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Effects of nitrogen and sulfur fertilizer treatment on the structure and physicochemical properties of resistant starch in buckwheat

Licheng Gao (UGent) , Filip Van Bockstaele (UGent) , Geert Haesaert (UGent) , Andre Skirtach (UGent) and Mia Eeckhout (UGent)
(2025) FOOD CHEMISTRY. 477.
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Abstract
This study investigated the combined application of nitrogen and sulfur fertilizers on the structural characteristics and physicochemical properties of buckwheat resistant starch. The results showed that combined fertilization did not change the crystalline diffraction pattern of the resistant starch samples (exhibiting a B-type crystalline structure), but significantly (p < 0.05) increased the relative crystallinity (35.07-44.36 %). In addition, combined fertilization enhanced resistant starch content (28.36-35.22 %), apparent amylose content (20.50-35.06 %), particle size, pasting temperature (50.30-50.66 degrees C) and gelatinization enthalpy (2.77-4.65 J g(-1)). Conversely, higher fertilization levels were associated with lower light transmittance, water solubility, swelling power and viscosity. Pearson's correlation analysis revealed that buckwheat resistant starch and apparent amylose content were significantly (p < 0.01) positively correlated with particle size and gelatinization temperatures, while negatively correlated with viscosity. This study provides a theoretical basis for optimizing the application of nitrogen and sulfur fertilizers to improve the properties of buckwheat resistant starch.
Keywords
Buckwheat resistant starch, Nitrogen fertilizer, Sulfur fertilizer, Structural properties, Physicochemical characteristics, IN-VITRO, NUTRITIONAL PROPERTIES, RHEOLOGICAL PROPERTIES, PASTING PROPERTIES, RICE, AMYLOSE, DIGESTIBILITY, PRODUCTS, SIZE, FOOD

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MLA
Gao, Licheng, et al. “Effects of Nitrogen and Sulfur Fertilizer Treatment on the Structure and Physicochemical Properties of Resistant Starch in Buckwheat.” FOOD CHEMISTRY, vol. 477, 2025, doi:10.1016/j.foodchem.2025.143620.
APA
Gao, L., Van Bockstaele, F., Haesaert, G., Skirtach, A., & Eeckhout, M. (2025). Effects of nitrogen and sulfur fertilizer treatment on the structure and physicochemical properties of resistant starch in buckwheat. FOOD CHEMISTRY, 477. https://doi.org/10.1016/j.foodchem.2025.143620
Chicago author-date
Gao, Licheng, Filip Van Bockstaele, Geert Haesaert, Andre Skirtach, and Mia Eeckhout. 2025. “Effects of Nitrogen and Sulfur Fertilizer Treatment on the Structure and Physicochemical Properties of Resistant Starch in Buckwheat.” FOOD CHEMISTRY 477. https://doi.org/10.1016/j.foodchem.2025.143620.
Chicago author-date (all authors)
Gao, Licheng, Filip Van Bockstaele, Geert Haesaert, Andre Skirtach, and Mia Eeckhout. 2025. “Effects of Nitrogen and Sulfur Fertilizer Treatment on the Structure and Physicochemical Properties of Resistant Starch in Buckwheat.” FOOD CHEMISTRY 477. doi:10.1016/j.foodchem.2025.143620.
Vancouver
1.
Gao L, Van Bockstaele F, Haesaert G, Skirtach A, Eeckhout M. Effects of nitrogen and sulfur fertilizer treatment on the structure and physicochemical properties of resistant starch in buckwheat. FOOD CHEMISTRY. 2025;477.
IEEE
[1]
L. Gao, F. Van Bockstaele, G. Haesaert, A. Skirtach, and M. Eeckhout, “Effects of nitrogen and sulfur fertilizer treatment on the structure and physicochemical properties of resistant starch in buckwheat,” FOOD CHEMISTRY, vol. 477, 2025.
@article{01JN1F6HKCZHK86YR3FNHW4SHM,
  abstract     = {{This study investigated the combined application of nitrogen and sulfur fertilizers on the structural characteristics and physicochemical properties of buckwheat resistant starch. The results showed that combined fertilization did not change the crystalline diffraction pattern of the resistant starch samples (exhibiting a B-type crystalline structure), but significantly (p < 0.05) increased the relative crystallinity (35.07-44.36 %). In addition, combined fertilization enhanced resistant starch content (28.36-35.22 %), apparent amylose content (20.50-35.06 %), particle size, pasting temperature (50.30-50.66 degrees C) and gelatinization enthalpy (2.77-4.65 J g(-1)). Conversely, higher fertilization levels were associated with lower light transmittance, water solubility, swelling power and viscosity. Pearson's correlation analysis revealed that buckwheat resistant starch and apparent amylose content were significantly (p < 0.01) positively correlated with particle size and gelatinization temperatures, while negatively correlated with viscosity. This study provides a theoretical basis for optimizing the application of nitrogen and sulfur fertilizers to improve the properties of buckwheat resistant starch.}},
  articleno    = {{143620}},
  author       = {{Gao, Licheng and Van Bockstaele, Filip and Haesaert, Geert and Skirtach, Andre and Eeckhout, Mia}},
  issn         = {{0308-8146}},
  journal      = {{FOOD CHEMISTRY}},
  keywords     = {{Buckwheat resistant starch,Nitrogen fertilizer,Sulfur fertilizer,Structural properties,Physicochemical characteristics,IN-VITRO,NUTRITIONAL PROPERTIES,RHEOLOGICAL PROPERTIES,PASTING PROPERTIES,RICE,AMYLOSE,DIGESTIBILITY,PRODUCTS,SIZE,FOOD}},
  language     = {{eng}},
  pages        = {{13}},
  title        = {{Effects of nitrogen and sulfur fertilizer treatment on the structure and physicochemical properties of resistant starch in buckwheat}},
  url          = {{http://doi.org/10.1016/j.foodchem.2025.143620}},
  volume       = {{477}},
  year         = {{2025}},
}
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