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The Winemaker’s Think Tank: Vol 25 – Why is my wine evaporating?

What’s the Winemaker’s Think Tank?

Every Thursday we will post about a few frequently asked questions that our winemaker has answered. If you have a winemaking question you would like to have answered, please email us at support@juicegrape.com and we will try to get into next week’s post. Cheers! :)

Smoke or vapor coming from a wine glass on black background.

Why is my wine evaporating?

Just like water or any other liquid, with prolonged exposure to air, wine can evaporate. When aging wine in an enclosed container such as a tank, carboy, or demijohn, the container should have an airtight seal via an inflatable gasket or an airlock and bung. This will help prevent against oxidation and will reduce the amount of evaporation dramatically. If you still see some evaporation happening in one of these closed containers, evaluate your bungs and seals as they may not be working properly.

The main source of evaporation in winemaking is through barrel aging. Barrels are a porous environment that allows the wine to “breathe” over time. This “breathing” process is essentially evaporation. The wine is exposed to air through the porous staves and small portions of the wine evaporate into the atmosphere. This has positive effects on the wine as it creates a creamier mouthfeel, can reduce the perception of acidity, and imparts oak flavor. The barrel must be filled monthly with additional wine to reduce the head space and replace the evaporated product. This will prevent the wine in the barrel from oxidizing. While the breathing process may be a source of frustration, as you witness your wine evaporating into thin air, it will help you to create a fuller, heavier, more lush wine.

We hope this information helps with your winemaking. If you have any follow up questions or winemaking questions in general, please email us at support@juicegrape.com.

Notes from our Winemaker Frank Renaldi about the Chilean Sauvignon Blanc

Notes from our Winemaker Frank Renaldi about the Chilean Sauvignon Blanc

“Good day, Grapes looked really good. No mold, clean, juicy. Let set with enzyme for 5 hours. Good press. Tomorrow will measure, adjust and add goodies and pitch yeast.” – We are sold out of the white grapes but still have some reds grapes and white & red juices available Give us a call at the office to secure your order!

Don’t forget to sign up for the Spring Bootcamp with winemaker Frank Renadli! Learn how to make great wine at home in just 5 weeks!

chilean grapes_home winemaking sb_fr2

The Winemaker’s Think Tank: Vol 12- Common Winemaking Faults and Flaws

Wine expert testing wine silhouette image

What’s the Winemaker’s Think Tank?

Every Thursday we will post about a few frequently asked questions that our winemaker has answered. If you have a winemaking question you would like to have answered, please email us at support@juicegrape.com and we will try to get into next week’s post. Cheers! :)

In this week’s Winemaker’s Think Tank we outline the difference between flaws, faults, and how to identify them.

  • Flaws
    •  Flaws are a mistake made in the winemaking process that leads to a property in the wine that is not characteristic of the varietal
    •  Stylistic Choice vs. Flaw
    •  Imbalance Flaw
      • Acid vs Sugar, Oak Levels, Alcohol Level
    • Visual Flaws
      • Haze, Sediment, Effervescence, TA Crystals, Floaters, Lack of Color Saturation
    • Aroma/Bouquet Flaws
      • Lack of Aroma, Non-varietal aroma, Over-oaking
  • Faults
    • Faults are often a microbial or chemical reaction within the wine in some part of its life that significantly alters a wine, eventually leading to the point of spoilage.
  • Oxidation Faults
    • Acetaldehyde – oxidation of Ethyl Alcohol smells like sherry, or old apples, browning
      • Causes: headspace, low sulfites, poor corks, bacterial contamination
    • Acetic Acid – Vinegar
      • Causes: Acetaldehyde, Acetobacter bacteria react with ethanol, Fruit Flie
    • Ethyl Acetate – Nail Polish Smell
      • Oxidation of Acetaldehyde and Acetic Acid
      • Causes: headspace and bacterial contamination
  • Sulfur Faults
    • Hydrogen Sulfide – Rotten Eggs Smell
      Causes: lack of yeast nutrients, yeast stress, sulfur sprays, yeast bi-product, high temps
    • Sulfur Dioxide – Burnt Match Smell
      Causes: over sulfating, wild yeast
    • Complex Sulfur Faults- Mercaptans, DMS, DES, DMDS, DEDS
      Causes: Hydrogen Sulfide reacting with Ethyl Alcohol
  • Microbial Faults
    • Brettanomyces – Barnyard, Horse Saddle, Antiseptic Ointment, Band-Aids, Bacon, Clove
      • Causes: spoilage yeast cells that are incredibly dangerous and difficult to eliminate. Most often found in contaminated barrels, winery cleanliness, resistant to acid and SO2
    • Geranium Taint – Fresh cut geranium leaves
      • Causes: Reaction of potassium sorbate with Lactic Acid Bacteria in the presence of Ethyl Alcohol
    • Refermentation – Fizzy wine, popped corks
      • Causes: Yeast or microbial fermentation of residual sugar
  • Other Faults
    • Cork Taint – Wet basement, wet old newspaper, mildew
      • Causes: strain of trichloanisole on cork (cork taint); mold that contacts chlorine and wood
    • Heat Damage – Cooked fruit smell, brick red color, similar to oxidation
      • Causes: leaving wine in a hot car, in the sun, etc.

