Research Topic: organic acids

The Biological Product Agricultural Jiaosu Enhances Tomato Resistance to Botrytis cinerea

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Agricultural Jiaosu is a fermented product made from plant waste that effectively controls gray mold disease in tomatoes through two mechanisms: it directly kills the fungus with organic acids, and it strengthens the plant’s natural defenses. When applied as a spray to tomato leaves once a week, it reduced disease by 55%, made plants grow taller and stronger, and boosted the plants’ protective enzymes. This natural alternative to chemical fungicides offers a sustainable and safe way to protect tomato crops while maintaining environmental health.

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Adaptation strategies in haloalkaliphilic fungi: Aspergillus salinarum, Cladosporium sphaerospermum, and Penicillium camemberti

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Researchers studied three special fungi that can survive in extremely salty and alkaline environments. These fungi adapt to harsh conditions by producing more proteins, fats, and special enzymes that have antimicrobial properties. The findings suggest these fungi could be useful for cleaning contaminated soils, producing medicines, and developing new industrial products.

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Insights into Physicochemical Characteristics, Flavor Development, and Microbial Succession During the Natural Fermentation of Sichuan-Style Black Soybean Soy Sauce

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This research reveals how Sichuan-style black soybean soy sauce develops its distinctive complex flavor over six months of natural fermentation. The study tracked changes in taste and aroma compounds, identifying key flavor contributors like methional (sauce-like) and 1-octen-3-ol (mushroom-like). Different microorganisms dominate at different fermentation stages, with early-stage fungi breaking down proteins and later-stage bacteria and yeasts creating aromatic compounds. The findings provide insights for improving traditional soy sauce production methods.

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Effect of Different Drying Methods on the Quality and Nonvolatile Flavor Components of Oudemansiella raphanipes

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This study compared seven different methods for drying a medicinal mushroom called O. raphanipes to determine which best preserves its flavor and nutrients. Researchers found that freeze-drying and ultrasound-assisted hot air drying at lower temperatures were most effective at maintaining the mushroom’s taste-enhancing compounds and appearance. The findings provide practical guidance for commercial production of this nutritious mushroom.

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Citric acid impairs type B trichothecene biosynthesis of Fusarium graminearum but enhances its growth and pigment biosynthesis: transcriptomic and proteomic analyses

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Citric acid, a compound found in plant roots, has an interesting dual effect on a dangerous fungus called Fusarium graminearum that destroys grain crops worldwide. While citric acid helps the fungus grow better, it actually prevents the fungus from producing dangerous toxins called trichothecenes. This finding suggests that citric acid could potentially be used in farming to reduce the harmful toxins that contaminate wheat and corn while maintaining reasonable fungal control.

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