Chia seeds, goji berries and the like are now an integral part of a balanced diet. What are superfoods, what do they offer, and why should we favour local Swiss varieties over more exotic imports?
Health-conscious eaters swear by superfoods. While there has been plenty of talk about superfoods for years now, we still don’t have a clear definition of what they are. Superfoods are said to supply our bodies with numerous valuable nutrients. They are also supposed to help combat fatigue, exhaustion as well as cancer, heart problems and other serious complaints. They’re even said to have miraculous anti-ageing properties. But few of these grand claims are backed up by scientific evidence. True, many of these foods have positive qualities and are very much worthy of the title “super”. But more than anything, the label “superfood” is a useful marketing term.
Fruits, vegetables, nuts or herbs which contain unusually high concentrations of vitamins, minerals, fibre, amino acids and secondary plant extracts are known as superfoods. But while many domestic varieties offer those qualities, they’re not really regarded as “superfoods”, a term generally reserved for exotic plant products.
Found in South America and China, chia seeds are rich in plant-based protein, filling dietary fibre and valuable omega-3 fatty acids. Peruvian mesquite powder derived from dried bean pods supplies us with fibre, protein as well as iron, zinc, magnesium and calcium. And matcha powder from Japan is rich in amino acids, antioxidants, vitamins A, B, C, E and K as well as magnesium, potassium and calcium.
This concentration of nutrients promises the things we long for – to stay healthy and perform at our best. But the long journey that exotic superfoods take – and the associated CO2 emissions – are alarming. Particularly when we have domestic alternatives which often cost a lot less.
The product you buy may have little of its original concentration of nutrients left – if it’s too heavily processed, for instance, or if it is harvested too early for its long sea journey. And there is recurring discussion about the widespread use of pesticides on imported superfoods. To ensure that fruits and vegetables survive their sea voyages, they are sometimes treated with herbicides that are no longer permitted in Switzerland.
For the sake of the environment, if nothing else, we should be looking at local, seasonal products. Ideally, they are grown organically and sold under fair trade conditions. But we don’t tend to categorise domestic fruits, vegetables, seeds or herbs as foods with superpowers. Certainly not broccoli or parsley, even though they’re just as good as the more exotic imports. Another example is linseed, which rivals chia seeds for its concentration of protein, fibre and omega-3 fatty acids. Swiss blueberries, with their high levels of vitamins C and E, iron and antioxidants, can hold their own with the well-travelled aronia berry. Even quinoa has little more to offer than millet or buckwheat. And vitamin-rich sea buckthorn makes a great alternative to pomegranates.
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