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Related Experiment Video

Updated: May 28, 2026

Transverse Sectioning of Mature Rice (Oryza sativa L.) Kernels for Scanning Electron Microscopy Imaging Using Pipette Tips as Immobilization Support

Transverse Sectioning of Mature Rice (Oryza sativa L.) Kernels for Scanning Electron Microscopy Imaging Using Pipette Tips as Immobilization Support

Published on: January 25, 2022

Evolution of Rice Storage Quality and Underlying Microstructural Mechanisms Under Varying Nitrogen Fertilization

Fei Wen¹, Jiahui Qi¹, Haimiao Yang¹

¹College of Advanced Agricultural Sciences, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China.

Foods (Basel, Switzerland)

|May 27, 2026

Summary

High nitrogen fertilizer application and long storage duration accelerate rice aging and off-flavor compound accumulation. Gel consistency (GC) is a key indicator of rice eating quality and storage tolerance.

Keywords:

indica-japonica hybrid rice nitrogen fertilization quality stability storage duration

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Area of Science:

Agricultural Science
Food Science
Materials Science

Background:

Nitrogen fertilizer rate and storage duration critically impact rice quality stability.
Understanding these factors is crucial for maintaining rice's milling, eating, and nutritional value.

Purpose of the Study:

To investigate the effects of nitrogen fertilizer levels and storage duration on rice quality.
To analyze changes in physicochemical properties, microstructure, and volatile profiles.
To identify key indicators for rice deterioration and storage tolerance.

Main Methods:

Three indica-japonica hybrid rice cultivars were used.
Four nitrogen fertilizer application levels were applied.
Rice quality was assessed after long-term storage, including microstructure analysis (SEM) and volatile profiling.

Main Results:

High nitrogen application (300 kg hm⁻²) induced structural defects in starch granules, accelerating aging.
Storage duration significantly altered volatile profiles and lipid degradation, amplified by high nitrogen.
Gel consistency (GC) correlated strongly with eating quality parameters and rice deterioration.

Conclusions:

High nitrogen fertilizer and extended storage negatively affect rice quality, promoting off-flavors.
Gel consistency (GC) can serve as an indirect indicator for rice deterioration and storage tolerance.
Cultivar-specific microstructural changes were observed under high nitrogen after storage.