Malting and Raw Materials

Preparation for Malting

The Transformation of Barley to Malt


Structure, Testing, Malt, Barley, Specifications


In order to prepare for instruction on the specific malting process stages, this lecture will cover the initial steps necessary prior to the actual start of malting, namely the selection, storage, cleaning, and grading of malting barley.
This lecture will also introduce a basic overview of the malting process and review the history and evolution of the malting process.

Learning Objectives

  • The structure of the malting barley purchase specifications
  • The importance of germination testing
  • Malting barley intake inspection and acceptance procedures
  • Malting barley storage
  • Malting barley cleaning and grading procedures
  • Introduction to the malting process
  • The history and evolution of the malting process

Lecture developed by

Joe Hertrich

Joseph D. Hertrich is the retired Group Director, Brewing Raw Materials at Anheuser-Busch, Inc.  His responsibilities included the operation of the company’s malt plants, rice mills and hop farms, and the supervision of all facilities that produced and handled brewing raw materials for Anheuser-Busch products worldwide.
Prior to joining Anheuser-Busch, Mr. Hertrich held various positions in brewing with The Stroh Brewery Company, the Pabst Brewing Company, and the Christian Schmidt Brewing Company.  In retirement, he continues to consult, teach, write, and speak on his observations over 50 years in the U.S. brewing industry.  He is a faculty member at the Siebel World Brewing Academy lecturing in the Advanced Brewing Theory Course.  He also lectures at the MBAA Brewing and Malting Science Course and creates podcasts for MBAA Continuing Education.
Mr. Hertrich is a member of MBAA, ASBC, Brewers Association, and the Craft Maltsters Guild.  He is also a past member of the American Malting Barley Association and the Canadian Brewing and Malting Barley Research Institute.

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Enroll options

Lecture Duration (Narration)
35 minutes

Online Access to Lecture
10 days from time of purchase

Lecture Level


Lecture Duration
35 minutes

Online Access to Lecture
10 days from time of purchase



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