There are almost no wines that decanting would damage, so it’s a pretty safe call if it floats your boat. Plenty of everyday drinkers wouldn’t likely improve much and may not be worth the fuss, but it won’t hurt them.
While I’ve never done it, I’d imagine some whites could be improved. To begin with, it would help warm them up quickly which is not a bad thing if the wine came straight from the fridge. Also, if it’s an age worthy wine like a riesling or white burg, it could help open them up a bit.
Ironically, the only wines that one needs to be careful of are fragile old wines which might be on the verge of turning. Of course, many of these need to be decanted off their sediment anyway. You just need to be sure to drink them up quickly. 1/2 hour later and you could be looking at vinegar.
Fundamentally, the question of when, or if, decanting is justified depends on how the wine reacts to aeration.
From a chemical standpoint, decanting exposes a wine to air, triggering oxidation and evaporation.
Whilst I advocate for decanting wine, prolonged aeration can adversely affect oaky, tannic young reds.
In general, the tannins seemed to grow greener and less supple with aeration, while the fruit lost vibrancy. I sometimes observed that the cedar and vanilla notes from new oak barrels grew progressively more dominant. Although oak tends to integrate with bottle age, aeration magnifies it in young wines as oxidation reduces fruit character. My advice is to be conservative when decanting young red wines, tasting frequently so as not to miss their sweet spot.
For older reds with sediment, decanting is advisable. Although sediment, which is comprised mostly of color and tannin molecules precipitated out of the wine, forms naturally during maturation and poses no health dangers, it should be removed before serving. Otherwise it clouds appearance and can impart bitter flavors and a gritty texture.
It’s difficult to predict how much sediment an older wine will contain. While it’s sometimes possible to inspect a wine with a strong light, it’s wise to assume that reds start accumulating sediment with five to 10 years in bottle. Some wine types, such as Vintage Port, generate significantly more sediment than others, such as red Burgundy. White wines rarely develop sediment.
Proper decanting requires forethought and a steady hand. Ideally, the wine should stand upright for three or four days to allow any sediment to settle. Some particles can be fine as dust and need several days to collect on the bottom of the bottle. Decanting older wines is a simple process, though exacting. After the bottle is gently uncorked, the capsule should be removed and the neck wiped clean. A bright light, such as a flashlight beam, should be positioned under the neck of the bottle. Then, the wine should be poured slowly and steadily into the decanter, until sediment reaches the neck. The remaining ounce or two of wine, with sediment, should be discarded.
Wines should be served sediment free. But mature bottles sometimes lack the fruit to withstand aeration, so I prefer a cautious approach. Once they really develop bottle bouquet, I think it’s very possible you’ll miss something in that first hour.
Generally speaking, discretion is the better part of valor for bottles 15 or more years old. So gauge a wine’s condition before decanting. Pour a small taste (carefully, though, so that the sediment isn’t disturbed). If the wine shows well, decant just before service. But if it seems closed and unexpressive, moderate aeration in a decanter might bring about a memorable transformation.
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The art of decanting wine
Have you ever poured the last few drops of a good bottle of red wine only to find pieces of something floating around in your wine glass? For some, it can be an unattractive scene. But here’s the good news. Typically, it’s not bottling negligence or some other winery faux pas. It’s simply sediment, a matter (in this case, the cork) settling to the bottom of a liquid. And even better news; you can refresh your Casanova di Nieri with elegance and ease. As the youngest child of a self-appointed wine connoisseur, I viewed from afar the many cocktail party and wine tasting at my parents home following an afternoon at the country club with their golfing pals. During these years, my father developed an affinity for fine wine, and ultimately furthered his passion for old and red wine. I would stand in awe when I watched him perform the wine decanting ritual with ease and precision. I was honored and delighted when at only 13-years old, he introduced me to the graceful art of decanting wine.
The need for decanting began long before the modern winery filtration and bottling process. Wine was typically bottled straight from the wine barrel rather than receiving any type of filtering to remove debris. Now, a process known as fining ensures a more clarified, stabilized wine. Fining is basically the modern day version of decanting on a much larger scale. (It’s important to note since red wine is aged more often in the bottle than white wine, decanting is usually reserved for reds only.)
Many myths surround decanting. For example, apparent sediment in the bottom of a wine bottle indicates the wine is bad. Some people believe you should only decant an older, mature wine. Another common myth is only the professionals – a sommelier (the French term for a wine steward or cellar master) – should decant wines tableside in posh, expensive restaurants. While myths of this sort may have been true years ago, decanting a bottle of wine is a simple ritual ensuring a pleasurable tasting experience.
So what is decanting? Decanting is a process of carefully moving (pouring) wine from its vessel (typically the bottle) into a decanter. A decanter can be a glass pitcher or carafe. Many wine masters believe the best decanter has a long neck and wide bottom surface area, almost the opposite of a wine bottle. These features better allow oxygen to reach the wine for a more smooth, mellow finish.
First, what types of wines are appropriate for decanting? Mature wines, anywhere from six to eight years old, may or may not contain sediment. The need for decanting will largely depend on how the wine has been stored, whether straight up or lying on its side, and the age. On the other hand, it’s perfectly acceptable to decant a young, less mature wine for the purpose of aerating, or breathing, to soften harsh tannins. If you are choosing to decant a bottle of wine for this purpose, there’s no need to complete the following steps.
You should first assemble a clean glass decanter, a candle and the bottle of wine for decanting. (Note: For optimum results, allow the bottle of wine to stand upright for at least 24 hours prior to decanting. This will allow any sediment to settle to the bottom of the bottle.)
* Remove the foil and cork the wine. Carefully clean the neck and mouth areas of the bottle with a damp paper towel. Be careful not to allow any dirt or debris to fall into the bottle. The entire neck should be exposed and free from covering. If your wine is very mature, take great ease and caution when corking. The cork may be very brittle and dry, causing it to split or break. But if you’ve properly stored your bottle in a dark, cool cellar, you should be fine.
* Light the candle (a long taper works best) and secure in a candleholder. (This method is our family tradition.) Asking a friend to help might be of some pleasurable assistance. You can then stand up, rather than stooping over the counter, holding the wine bottle in one hand and the decanter in the other. Your friend can hold the candle at the neck of the bottle while you decant. Be sure to ask your friend to follow your motions with the candle so as not to impede the decanting process.
* Carefully holding the neck close enough to the candle flame to see through the neck, begin very slowly pouring the wine into the decanter. (Don’t pour too slow or you’ll heat the wine.) As you pour, carefully watch for any particles of sediment or debris, or a cloudy presence. Should either of these two become present, stop pouring immediately.
The end result will be a perfect decanter of wine. For most bottles requiring decanting, you should have about a half-inch to an inch worth of wine remaining in the bottle. It will all depend on the maturity and storage history of the wine.
I hope you will take the time to discover the age-old ritual of decanting wine. Sure, you could purchase a fine mesh strainer and remove any sediment less formally, but the delicate art of decanting a bottle of wine will be an exquisite task to include in your entertaining arsenal.
On a personal note, the love for wine remains in my family today. (It was this same long-standing love that led me to the writing of a one thousand-word term paper in the 8th grade, Bordeaux Wine, and an oral presentation on how to decant a [non-alcoholic] bottle of wine. I had to use a flashlight, but received an A. My father was so proud.) However, thanks to advanced winery processing and filtration, it’s not often we must decant a bottle of wine. But you can often find us enjoying a good bottle of wine while reminiscing about old wine labels and decanting days gone by.