Research Topic: post-harvest preservation

Evaluation of Lipid Changes During the Drying Process of Cordyceps sinensis by Ultra Performance Liquid Chromatography–Tandem Mass Spectrometry (UPLC-MS/MS)-Based Lipidomics Technique

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This study examines how different drying methods affect the lipid content of Cordyceps sinensis, a valuable medicinal mushroom. Researchers compared three drying techniques—freeze-drying, oven-drying, and air-drying—and found that freeze-drying best preserves the mushroom’s beneficial lipids, while oven-drying causes significant degradation. The findings provide practical guidance for mushroom producers on selecting optimal drying methods to maintain the medicinal quality and nutritional value of this prized fungus.

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Recent advances and role of melatonin in post-harvest quality preservation of shiitake (Lentinula edodes)

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Shiitake mushrooms are nutritious but spoil quickly after harvest due to their high water content and lack of protective skin. This review explores how melatonin and various preservation methods like proper cooling, special packaging, and drying can extend shelf life and maintain quality. Different techniques work by controlling moisture, slowing respiration, preventing browning, and controlling microbial growth. Combining multiple methods, such as vacuum cooling with special packaging, provides the best results for preserving the mushrooms’ taste, nutrition, and appearance.

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Targeted metabolomic and transcriptomic reveal the regulatory network of ultrasound on polyphenol biosynthesis in tender coconut flesh during storage

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Researchers studied how ultrasound treatment affects the polyphenolic compounds (natural antioxidants) in coconut flesh during storage. By analyzing both the chemicals and genes involved, they found that ultrasound helps preserve important polyphenols like catechin and epicatechin by controlling the expression of genes that break them down. This discovery could help extend the shelf life of tender coconut products and maintain their nutritional value.

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The Antimicrobial Extract Derived from Pseudomonas sp. HP-1 for Inhibition of Aspergillus flavus Growth and Prolongation of Maize Seed Storage

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Researchers discovered that a beneficial bacterium called Pseudomonas sp. HP-1 can produce a natural compound that effectively prevents mold contamination in stored maize seeds. The extract from this bacterium showed strong antifungal activity against Aspergillus flavus, a major cause of aflatoxin contamination in grain storage. The main protective compound was identified as phenazinecarboxylic acid, which works by damaging the cell membranes of fungal cells. This finding offers a promising eco-friendly alternative to synthetic chemical fungicides for protecting stored crops.

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