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Diverse effects of nitrogen fertilizer on the structural, pasting, and thermal properties of common buckwheat starch.
Gao, Licheng; Bai, Wenming; Xia, Meijuan; Wan, Chenxi; Wang, Meng; Wang, Pengke; Gao, Xiaoli; Gao, Jinfeng.
Afiliación
  • Gao L; State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
  • Bai W; State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
  • Xia M; State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
  • Wan C; State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
  • Wang M; Yu'lin Institute of Agricultural Sciences, Yulin, Shaanxi Province 719000, China.
  • Wang P; State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
  • Gao X; State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Shaanxi Province 712100, China. Electronic address: gao2123@nwsuaf.edu.cn.
  • Gao J; State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Shaanxi Province 712100, China. Electronic address: gaojf7604@126.com.
Int J Biol Macromol ; 179: 542-549, 2021 May 15.
Article en En | MEDLINE | ID: mdl-33716128
At present, the yield of common buckwheat, which is mainly grown in northern Shaanxi of China, is low and the grain quality is poor. Nitrogen is an important nutrient for the growth of common buckwheat, and appropriate nitrogen application can improve the grain quality. Nitrogen fertilizer could alter the starch granule morphology shapes and the granule size distribution. With increasing nitrogen levels, branch number, flower clusters number, grain number per plant, contents of protein and fat, size distribution of "C" granules, and percentages of light transmittance significantly increased, whereas amylose content and retrogradation decreased. All the samples displayed typical A-type X-ray diffraction patterns. Starch showed higher pasting temperature and gelatinization enthalpy but lower trough and final viscosities under high nitrogen levels. These results suggested N2 treatment was more suitable for common buckwheat growth, principal components and correlation analysis revealed that nitrogen fertilizer significantly affected the physicochemical properties of common buckwheat starches.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Almidón / Fagopyrum / Fertilizantes / Nitrógeno País/Región como asunto: Asia Idioma: En Revista: Int J Biol Macromol Año: 2021 Tipo del documento: Article País de afiliación: China Pais de publicación: Países Bajos
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Almidón / Fagopyrum / Fertilizantes / Nitrógeno País/Región como asunto: Asia Idioma: En Revista: Int J Biol Macromol Año: 2021 Tipo del documento: Article País de afiliación: China Pais de publicación: Países Bajos