Malt, Barley, Germination, Equipment, Transformation
This lecture covers the purpose of germination and its role in the overall malting process, the equipment requirements for germination, and examples of the two major germination equipment configurations, with the pros and cons of each configuration.
With an understanding of germination equipment and utility requirements, the germination process sequence, and the tools that the maltster uses to manage the germination process are discussed in detail.
This lecture concludes with a definition of the required germination outcome and a restatement of the key issues and risk areas that exist in the germination process.
Lecture developed by
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.
A review of barley and malt first requires a need to establish the fundamentals that link barley, the malting...