Publications by authors named "Dajie Song"

Article Synopsis
  • Hyperspectral microscope imaging (HMI) was used to study changes in the physicochemical properties and microstructure of 'Golden Delicious' apples during storage, focusing on different regions of interest (ROIs) within the apple flesh, such as whole cells and intercellular spaces.
  • The technique revealed similar vibrational profiles across these ROIs, with notable differences in spectral intensity, especially between 800-1000 nm, which helped to visualize structural changes in the apple tissues.
  • Results indicated that HMI is a promising method for quickly and accurately evaluating apple quality, demonstrating strong correlations between various quality indicators and specific spectral wavelengths.
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This original work investigated the optical properties and Monte-Carlo (MC) based simulation of light propagation in the flavedo of Nanfeng tangerine (NF) and Gannan navel orange (GN) infected by Penicillium italicum. The increase of absorption coefficient (μ) at around 482 nm and the decrease at around 675 nm were both observed in infected NF and GN during storage, indicating the accumulation of carotenoids and loss of chlorophyll. Particularly, the μ in NF varied more intensively than GN, but the limited differences of reduced scattering coefficient (μ') were detected while postharvest infection.

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The potential of visible-near infrared (vis/NIR) spectroscopy (400 nm to 1100 nm) for classification of grape berries on the basis of multi inner quality parameters was investigated. Stored L. cv.

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The claret membrane, instead of the purple membrane, was isolated when the conventional method for isolating purple membrane from Halobacterium halobium was applied to Halobacterium sp. XZ515. The SDS-PAGE results showed that only one protein, archaerhodopsin, existed in claret membrane with M.

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