Get the latest information on New World screwworm

Access fact sheets, news and videos from Texas A&M AgriLife Research and Texas A&M AgriLife Extension Service experts at our New World screwworm web page.

Circled letter "i" (for "information")

Enology 102: Wine Chemistry

Type
Course
Date of Publication
September 23, 2025
Price
See Agrilife Learn

Topics:

Overview

Deepen your understanding of wine chemistry. This self-paced, 6-hour enology course gives you the knowledge needed to craft balanced, high-quality wines. Learn how sugars, pH, nitrogen, SO₂, aroma, phenolics, and fermentation influence wine quality. Start learning today!

Course Information

Great wine starts with great chemistry.

In Enology 102: Wine Chemistry, you'll go beyond the basics to unpack the compounds that define wine quality. In just 7 modules, you'll learn how chemistry influences the balance, stability, and flavor of wine. Soon you'll be able to make informed decisions about every critical component that's crucial to crafting high-quality wines.

By combining theory with practical application, this course helps you make informed decisions at every stage of winemaking, from fermentation management to long-term preservation.

Who's this for?

Perfect for vineyard managers, winemakers, enologists, and anyone seeking deeper technical knowledge of wine chemistry.

Course Objectives

Once you finish this course, you will be able to:

  • Recognize the biochemical processes involved in fermentation
  • Assess and control acidity and pH levels to create an ideal balance and enhance the flavor characteristics of wines
  • Apply effective strategies for managing YAN levels to promote successful and healthy fermentations
  • Measure and control sulfur dioxide levels to safeguard wine quality and explore alternatives for its use
  • Compare and contrast alcoholic and malolactic fermentation processes, their benefits, and effective management.

Course Modules

  1. Sugars in Grapes and Wine
  2. Acidity and pH
  3. Yeast Assimilable Nitrogen (YAN)
  4. Sulfur Dioxide in Winemaking
  5. Aroma Compounds
  6. Phenolic Compounds
  7. Alcoholic and Malolactic Fermentation

Course Length

This course will take approximately 6 hours to complete. You can complete this course at your own pace. Your progress in the course will be saved if you exit AgriLife Learn.

You will have access to this course for 1 year before your account is unenrolled.

Behind every memorable wine is a careful balance of chemistry. Enroll today in Enology 102: Wine Chemistry and learn to perfect that balance in every bottle.

Looking for solutions in your county? Contact your local extension experts

County Offices

More choices in Crops & Produce

  • Publication

    Created by teachers, this multifaceted garden, nutrition, and physical activities curriculum is evidence-based and academically rich.

  • Course

    Prepare to take the Private Pesticide Applicator Exam administered by the Texas Department of Agriculture with this course designed for pesticide applicators in Texas. Private pesticide applicators use or supervise the use of restricted-use or state-limited-use pesticides to produce an agricultural commodity.

  • Course

    This 8-hour course is designed to satisfy the Apprentice Training Requirements as specified in Rule 7.132 (i) (2) and will cover common termites in Texas along with other wood-destroying insects.

  • Publication

    Today Master Gardeners are active in all 50 U.S. States and eight Canadian provinces. The heart of the Texas Master Gardener program is the dedicated, passionate volunteers who are willing to share their knowledge with anyone interested. 2019 Edition.

  • Publication

    Grasses are one of Texas’ most valuable natural resources and this publication gives you information on where to find grasses and identify them.

  • Publication

    Introductory wheel and recipe booklet to learn the basics of growing, harvesting, cooking with, and preserving 10 common herbs.

See More Results
Back to top