In this very traditional wine industry, it is difficult changing rapidly, but even in the most conservative industries, some companies are still looking for more sustainable packaging alternatives unremitting, first and foremost is to use more light packaging alternative to glass, to reduce energy consumption and carbon emissions.
PET packaging manufacturers such as Artenius Europe and the United States Ball Corp. have claimed that their barrier PET bottles for wine shelf life so it is necessary.PET bottle weighs just 50g, the lightest glass wine bottles weighs up to 328g.
However, a study of grapes and wines from Bordeaux, France Science Association (ISVV) claimed that the multi-layer PET packaging has caused the apparent decline in quality of wine in only six months.
The ongoing research is co-sponsored by the ISVV deputy director Martin and Senior Lecturer Remy, gas analysis, color and taste testing method to determine the quality of red wine and white wine of different forms of packaging, including three l boxed, 25 and 75cl with a screw cap, single-layer PET bottles, 25 and 75cl with a screw cap, multi-layer PET bottles, and 25 with a screw cap and 75cl glass bottles. The study does not include the use of natural or synthetic cork sealed bottles.
According to its preliminary findings, ISVV single and multi-layer PET bottles of white wine in the six months after the oxidation, and glass bottles of wine are very stable, which are confirmed by experts and novices taste the results. PET packaging of red wine, ISVV only found preliminary signs of deterioration of the quality, but not enough evidence to draw a clear conclusion.
The published results do not include any of the test bottle packaging conditions, Remy also refused to provide further information before the end of a complete study results.This refusal to the public information approach has been strong criticism of the director of research and development of European ArteniusPET packaging company Jensen.
He said: "I think the announcement of interim results of the approach is very professional, which is obviously controversial, but the researchers did not provide an available industry experts to discuss and representations. Bottles used in our study, blocking the technical problems filling methods, the bottles, filling processing, the head space volume and changes in a sealed condition and testing standards are questioned. "
Jensen said the the Artenius company this year is expected to provide 8 million barrier PET wine bottles, and has completed a quality red wine and white wine in its BindOx, and MonoBlox barrier bottle, and professional taste test to prove a year later compared to the quality of wine and glass bottles, there is no difference. Jensen's remarks are supported by Marks & Spencer's, the company spend two years in the wine experts to assess the performance of barrier PET bottles. A company spokesman said: "We after extensive testing, the result is very positive and we absolutely believe that as good as leather or imitation leather box wine and glass packaging.
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