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Impact and mitigation of lead, cadmium and micro/nano plastics in fragrant rice.
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Researchers reviewed the combined risks of heavy metals (lead and cadmium) and micro(nano)plastics in fragrant rice, exploring their impact on rice quality, aroma, and safety given that over 50% of the global population consumes rice daily.
Heavy metals (HMs) and micro(nano)plastics (MNPs), represent a significant risk to global food supply as well as a potential risk to humankind. Over 50% of the worldwide population eat rice every day, and rice aroma is a significant qualitative trait that is highly valued by consumers and fetches premium prices in the global market. Despite the huge commercial importance of fragrant rice, limited studies were directed to investigate the influence of HMs and MNPs on yield related traits and 2-Acetyl-1-pyrroline (2-AP) compound, mainly responsible for aroma production in fragrant rice. In this review, we found that the interaction of HMs and MNPs in fragrant rice is complex and accumulation of HMs and MNPs was higher in root as compared to the grains. Nutrients and phytohormones mediated mitigation of HMs and MNPs were most effective sustainable strategies. In addition, monitoring the checkpoints of 2-AP biosynthesis and its interaction with HMs and MNPs is challenging. Finally, we explained the potential challenges that fragrant rice faces considering the continuous rise in environmental pollutants and discussed the future avenues of research to improve fragrant rice's yield and qualitative traits.
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This review summarizes research on how tiny plastic particles and toxic metals together affect rice grown in contaminated soil. It explains how plastics can change soil conditions and root growth, affecting how metals like cadmium, arsenic, mercury and lead build up in rice grains, and notes more field testing on mature rice is needed.
Microplastic contamination in Indian rice: A comprehensive characterization and health risk assessment
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Researchers found microplastics in all samples of Indian rice tested, averaging about 30 particles per 100 grams, with polyethylene and PET being the most common types. The study estimated daily microplastic intake from rice consumption for men, women, and children, highlighting that this dietary staple is a potential pathway for plastic particles to enter the human body.
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Researchers detected and characterized microplastics in commercial rice brands from India for the first time, finding contamination in a staple food consumed by hundreds of millions of people. Fiber and fragment morphotypes dominated, with polymer identification confirming synthetic plastic rather than processing artifacts.
Plastics contamination of store-bought rice.
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Researchers detected microplastics in store-bought rice, one of the worlds most widely consumed staple foods. Multiple types of plastic were found in samples from different brands and processing methods, including polyethylene and PET. The findings indicate that food processing and packaging contribute to microplastic contamination of rice and raise concerns about dietary plastic exposure.
Microplastics retrieval from commercial rice brands in india: Characterization, dietary exposure, and risk assessment
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Researchers detected microplastics for the first time in commercial rice brands sold in India, using FT-IR and Raman spectroscopy to identify polymer types. The findings raise concerns about dietary microplastic exposure through one of the world's most widely consumed staple foods.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.