We hope this information helps with your winemaking. If you have any follow up questions or winemaking questions in general, please email us at support@juicegrape.com.

Come Celebrate Your Winning Wines on January 21st

wine-competition-dinner-invite

 

The results are in and the date is set! Come Celebrate Your Winning Wines on January 21st, 2016.

The 2016 Musto Wine Grape Company, LLC. Wine Competition Dinner will entail a catered dinner, medal ceremony, wine themed games, dancing, and raffle prizes. All raffle money proceeds will be donated to the Wounded Warriors Project.

This is an event you don’t want to miss! There may even be a possibility of hitting Frank Musto in the face with a pie! (Shhhhh don’t tell Frank ;))

Tickets: Purchase HERE

Results: Musto Wine Grape Wine Competition Results!

LOCATION:
Zandri’s Stillwood Inn:
1074 S. Colony Rd, Wallingford, CT 06492
January 21st, 2017
6:30PM – Midnight

 We Hope To See You There! Cheers!

Harvest Update: 8/25/2016

ARRIVING to Hartford, CT Early Next Week:

harvest calendar

8/29/2016:

LODI

  • Costamagna Chardonnay
  • Lodi Gold Grenache
  • Valley Beauty Barbera
  • Smiling Baby Merlot
  • Valley Beauty Zinfandel

9/1/2016:

LANZA – Suisun Valley

  • Sauvignon Blanc

CENTRAL VALLEY

  • Cry Baby Muscat (42lb)
  • Muscat King (42lb)
  • Cry Baby Thompson Seedless (42lb)
  • Lugano Old Vine Zinfandel
  • Lucerne Old Vine Zinfandel

JUICES from LODI

  • A Mix of Varieties

 

 

Call 877.812.1137 or email sales@juicegrape.com for more information

Take An Adventure to Lodi Wine Country

Instagram Post _Take an Adventure to Lodi Wine Country

We are bringing Lodi Wine Country to you this fall. An exciting time for the region, Lodi was recently named “Wine Region of the Year” by Wine Enthusiast Magazine. The grapes are grown in a Mediterranean style climate producing wines of great character and strength. Keep an eye out for our newer Italian Wine Grape Program from this region. These grapes will be producing some fantastic and age worthy wines.

nero_15.8brix Sagrantino_15brix1 mourvedre_13.4brix Aglianico_15brix

 

Red Wine Essence Aroma Kit

red wine_essences

Every “Wine Wednesday” we have decided to work on some type of wine education. This Wednesday we decided to focus on the aromas in Red Wine.

So the first question is – Where do wine aromas come from? Well they initially come from the grape and the terrior. Have you ever heard the quote “you can’t make great wine from bad grapes, but you can make bad wine from great grapes”? This couldn’t be more true. The grape is the starting point for the wine and its aromas. That being said, different grape varieties have different aromas associated with them. For example, most red wines have notes of dark berries and other plants. Specifically, Cabernet Sauvignon usually has aromas of black currant, mint, and violet. Each wine grape has a different aroma starting point which is impacted by where the grapes is grown, the yeast that is inoculated, oak, and any other additives that are introduced into the wine during the fermentation and aging process. Red wine aromas are complicated but pleasing representations of the vineyard & winemaker’s work.

When tasting wines many people have difficulty describing the different aromas they smell. The kit that we used challenged us to identity specific aromas and describe them. First, we smelled each essence and guessed what it was. We had some interesting descriptors…bubblegum, salt water, and aftershave just to name a few. When the actual aromas were revealed sometimes we were right and sometimes we were way off. But being challenged to describe what we smelled and training our sense of smell will only help us when making our own wines. This will also help us at wine judging events, winemaking events, and even when identifying faults.

All in all it was a great learning experience.

Stay tuned for more updates about our wine education courses (we will be adding a new aromas/faults class soon) and Spring Harvest Updates! Cheers!

Mulled Wine ~ Getting in the Holiday Spirit

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We hope everyone had a very Happy Thanksgiving. We have so much to be thankful for and it’s good to take a step back, reflect, and enjoy each others company.

Now that we are in the holiday spirit we have been experimenting with different winter wine recipes. One of them being Mulled Wine. Below is my recipe. I suggest pairing it with friends by the fireplace and a tasty charcuterie plate.

 

4 cups apple cider (or can use apple juice if you want it a little sweeter)

1 bottle of red wine (suggest cabernet, merlot, or a blend of both)

1 tablespoon – 1/4 cup of honey (depends on your sweet tooth)

2 cinnamon sticks

1 orange – juiced and zested

4 whole cloves

2-3 stars of anise (do to taste)

orange peels/wedges for garnish

Add the apple cider/juice, wine, cinnamon sticks, orange zest, orange juice, and cloves to a saucepan. Bring to a boil. Add stars of anise and honey to taste. Let it simmer for 8-10 minutes. Pour into mugs, add an orange peel/wedge for garnish, and enjoy!