This week
In the last issue of Öko-Test, there was an interesting article on green tea. Green tea is said to have many properties from slimming, to helping the cardio-vascular system to preventing cancer because of its complex make up of molecules such as polyphenols.
Unfortunately because green tea is predominantly cultivated in East Asia, there are many questions that arise for its safety of consumption. Alone last year’s nuclear catastrophe in Fukushima, Japan poses questions of radiation exposure. But apparently, there are other more pressing problems when it comes to analysing the content of green tea.
Take China:
Tea passes through many hands before it steams in your cup. This is especially true for green teas. Because it often comes from China, a country where the cultivation of tea – unlike in India or Kenya – has traditionally been more fragmented: a farmer’s family who has their house usually in the middle of the farm, go about their business on their own and continually deliver small harvests to a cooperative. The rights to be allowed to cultivate a particular piece of land, are often passed down from generation to generation.
Sounds idyllic – but exactly that can be a big problem for the importers. For if a thousand farmers deliver to a collection point, it can hardly be traced, who has been sloppy, if there is something wrong with the tea. Excessive amounts of pesticides on one field? It is lost in the blend! Identification of each delivery by computer? Systematic analysis of pesticides?
But to demand no use of pesticides, or at least analytical reports for every tea would be an illusion: in a market with rising global demand no retailer relies on delivery to Germany. Importers from other countries do not even ask such questions, the consequence of the importer Öko-Test interviewed: he has moved almost their entire business in China to organic products (even if this tea will disappear later in conventional mixtures) and yet has each sample tested for pesticides in Germany, before the complete delivery is ordered. Better safe than sorry.
Exposure to radiation?
There are more pressing problems!
A whole new East Asian problem exists since last spring: what about radioactivity? Only last year almost all Japanese tea came from harvests from Fukushima. Only now the supplies are slowly but surely running out - and the tea of the 2011 harvest hits the shelves. Not an easy procedure. Today, those who import food from Japan to the EU, have to register first, and if necessary submit certificates. Additional controls should also ensure that no irradiated product comes to us.
Elsewhere in the industry they consider, however, whether the tea trade with Japanese teas is still worth it after Fukushima, says one supplier. The main problem is not the radiation, but rather the pesticides. Japanese teas have been again and again conspicuous in that respect. Discontinuing Japanese tea would anyhow only be a loss for connoisseurs. The highly-priced green tea from Japan can be found almost exclusively in a specialty store.
In tea cultivation, the use of pesticides is apparently still widespread. Even now, Öko-Test has demonstrated up to 14 different pesticides in a single product. This is clearly too much, even if it is only in traces in most cases. Although Öko-Test has found increased amounts flavoured tea - sometimes the amounts are even higher than would normally be allowed at present in tea. However, there is no statutory maximum amounts of flavoured teas for the end product, but only for the ingredients, for example flowers or lemon peel. Because here the authorised levels are above those of pure tea, it may be that in flavoured tea you find much higher pesticide levels which is legal. But a tea bag is a tea bag – flavoured or not. Therefore, Öko-Test aligned themselves for flavoured tea with the legal requirements of non-flavoured tea.
Tea with oil? In 17 of the products Öko-Test had commissioned for testing the laboratory found residues of mineral oil. This can be dissolved from the printing ink, for example, found in carton made from recycled material. But answers to the question, what effect mineral oil has in the body, research is still in its infancy. For tea, it is even likely that only a small part - or nothing – is transferred into the tea. Nevertheless, oil is an unwanted impurity in the tea, which is preventable, as demonstrated by several manufacturers.
Radioactive particles: could the tea after Fukushima be radioactively contaminated? This is what Öko-Test has tested for all teas that could come from affected areas. In fact, in some samples traces of radioactive particles such as occur only in atomic fission where found. The fact that the particles originate from Fukushima cannot really be established. It is much more likely that it is a remnant of past nuclear tests - as weak background levels may be detectable in food even after decades in many regions of the world. In any case, the amounts in the tested products, where far below the limits, at which food is rejected.
Aroma from the laboratory: if a tea is flavoured it should be with fruit extracts, herbs or flowers. On other teas the ingredients list already reveals, that it contains ”natural flavouring” or simply “flavour” - that is, substances of a very large group of substances, behind which lurk mostly synthetic or biotechnological flavours, but usually no fruit extracts. If the ingredients list mentioned “natural lemon flavour with other natural flavours”, ”raspberry flavour” or the like, Öko-Test had the laboratory examine, what really is inside. The result: every time, synthetic or biotechnological flavours were present in the tea.
Ref: Öko-Test February 2012
Reminder
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New
This week, Zone Bébé will take delivery of I&M products, something for people suffering from allergies as well as some new hair products.
Tip
With the current cold spell, you need to care especially for the sensitive skin of the face. My daughter came home from school the other day and her cheeks where all dry and red. Here is a perfect remedy for dry winter skin:
Martina Gebhardt Winter balm, nourishes and protects the skin from cold, wind and bad weather.
7.85€ for 15ml
Next week’s newsletter
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Have a wonderful week.
Claudia/Zone Bébé
www.zonebebe.fr
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