Abstract

Starch is one of the most abundant naturally occurring macromolecules and has received enormous research attention owing to its wide availability, low cost, biodegradability, biocompatibility, renewability, and excellent film-forming ability. It possesses some unique physical and chemical properties; however, due to strong hydrophilicity and other limitations, its industrial application is restricted in its native form. To cope with these challenges, there is a need to modify the starch. In this chapter, recent advances in physical modification such as heat moisture, high pressure, deep freezing and thawing, radiation, and ultrasonic treatment; chemical modification such as ozonation, succinylation, cross-linking, cationization, esterification, and etherification, among others as well as enzymatic modification. The physical, chemical, and structural changes enacted by both the physical and chemical, as well as enzymatic modification, were as well discussed. The modification of starch using chemicals resulted in low glycemic features, which in turn help in the overall glycemic load of foods.

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Abbreviations

ANN:

Annealing

CHPTAC:

Cationic monomers 3-chloro-2-hydroxypropyltrimethyl ammonium chloride

DS:

Degree of substitution

ECH:

Epichlorohydrin

EO:

Ethylene oxide

EPTAC:

3-epoxypropyltrimethylammonium chloride

GRAS:

Generally Regarded as Safe

GTAC:

Glycidyltrimethylammonium chloride

H2O2:

Hydrogen peroxide

H2O2:

Inorganic peroxides

HES:

Hydroxyethyl starch

HMT:

Heat moisture treatment

HP:

High pressure

HPS:

Hydroxypropyl starch

NaCIO:

Sodium hypochlorite

NaClO:

Sodium hypochlorite

NaIO4:

Periodate

NaIO4:

Sodium periodate

OSA:

Octenyl succinyl anhydride

RE:

Reaction efficiency

RS:

Resistant starch

SDS:

Slowly digestible starch

STMP:

Sodium trimetaphosphate

STPP:

Sodium tripolyphosphate

SV:

Setback viscosity

XRD:

X-ray diffraction

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Acknowledgments

Authors acknowledge the Ministry of Education, Federal Republic of Nigeria.

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© 2023 The Author(s), under exclusive license to Springer Nature Switzerland AG

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Olawoye, B. et al. (2023). Modification of Starch. In: Sharanagat, V.S., Saxena, D.C., Kumar, K., Kumar, Y. (eds) Starch: Advances in Modifications, Technologies and Applications. Springer, Cham. https://doi.org/10.1007/978-3-031-35843-2_2

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