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Determination of microplastic in green mussels (Perna viridis) in some coastal areas of Quang Ninh province, Vietnam
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Researchers tested green mussels from four coastal areas in Quang Ninh province, Vietnam, finding microplastics in 91.7% of samples, mostly tiny fragments under 150 micrometers. The most common plastic type found was PET, making up 67.9% of all particles detected.
This study focuses on determining the presence of microplastics in the green mussel (Perna viridis) collected from four areas: Ha Long, Van Don, Mong Cai, and Co To island in Quang Ninh province. After extraction, the microplastics from the green mussel samples were analysed using a Nicolet iN10 MX infrared microscope. The results indicated that 91.7% of the green mussels analysed contained microplastics. The microplastic density values ranged from 0.45±0.41 to 0.91±0.78 microplastics per gram of wet tissue and from 2.73±2.02 to 5.33±4.61 microplastics per individual. Most detected microplastics were smaller than 150 µm, the smallest particle measuring 22.5 µm in length and the largest 1269.6 µm. Microplastics were mainly detected as fragments. Some common polymer types used in plastic production were identified, such as: polyethylene terephthalate (PET), polyamide (PA), polyethylene (PE), polypropylene (PP), and others, with PET accounting for the highest proportion at 67.9% of the total microplastics detected. The results of this study provide a basis for assessing the potential risks of microplastics to human health and contribute to the dataset on microplastic pollution in Vietnam.
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Researchers measured microplastic contamination in green mussels, seawater, and beach sediment along the northern coast of Vietnam. Mussels contained an average of about 25 microplastic pieces per individual, while beach sediments had concentrations around 4,800 pieces per kilogram. PET was the most common polymer type, and the study shows that Vietnamese coastal waters and seafood carry meaningful levels of microplastic contamination.
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For the first time in Vietnam, microplastics were detected inside green mussels (Perna viridis), with fibers and fragments being the most common types. Given that mussels are widely eaten in Vietnam, this raises concerns about microplastic exposure through seafood.
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Researchers found microplastics in 100% of examined oysters and green mussels from Da Nang Bay, Vietnam, with average densities of 3.5 items per gram of tissue, exceeding average contamination levels seen in seafood across Asia. Mussels showed considerably higher MP accumulation than oysters, with black plastic particles under 0.5 mm in fibrous form being the dominant type found.
Microplastics Contamination in the Kalirejo Coastal Area, East Java, Indonesia and their Presence in Green Mussels (Perna viridis)
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Researchers surveyed the waters and green mussels along the Kalirejo coast in East Java, Indonesia, and found microplastics in all samples, with higher concentrations at shallower depths. Polyethylene fragments were the most common type, and there was a strong correlation between microplastic levels in the water and in mussel tissues, indicating the animals absorb plastics directly from their environment. The findings raise concerns about both ecological impacts and potential health risks from consuming contaminated shellfish in this major mussel farming region.
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Researchers conducted a preliminary determination of microplastics in four bivalve species from Phu Yen, central Vietnam, detecting MPs in clams, ark clams, oysters, and green mussels commonly consumed by local populations.
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