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Strategies for starch customization: Agricultural modification.

Ke Guo1, Wenxin Liang2, Shujun Wang3

  • 1Lab of Food Soft Matter Structure and Advanced Manufacturing, College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing 210023, China; Institute of Food Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, DK-1871 Frederiksberg C, Denmark.

Carbohydrate Polymers
|September 22, 2023
PubMed
Summary
This summary is machine-generated.

Agricultural modification, influenced by environmental factors like water and heat, offers a cost-effective method to alter starch properties. This approach provides a sustainable alternative for producing functional, clean-label starches.

Keywords:
Agricultural modificationNitrogen fertilizerStarchTemperature stressWater stress

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Analysis and Specification of Starch Granule Size Distributions
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Area of Science:

  • Agricultural Science
  • Food Science
  • Biochemistry

Background:

  • Raw starch requires modification for industrial use, with a growing demand for sustainable, 'green' alternatives.
  • Environmental conditions significantly impact plant growth and starch characteristics.

Purpose of the Study:

  • To review how agricultural factors (water, heat, nitrogen, salinity, shading, CO2) influence starch biosynthesis and properties.
  • To introduce 'agricultural modification' as a novel starch modification category.

Main Methods:

  • Literature review summarizing studies on environmental stress effects on starch.
  • Analysis of how various agricultural conditions impact starch physicochemical properties.

Main Results:

  • Water stress reduces peak viscosity and gelatinization enthalpy; heat stress increases them.
  • High nitrogen impacts starch content and viscosity; salinity affects starch/amylose content (genotype-dependent).
  • Shading and CO2 stress increase granule size, with differential effects on amylose and amylopectin.

Conclusions:

  • Agricultural modification is a scalable, low-cost method for producing functional starches.
  • This method aligns with the market demand for clean-label ingredients.
  • Environmental manipulation offers a fifth, sustainable approach to starch modification.