Production

Information on wine production, including resources and tips for home production of wine and beer, basics on wine acidity and tannins, enological additives and managing sour rot. Tips on preparation for harvest and sulfur dioxide management.

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Intro to Wine Microbiology
Intro to Wine Microbiology - Workshops Workshops

Intro to Wine Microbiology

01/22/2019

University Park, PA

$200.00
This workshop is for winemakers that would like hands-on training in proper microbiological techniques in the winery. More
Winemakers Pre-Harvest Workshop
Winemakers Pre-Harvest Workshop - Workshops Workshops
Prepare for this year's harvest at the Winemakers Pre-Harvest Workshop. More
Botrytis bunch rot. Photo by W.J. Moller
Botrytis Bunch Rot: Winemaking Implications and Considerations - Articles Articles
This article will review the implications of molds and fruit rots on wine composition and quality and discuss remedial actions in the winery. More
Photo: Denise Gardener
Wine Faults Sensory Training Meetings - Workshops Workshops
A series of state-wide meetings to provide winegrowers an opportunity to meet the new enology Extension educator, Molly Kelly. More
Photo: Molly Kelly, Penn State
Incorporating Microbiology Techniques in the Winery - Articles Articles
There are a number of spoilage microorganisms and yeasts that we are concerned with as winemakers. More
Photo by Michela Centinari
Penn State Grape and Wine Team Boosts Industry Through Research, Education - News News
The Penn State Grape and Wine Team is supporting the blooming grape and wine industry. More
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Winemaking as a Hobby - Guides and Publications Guides and Publications
$10.00
Learn how to make your own wine at home. More
Cold Stabilization Options for Wineries
Cold Stabilization Options for Wineries - Articles Articles

Cold Stabilization Options for Wineries

Michela Centinari, Ph.D.

The following article will explore the use of cold stabilization in winemaking as a means of adjusting wine quality. More
Tasting Room Employee Sensory Training
Tasting Room Employee Sensory Training - Articles Articles

Tasting Room Employee Sensory Training

Michela Centinari, Ph.D.

Understanding wine sensory evaluation to better adapt to consumer preferences aids in producing wines that will be sold successfully in the wine market. More
Starting a Lab in a Small Commercial Winery
Starting a Lab in a Small Commercial Winery - Articles Articles
The following is a guide meant to help establish a wine lab in a small (<10,000 cases annual production) to mid-size (<30,000 cases) winery. More
Wine Analytical Labs: How Your Winery Can Use Them
Wine Analytical Labs: How Your Winery Can Use Them - Articles Articles
An important attribute to winemaking is monitoring quality control of the wines through quantitative analysis. More
Why Measure YAN? Variation in YAN Data Over a 6 Year Time Period
Why Measure YAN? Variation in YAN Data Over a 6 Year Time Period - Articles Articles
YAN data from the same vineyard site was collected from 2006 to 2011 to emphasize vintage variation in YAN and a need for annual YAN testing. More
Carboys are filled to minimize oxygen exposure during storage. Keeping the carboys in a cool area also helps maintain freshness. Photo by Denise M. Gardner
Production Tips for the Home Winemaker - Articles Articles
The following article discusses some possible considerations when making wine at home. More
Resources for Home Production of Wine, Beer, and Growing Grapes
Resources for Home Production of Wine, Beer, and Growing Grapes - Articles Articles
Looking to make your own wine? Brew your own beer? Or grow your own grapes? Below is a list of resources useful for all of your home production needs. More
A Perspective of the Pennsylvania Wine Industry
A Perspective of the Pennsylvania Wine Industry - Articles Articles
Joe Roberts, national wine blogger, discusses PA wine quality as of the 2012 vintage year, how to enhance quality over time, and insights for the future. More
An Examination of Distillation of Faulted Wines
An Examination of Distillation of Faulted Wines - Articles Articles

An Examination of Distillation of Faulted Wines

Denise M. Gardner, Erin Donnelly

Explore the use of distillation to treat faulted commercial wines. More
Sulfur Dioxide Management
Sulfur Dioxide Management - Articles Articles

Sulfur Dioxide Management

Denise M. Gardner

This article explains how and why sulfur dioxide is used as the primary preservative in wine. More
Sulfur-based Off-flavors in Wine
Sulfur-based Off-flavors in Wine - Articles Articles
This article explains sulfur, sulfur dioxide, and sulfur-like off-odors in wine, and how to remediate hydrogen sulfide in wine. More
Nutrient Management during Fermentation
Nutrient Management during Fermentation - Articles Articles
This article explains what YAN is, the advantages of measuring and treating it, and how to determine what your YAN value means, among other YAN-related topics. More
Preparation for Harvest
Preparation for Harvest - Articles Articles

Preparation for Harvest

Denise M. Gardner

A series of tasks are required for harvest preparation: ordering supplies, checking equipment, preparing the enology lab, updating SOP's, assessing safety risks, and visiting the vineyard. More
Enological Products and Their Uses
Enological Products and Their Uses - Articles Articles

Enological Products and Their Uses

Michela Centinari, Ph.D.

This article provides information on the basic enology additives: Fermentation Nutrients, Enological Tannins, Polysaccharides or Inactivated Yeasts, and Fining Agents. More
Wine Tannins Unwrapped Via Clark Smith
Wine Tannins Unwrapped Via Clark Smith - Articles Articles
International wine expert, Clark Smith noted that wine tannins are often confusing to winemakers, and gave a brief overview to explain some grape and wine tannin basics. More
Basics on Wine Acidity in Wine Via Clark Smith
Basics on Wine Acidity in Wine Via Clark Smith - Articles Articles

Basics on Wine Acidity in Wine Via Clark Smith

Denise M. Gardner, Clark Smith

In 2011, international wine expert, Clark Smith, visited the PA wine industry and made fundamental suggestions on acid control in wine. More
Managing Sour Rotted Fruit in the Cellar
Managing Sour Rotted Fruit in the Cellar - Articles Articles
Like many grape diseases, sour rot is not specific to one genus and species of bacteria, and it’s difficult for winemakers to know how to deal with such infections. More
Botrytis Infection on Pinot Grigio Grapes. Photo by: Denise M. Gardner
Fermenting with Botrytis 101 - Articles Articles

Fermenting with Botrytis 101

Denise M. Gardner

Suggested actions for successful fermentation depending on the extent of Botrytis infection on the incoming grape clusters. More
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