Ecological – Page 19

Editorial: Enhancing nutrient profile, safety, and sustainability with fermentation technology

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Fermentation is an ancient food preparation method that science is rediscovering as a powerful tool for making foods more nutritious and safer to eat. By using specific bacteria and fungi to ferment various foods like soybeans, grains, and vegetables, researchers have found that fermentation increases the availability of vitamins and minerals our bodies can absorb, reduces harmful compounds in foods, and helps preserve them naturally. This technology also offers sustainable solutions by making use of overlooked crops and reducing food waste, all while potentially lowering salt content in traditionally salty foods.

Treatment of Cigarette Butts: Biodegradation of Cellulose Acetate by Rot Fungi and Bacteria

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Cigarette butts are a major global pollution problem because they contain cellulose acetate that doesn’t break down naturally. This study tested whether specific fungi and bacteria could eat away at cigarette filters. After one month of treatment, the bacteria B. cereus and fungi like P. ostreatus and L. lepideus successfully degraded about 24-34% of the cigarette material, suggesting these microorganisms could be used to help dispose of cigarette waste.

Upcycled Orange Peel Ingredients: A Scoping Review on Phytochemical Composition, Extraction Techniques, and Biorefinery Strategies

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Orange peels, which make up half the weight of oranges, are usually thrown away but contain valuable compounds beneficial for health. Scientists have found that these peels are rich in phytochemicals that can reduce inflammation, improve heart health, and support gut health. New methods are being developed to extract and use these beneficial compounds in food products, creating a more sustainable and waste-free approach to the citrus industry.

Sorption of Heavy Metals (Pb, Cd, Co, and Zn) by Bacteria of the Genus Bacillus: An Investigation of the Ability and Consequences of Bioaccumulation

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Researchers studied how three types of beneficial Bacillus bacteria can remove heavy metals like lead, cadmium, zinc, and cobalt from contaminated environments. The bacteria were most effective at capturing lead, removing up to 53% of the metal from the medium. The study showed these bacteria could potentially be used as probiotic treatments to help remove toxic metals from the body or clean up polluted soil. Microscopic analysis revealed that the metals accumulate on the bacterial cell surface, causing slight changes in bacterial shape and size.

Insights on Anabaena sp. PCC 7120 Responses to HCH Isomers: Tolerance, Degradation, and Dynamics on Potential lin Genes Expression

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This research examined how a type of cyanobacteria called Anabaena can help clean up contaminated areas by breaking down different forms of a harmful pesticide called HCH. The scientists found that Anabaena handles some forms of HCH better than others, completely eliminating certain types while only partially breaking down others. This discovery suggests that Anabaena could potentially be used in environmental cleanup projects to remove HCH pollution from water and soil.

Feasibility of the use of Lentinula edodes mycelium in terbinafine remediation

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Scientists tested whether shiitake mushrooms (Lentinula edodes) could remove terbinafine, a common antifungal medication, from contaminated environments. The mushroom mycelium successfully accumulated and broke down the drug into harmless byproducts, with no trace remaining in the surrounding medium. This eco-friendly approach offers a promising alternative to expensive chemical cleanup methods for pharmaceutical pollution.

The Importance of Humic Acids in Shaping the Resistance of Soil Microorganisms and the Tolerance of Zea mays to Excess Cadmium in Soil

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This research explores how humic acids, which are natural organic substances found in soil, can help protect plants and soil bacteria from cadmium, a toxic heavy metal. When cadmium contaminated soil, the application of humic acid preparation called Humus Active promoted the growth of specialized bacteria that can tolerate and break down cadmium. As a result, corn plants grew better and maize biomass increased significantly when the soil was treated with the humic preparation, suggesting this is a practical solution for farming on contaminated land.

Assessment of Heavy Metal Contamination, Distribution, and Source Identification in Surface Sediments from the Mid–Upper Reaches of the Yellow River

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Scientists studied pollution in sediments from China’s Yellow River and found high levels of chromium and cadmium, especially in cities. They determined that most of the pollution comes from human activities like industrial emissions and agriculture rather than natural sources. The research shows different areas of the river have different pollution levels, with the most polluted areas being major cities. This study helps identify where pollution comes from and guides efforts to clean up the river.

Larval seedboxes: A modular and effective tool for scaling coral reef restoration

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Scientists developed a new tool called a larval seedbox to help restore damaged coral reefs. The device releases millions of young coral larvae onto degraded reef areas, allowing them to settle and grow across a much larger area than previous methods. In testing at Lizard Island on the Great Barrier Reef, the seedboxes successfully increased coral settlement by 24 times compared to natural levels, offering a practical solution for large-scale reef restoration.

Heavy Metal Contamination and Risk Assessment in Soil–Wheat/Corn Systems near Metal Mining Areas in Northwestern China

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Mining operations in Jinchang City have contaminated farmland soils with dangerous levels of nickel, copper, and cobalt. These toxic metals accumulate in wheat and corn crops grown in the area, posing serious health risks—especially to children. The study found that children consuming these locally grown grains face significantly elevated health dangers, and the contaminated soils require immediate cleanup before farming can safely resume.

Research Topic: Ecological