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1. Starch composition
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Starch is a homopolymer of D-glucose.
The D-glucosyl units (chair conformation) are predominantly linked by α (1,4) bonds (95 – 96%) and, to a lesser extent, by α 1,6 bonds (4 – 5%). Starch is made up of two polymers with different primary structures: amylose, a linear molecule, and amylopectin, a branched molecule.
Starch comes in the form of granules ranging from 1 to 100 µm in size and shape, depending on botanical origin (figure 1 a and table 1...
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Starch composition
Hydrothermal transformation of starches
References
Legislation
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Regulations
Under current Directive 95/2/EC, modified starches are considered food additives and are authorized on the QUANTUM SATIS principle in all foodstuffs, except those specified in Article 2 § 3 of the Directive (which prohibit all additives).
Furthermore, all modified starches (with the exception of hydroxypropyl starches) are authorized for...
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