Buttermilk with too low a viscosity

Case-based quiz on cultured milk products: buttermilk with too low a viscosity. 3 multiple-choice questions.

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A dairy is producing cultured buttermilk with too thin a consistency. Which change will improve the viscosity?

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All 3 questions in this quiz

A dairy is producing cultured buttermilk with too thin a consistency. Which change will improve the viscosity?
What role does the fat content play in the viscosity and stability of buttermilk?
Which bacterial culture is used to make buttermilk?

Sources

The questions are based on the Danish textbooks below and translated from the Danish. Main source: Mejerilære 2. Page numbers in the quizzes are the books' own; “unknown” means the page could not be established. The full tests also refer to Mælkekemi and Tetra Pak's Dairy Processing Handbook.

Waagner Nielsen, E. & Ullum, J. A. (2003). Mejerilære 1. [Dairy technology, vol. 1: general.] 4th edition, 1st printing. Erhvervsskolernes Forlag, Odense. ISBN 87-7881-397-2.
Waagner Nielsen, E. & Ullum, J. A. (2004). Mejerilære 2. [Dairy technology, vol. 2: products.] 5th edition, 1st printing (1st edition 1986). Erhvervsskolernes Forlag, Odense. ISBN 87-7881-484-7. [main source]
Stein Jensen, P. & Nielsen, J. J. (2006). Mikrobiologi. [Microbiology.] 5th edition (3rd printing 2022). Praxis Forlag A/S, Copenhagen. ISBN 978-87-7881-662-7.
Waagner Nielsen, E. & Buch Kristensen, J. M. (2006). Mikrobiologi og bioteknik. [Microbiology and Biotechnology.] 2nd edition. Erhvervsskolernes Forlag, Odense. ISBN 978-87-7881-666-5.
Stein Jensen, P. (2003). Mejeriproduktion. [Dairy Production.] 3rd edition, 1st printing. Erhvervsskolernes Forlag, Odense. ISBN 87-7881-411-1.
Statens Forsøgsmejeri [Danish State Experimental Dairy] (1961). 128. beretning. [Report no. 128.] Hillerød.

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This is an unofficial teaching and study tool. The quiz content was written for educational use on the basis of the textbooks listed, and translated from the Danish. Copyright in the original texts belongs to their authors and publishers (Erhvervsskolernes Forlag, Praxis Forlag and others) and is not affected by this.

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