If you intend to keep your red wine for a week after opening it you may consider having a wine preserving tool like vacu vin wine saver.
Red wine preservation after opening.
In this case inert gas is pumped into the open wine bottle.
This will pump out the air and create a vacuum inside the wine bottle thereby halting the oxidation process or reducing the rate of oxidation.
Your red wine can last less than the stated time depending on how you store it.
Thus the key is to reduce the amount of oxygen touching the surface when storing open red wine.
Meanwhile sparkling wines somewhat unsurprisingly given their effervescent nature last the shortest and should be consumed within one to three days.
There are a few methods used to prolong shelf life all based on minimizing exposure to oxygen either by replacing or removing the oxygen or reducing the surface area of the wine.
This tool is a little pump with a bottle stopper.
Syrah nebbiolo and cabernet sauvignon are the red wines that contain higher tannin levels.
It is advisable to re cork your red wine after every glass pour.
Storing your red wine in the refrigerator keeps it fresh for a longer time.
These may last up to 2 to 3 days once you open it.
As a general rule red wines last longer than white wines after opening their potential closer to five days while white s is much closer to three.
Note that dark rich reds like cabernet sauvignon and petite sirah will generally keep for longer than lighter red varieties like pinot noir.
Once you open it will remain delicious for five days if treated with the utmost care.
Keep opened bottles of red wine not just white wine in a wine chiller or the fridge.
Low tannin levels are mostly found in merlot and pinot noir.
Keep the red wine bottle out of light.
Just allow leftover red wine to warm back to room temperature before serving.