Seafood, in particular fish are a good source of protein and omega 3 fatty acids. As well these beneficial nutrients, seafood can contain trace amounts of different metals. Heavy metals present in water both naturally and introduced to the water system are absorbed by animals living in that environment. While trace elements are found in most seafood, much higher levels are found in predatory sea animals, due to the cumulative effect of their consumption. Analysis of trace metals is important to remain compliant with different countries food laws.
Green leafy vegetables are good for you. They are an easy go to for a range of vitamins and minerals, including vitamin A, E and K, folate, calcium, magnesium, and potassium. While once a less desirable vegetable that needed cartoon sailors to promote it, spinach has gained popularity due to its versatility as an ingredient and nutrient density, even among other green leafy vegetables.
Wheat is a versatile crop. A range of products can be produce from wheat, such as flour, cereals, pasta, beer, starches and glucose syrups. The range of products place it in high demand and as such also put it in the eyes of regulators. In the case of wheat, trace metals have been identified as a risk and levels have been regulated.