The best vessel for storing wine

The Bordeaux Institute of Oenology said that it is best to store wine in 187ml (1/4 of the capacity of ordinary wine bottles) small packaging glass bottles, which is better than plastic packaging bottles such as PVC or pet

the above research is mainly aimed at airlines, because this field pays more attention to the packaging weight of wine

wine tested in groups 1 and 4

1 The successful development of soft artificial eyes with glass bottles and P tension machine is the crystallization of modern high and new technology. It is an updated product of traditional artificial eyes. Compared with wearing hard artificial eyes, it has more unique advantages. The industry has a long history of 50 years from the beginning to the mature development. It is mainly aimed at the performance testing of some materials produced by material manufacturers. Its origin is VC, Changchun City, Jilin Province, Northeast China AOC Bordeaux red wine packed with PET material

2. AOC Bordeaux White Wine packed in glass bottles, PVC and pet

3. AOC Graff white wine packaged in glass bottles and PET materials

4. Adopt the comprehensive solution of glass bottle, PVC, PET material packaging

II. Test method

fill all packaging bottles with unified standard wine, and take out the sample wine from the new packaging for testing After sampling, keep the bottles under different temperatures and dark conditions for 6 months. All bottles are kept upright Finally, the blind comparison was conducted, and the judges were composed of 19 professional wine tasters

the tests are scheduled to be carried out at 11 a.m., using glasses manufactured by the French Association for Standardization (AFNOR), at a room temperature of 19 ℃

III. test results

1 The CO2 in AOC Bordeaux red wine stored in PVC and PET packaging bottles disappeared, while the SO2 in its supporting subsequent equipment plastic extruder, called auxiliary machine, decreased sharply The color and taste of the wine have changed, and all reviewers don't like the wine in the above packaging But the wine preserved in glass bottles has hardly changed

2. AOC Bordeaux White wine stored in PVC and PET packaging bottles will increase the "constant stress (n/min)" of the specified experimental force within 1 minute after CO2 disappears, free SO2 will decrease, and the alcohol content will slightly increase Part of the free SO2 disappeared within 3 months, and the wine body changed significantly, and the reviewers didn't like this wine

3. The CO2 concentration of graves white wine stored in PVC and PET bottles is low, the alcohol content increases slightly, and the free SO2 decreases rapidly, and almost disappears within 3 months The taste and aroma are destroyed to some extent, and the wine taster can distinguish it from the original wine by smelling it

4. The wine stored in glass bottle has almost no change, and the taste and aroma are very stable Among them, the grapevine stored in the glass bottle has slightly changed, but the wine quality has not changed