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Chapter. Physical and Chemical Modifications in Starch Structure and Reactivity. Haq Nawaz, Rashem Waheed, Mubashir Nawaz and Dure Shahwar. Abstract. Starch is a naturally occurring glucose homo-polysaccharide of nutritional, pharmaceutical, and industrial importance.
24 Νοε 2018 · Starches from different sources show variable chemical composition as well as the structure of their components that are involved in thermal properties.
Starches can be chemically dyed by reacting a procion dye with 2,4,6‑trichloro‐triazine or 2,4‑dichloro‐triazine , followed by reaction with alkaline starch [170,171]. A chloro group on the triazine ring of the dye derivative is replaced by a starch hydroxyl group to form a stable ether linkage between the dye and the starch.
1 Ιαν 2024 · Starch plays a major role in determining the texture, stability, appearance, and nutritional value of various food products. A comprehensive understanding of the chemical compositions, structures, and functional properties of starch is crucial for leveraging this essential ingredient in the development of high-quality and nutritious foods.
But what is starch? Produced in plants by the photosynthesis of carbon dioxide, starch granules are made out of glu-cose polymers and serve as energy stores. Towards the end of the grow-ing season, starch accumulates in twigs of trees, close to the buds. It is also found in fruits, seeds, rhizomes and tubers.
14 Οκτ 2015 · This chapter provides up-to-date information about starch and its structure–property relationships. The complexes of starch with other components, starch hydrolysis, starch modification methods, industrial production of starches and their uses are also discussed.
The properties of starch, which vary considerably between samples from different plants and between varieties within species, depend on the molecular composition and the structure of the components. These properties are of considerable importance for the diverse applications of starch.
