• Skip to main content
  • Skip to footer
  • Cart
  • Account
  • Login

Denise Gardner Winemaking

  • Scroll
    • Services
    • About
    • Posts
    • Contact
  • Services
    • Services for Winemakers
    • Services for Wine Lovers
  • About
    • Meet Denise
    • Honors and Certifications
    • Client Testimonials
    • Media
    • Terms and Conditions
    • Privacy Policy
  • Learn
    • Articles
    • Cellar Tools
    • Lessons
    • Winemaking Q&A Summaries
    • Training Videos
  • Winemakers’ Blog
  • NOW
  • Search

YAN, Part 1: What is YAN?

How Does YAN Affect Wine Quality?

Yeast assimilable nitrogen (YAN) is constantly discussed in the wine industry. Yet, many winemakers need help understanding YAN and its importance.

YAN can affect both fermentation and wine quality.
Photo by: Denise M. Gardner

Webinar Curriculum:

  • Explains the nitrogen components that make up YAN.
  • Discusses the sources of YAN during primary fermentation.
  • Reviews variability surrounding YAN.
  • Explains how YAN contributes to wine quality.
  • Reviews the sulfate reduction pathway in yeast.
  • Discusses nitrogen needs for MLF.
  • Action items for the winemaker to better manage YAN during primary fermentation.

Video length: 38 minutes

…

Premium Content

Access reserved for Denise Gardner Winemaking Members and Consulting Clients.

Related Items:

April 2021: Q&A Summary

Demystifying Sulfur Dioxide

pH Explained: The Importance of pH in Wine

December 2023: Q&A Summary

Re-Starting a Stuck Malolactic Fermentation (MLF)

Footer

  • Services
  • Wine Lovers
  • Learn
  • Meet Denise
  • Winemakers’ Blog
  • NOW

info@dgwinemaking.com

  • Facebook
  • Instagram

Copyright © 2025 All Rights Reserved · Denise Gardner Winemaking · Terms and Conditions · Privacy Policy · Cookie Policy · Site by Tempora · Log in

Manage Cookie Consent

We use cookies to optimize our website. By using our services, you agree to our Cookie Policy for managing data.

Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
Manage options Manage services Manage {vendor_count} vendors Read more about these purposes
View preferences
{title} {title} {title}