{"id":8461,"date":"2020-06-08T13:26:35","date_gmt":"2020-06-08T11:26:35","guid":{"rendered":"https:\/\/www.fieglvini.com\/?p=8461"},"modified":"2020-06-08T13:26:35","modified_gmt":"2020-06-08T11:26:35","slug":"why-and-how-do-you-filter-wine","status":"publish","type":"post","link":"https:\/\/www.fieglvini.com\/en\/why-and-how-do-you-filter-wine\/","title":{"rendered":"Why and how do you filter wine?"},"content":{"rendered":"

I am a weird person, I admit it. I only drink fresh-pressed orange juice if filtered. I can\u2019t stand the fruit pulp. My wife teases me every time, but I only want the pure juice.\u00a0<\/span>The filtering process is easy, you only need to use a strainer. It takes a bit more than 5 minutes. Therefore, I only drink fresh-pressed orange juice for breakfast on Sundays. It was indeed on a Sunday morning, with the filter in hand, that I got the idea for this article.<\/span><\/p>\n

Why is wine filtered?<\/h3>\n

At the end of the winemaking process, the wine is murky and contains a lot of suspended particles. The murkiness is the result of different elements coming from the grapes and the micro-organisms that have transformed them into wine. During the winter, the granular particles settle to the bottom in the tank and are eliminated with a racking process. The smallest particles are, on the contrary, \u2018swimming\u2019 around in the wine and therefore filtration is necessary.<\/span><\/p>\n

The are basically two ways to do this:<\/span><\/p>\n

\u2013 frontal filter<\/span><\/p>\n

\u2013 tangential filter<\/span><\/p>\n

Features of the frontal filter<\/span><\/h3>\n

\u2013 the wine flow is frontal in relation to the filtrating surface<\/span><\/p>\n

\u2013 mainly cellulosa cardboards are used as filtrating surfaces<\/span><\/p>\n

\u2013 the cardboards need to be of good quality as they otherwise give negative smells and flavors to the wine<\/span><\/p>\n

\u2013 the loss of polysaccharides and other macromolecules is minor in relation to the tangential filtration<\/span><\/p>\n

The cardboard filter has a tendency to slim down the wine a bit. It is also very easy to use with small quantities of wine. When filtering large volumes of wine, more used cardboards are gathered and consequently there is more waste.<\/span><\/p>\n

\"filtro<\/a>
frontal filter<\/figcaption><\/figure>\n

Features of the tangential filter<\/span><\/h3>\n

\u2013 the wine flows il flusso di vino scorre perpendicular in relation to the filtrating surface<\/span><\/p>\n

\u2013 the filtrating surface is a hollow membrane. It is made of long duration polymers that are inert compared to the wine and can be washed in a cross-current of warm water.<\/span><\/p>\n

\u2013 used to microfilter a wine<\/span><\/p>\n

\u2013 can result in a small loss of macromolecules such as tannins, anthocyanins for red wines and polysaccharides for white wines. In any case the drop is low, under 5%<\/span><\/p>\n

The tangential filter only removes the suspended elements. As it does not block colloides, it guarantees that the organoleptic quality of the wine is not affected.<\/span><\/p>\n

\"Robert<\/a>
Robert next to the tangential filter<\/figcaption><\/figure>\n

Luckily for me, most wines are already filtered, and I do not need to walk around with a strainer. Instead, I can enjoy a glass of wine whenever I feel like it.<\/span><\/p>\n

P.S.\u00a0 Do you know what yeast is? In this article, I have tried to explain the difference between selected and indigenous yeast easily.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

I am a weird person, I admit it. I only drink fresh-pressed orange juice if filtered. I can\u2019t stand the fruit pulp. My wife teases me every time, but I only want the pure juice.\u00a0The filtering process is easy, you only need to use a strainer. It takes a bit more than 5 minutes. Therefore, […]<\/p>\n","protected":false},"author":4,"featured_media":8395,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[259],"tags":[],"acf":[],"yoast_head":"\nWhy and how do you filter wine? - Fiegl viticoltori a Oslavia<\/title>\n<meta name=\"description\" content=\"Filtration of wines is a widespread oenological pratice. 2 are the most common types of filter: front and tangential. 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