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Amylose–Amylopectin Ratio

Comprehensive Understanding of Structure, Physicochemical Attributes, and Applications of Starch

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Handbook of Biopolymers

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Abstract

Starch is a relevant biopolymer since it is easily modifiable and can be used as an alternative material to several petrochemical-based nonbiodegradable materials. The physicochemical characteristics and subsequent uses of starch are dependent on their botanical origin, which has a big impact on the granule structure and amylose to amylopectin ratio, which ranges from 15:85 to 35:65, with the exception of waxy starch and high amylose maize starch. The amylose to amylopectin ratio has a momentous effect on the biochemical, physicochemical, mechanical, and thermal properties of native and modified starch. The chapter provides a comprehensive understanding of the effect of amylose to amylopectin characteristics of starch on their physical and biochemical properties of starch, including the digestibility, dispersibility, rheological, and reinforcing properties.

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Acknowledgments

We thank the University Grants Commission, Government of India, for the financial support of the UGC Major Research Project (No. F. No. 42-300/2013(SR)). Dr. Bejoy expresses gratitude to the Department of Science and Technology for supporting the college’s Fund for Improvement of S&T Infrastructure (FIST) program.

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Authors and Affiliations

  1. Department of Chemistry, Newman College, Thodupuzha, India

    Sharon Varghese, M. H. Rubiya, Krishnakumar Melethil & Bejoy Thomas

  2. Division of Biochemistry, ICAR – Indian Agricultural Research Institute (IARI), New Delhi, India

    Monika Awana, Debarati Mondal, Archana Singh & Veda Krishnan

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  1. Sharon Varghese
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  2. Monika Awana
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  3. Debarati Mondal
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  4. M. H. Rubiya
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  5. Krishnakumar Melethil
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  6. Archana Singh
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  7. Veda Krishnan
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  8. Bejoy Thomas
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Corresponding authors

Correspondence to Veda Krishnan or Bejoy Thomas .

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Editors and Affiliations

  1. School of Chemical Science, Mahatma Gandhi University, Kottayam, India

    Sabu Thomas

  2. Mahatma Gandhi University, Kottayam, India

    Ajitha AR

  3. Department of Chemistry, Newman College, Thodupuzha, India

    Cintil Jose Chirayil

  4. Department of Chemistry, Newman College, Idukki, India

    Bejoy Thomas

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Varghese, S. et al. (2022). Amylose–Amylopectin Ratio. In: Thomas, S., AR, A., Jose Chirayil, C., Thomas, B. (eds) Handbook of Biopolymers . Springer, Singapore. https://doi.org/10.1007/978-981-16-6603-2_48-1

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