Journal
FOOD HYDROCOLLOIDS
Volume 113, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodhyd.2020.106543
Keywords
Water phase treatments; Lipid phase treatments; Air phase treatment; Starch; Structure; Properties
Categories
Funding
- Natural Science Foundation of Jiangsu Province - China [BK20200617]
- Fundamental Research Funds for the Central Universities - China [JUSRP12002]
- National First-Class Discipline Program of Food Science and Technology - China [JUFSTR20180203]
- Key Projects of the Logistics Support Department of CMC [BK117C007]
- Ten Thousand Talent Program Youth Top-notch Talent Project - China
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Starch is a crucial component in many foods and is a significant source of calories. Traditional thermal treatments such as steaming, cooking, and frying affect the molecular structure of starch, leading to changes in its functional properties. These treatments induce gelatinization and retrogradation, altering the texture and digestibility of starchy foods.
Starch is an important functional component in many foods and a major source of calories in the human diet. Steaming, cooking, extrusion, deep frying, stir-frying and baking, as the six traditional thermal treatments commonly used in starchy food processing, induce changes in the molecular architecture of starch granules, which alters their functional properties, such as their ability to thicken, gel, or stabilize foods. However, knowledge about how these traditional thermal treatments affect the structure and properties of starch during cooking is diffuse. In this paper, the mechanism of heat and mass transfer of traditional thermal treatments is reviewed, and their effects on the structure and functional properties of starch are discussed. Water phase (steaming, cooking, and extrusion), lipid phase (frying, stir-frying) and air phase (baking) thermal treatments are considered. The main structural changes induced by these treatments are gelatinization and retrogradation, which alter the textural properties of starchy foods, as well as their digestibility. This review provides a single resource that may be beneficial for those trying to control and improve the processing conditions of starchy foods. Finally, future developments and challenges in the thermal processing of starchy foods are highlighted.
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