Food and Agriculture - Niumag

Academic Achievements

Literature Interpretation | How Is Salt-Alkali Stress in Wheat Read as an Interpretable Water Map by Low-Field NMR? This study combines low-field NMR (LF-NMR) T₂ relaxation with proton density-weighted imaging (PDWI) to characterize water state and spatial heterogeneity in wheat seedlings under salt-alkali stress. LF-NMR reveals a stress-induced shift from free water to bound and semi-bound water, while PDWI texture analysis shows progressive fragmentation of high-signal regions and increased heterogeneity. A dual-tower late-fusion model integrating both modalities achieved 95.93% classification accuracy, outperforming single-modality models. These results demonstrate that LF-NMR combined with PDWI offers an interpretable, non-destructive framework for early stress phenotyping, though broader validation across varieties, environments, and growth stages is still required.

Literature Interpretation | Does Light Change Soybean Oil Flavor? 2D Low-Field NMR Captures Pyrazine Formation Trajectory This study employs two-dimensional low-field nuclear magnetic resonance (2D LF-NMR) relaxation fingerprinting to track photo-induced formation of 2-methylpyrazine (2-MPZ) in soybean oil under full-spectrum illumination. High-field ¹H NMR and standard addition confirm the correlation between emerging 8.3–8.8 ppm signals and 2-MPZ, while 2D difference spectra reveal time-dependent changes in characteristic regions A, B, and C. The results demonstrate that 2D LF-NMR, requiring no pretreatment, offers a sensitive tool for rapid monitoring of light-induced flavor evolution in edible oils, though further validation with standardized light doses, GC-MS, and real shelf-life tests is needed for quantitative application.

When the “Gold Standard” Meets “Green Technology”: A Comparison of Seed Oil Detection Methods This study compares Soxhlet extraction, confocal laser scanning microscopy (CLSM), and low‑field nuclear magnetic resonance (LF‑NMR) for seed oil analysis. LF‑NMR enables non‑destructive, rapid, and green monitoring of dynamic oil changes during germination, providing both T₂ relaxation data for oil content/fluidity and MRI for spatial distribution, making it ideal for process‑oriented research.

Literature Review | Associate Professor Fanghui Fan's Team at Shenzhen University: Low-Field Time-Domain Nuclear Magnetic Resonance Facilitates Quality Control of Frozen Fish Balls – Analyzing the Cryoprotective Mechanism of Short-Chain Polypeptides Based on Relaxation and Imaging Associate Professor Fanghui Fan's Team at Shenzhen University: Low-Field Time-Domain Nuclear Magnetic Resonance Facilitates Quality Control of Frozen Fish Balls – Analyzing the Cryoprotective Mechanism of Short-Chain Polypeptides Based on Relaxation and Imaging

Literature Interpretation | Development and Validation of a Multi-field Interaction Imaging Detection System Based on LF-NMR

Literature Interpretation | The Effect of Freeze Drying and Far Infrared Combined Drying Technology on the Physicochemical Properties of Seed Pumpkin

Literature Interpretation | Zhejiang University Food Science Team《Biosens Bioelectron》：CRISPR Technology Empowering New Applications of Magnetic Relaxation Sensing

Literature Interpretation | Professor Xuanxuan Lu's team at Jinan University《Food Hydrocolloids》：Application of Low-Field Nuclear Magnetic Resonance in Characterizing 3D Printed Emulsions with Different Emulsifiers

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