bread doughs. Protein gelation is utilized not only for the formation of viscoelastic gels but also for improved water and fat absorption, thickening, particle binding (adhesion) and emulsion or foam stabilizing effect. While studying about gelation, it is also important to differentiate it from other related phenomena in which the degree of dispersion of protein solution is decreased. For e.g.

  • Association: refers to changes occurring at subunit or molecular level.
  • Polymerization or aggregation: involves formation of large complexes.
  • Precipitation: includes all aggregation reactions with total loss of solubility.
  • Flocculation: random aggregation reaction in the absence of denaturation; often occurs because of suppression of electrostatic repulsion between the chains.
  • Coagulation: random aggregation with denaturation and aggregation reactions where protein-protein interactions predominate over protein- solvent interactions and forms a coarse coagulum.
Posted Date: 7/2/2013 6:57:58 AM | Location : United States







Related Discussions:- Explain about the gelation, Assignment Help, Ask Question on Explain about the gelation, Get Answer, Expert's Help, Explain about the gelation Discussions

Write discussion on Explain about the gelation
Your posts are moderated
Related Questions
Sedge-Meadow Stage - Hydrarch Favoured by an increasing amount of light, as the former occupants disappear, they gradually change the reed swamp into a sedge meadow. And now s

Explain the difference between numerical chromosome abnormalities and single gene disorders. Describe methods of diagnosing chromosome abnormalities prenatally and after birth. How

What is Lactation? High levels of estrogens and progesterone during pregnancy stimulate the breasts to develop prior to lactation, or milk production. At the same time, levels

Explain the Principle of Development The final guiding principle is that assessment involves the measure of change, or development, across multiple levels of analysis. Developm

Ask queson #Minimum 100 words accepted#sources of fuel which do not depend on fossil fuel

Define some Precautions for Measurement of pH? 1. Never touch the membrane of the glass electrode with anything else except soft tissue paper since it is fragile and is easily

Determine the principles of Behavioural neuropsychology Behavioural neuropsychology approaches are based on the principles of learning theory and behavioural modification. Beh

Q. What is the life cycle type of bryophytes? As in all plants the life cycle of bryophytes is diplobiontic (alternation of generations) and in bryophytes the lasting form is t

Tertiary Butylhydroquinone (TBHQ) TBHQ is moderately soluble in oil and slightly soluble in water. In many cases, TBHQ is more effective than any other antioxidant in providing

Q. What is the evolutionary advantage of the occurrence of larval stage and sperm cells in the life cycle of sponges? The sexual reproduction in sponges in addition to contribu