Articles by Henry Randolph

Quality on the Line

Controlling listeria in a dairy plant

The dairy industry has learned quite a bit about Listeria since a major outbreak in 1985.
June 15, 2013
The dairy industry has learned quite a bit about Listeria since a major outbreak in 1985. Controlling Listeria is an issue of effective cleaning, not sanitizer effectiveness.
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How to control L. mono

These are the bad bugs in dairy plants. USDA and FDA surveys have reported that Listeria is present in more than 10% of all raw milk from commercial U.S. dairy farms.
June 8, 2012
Listeria monocytogenes (L. mono)is a gram-positive bacterium and a specific member of the Listeria family. It is capable of causing severe illness and even death. The mortality rate from L. monoin susceptible populations is one of the highest of any known food pathogen. Individuals with compromised immune systems are particularly vulnerable.
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Tips for training plant employees

March 18, 2012
Effective training of plant and quality assurance personnel is essential to achieving quality and food safety standards. The training should involve both technical and practical applications of the process. In addition, it must involve all employees, especially Bubba and his counterparts — Junior, Leroy, “They” and “Supposed To.”
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The New Food Safety Law Requires Action

March 1, 2011
In general, prior to the mid-1980s, the sanitation of non-product contact surfaces on the environment was not a high priority.
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Quality on the Line

October 1, 2009
Is HACCP enough to keep your plant out of the headlines?
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Quality on the Line

March 1, 2009
Improving Quality by Line Sampling and Stress Testing
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Quality on the Line: QA: Managing Laboratory Data

November 1, 2006
The primary goal of quality assurance (QA) is to ensure safety and quality attributes of products produced and distributed by a processing plant.
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Quality on the Line: Curing "The Monday Morning Blues"

August 1, 2006
A guide to reducing bacteria counts in dairy products produced following weekend or mid-week "down days"
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Quality on the Line

June 1, 2006
Ropy Milk: A Serious Quality Problem in 2006!
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Quality on the Line: Identifying Spoilage Bacteria and Potential Shelf-Life Problems

April 5, 2006
The dairy industry loses millions of dollars every year from product deterioration caused by spoilage bacteria. Spoilage bacteria result in shorter shelf life and decreased quality for milk products. By identifying the specific types and numbers of microbes involved, we can improve shelf life and quality by reducing bacterial contamination.
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Image Galleries

Agropur, Natrel Division USA, St. Paul, Minn.

 At its Natrel Division plant in St. Paul, Minn, Agropur makes rBST-free white and flavored milk, heavy whipping cream, half n half, buttermilk, organic milk, nutritional drinks and shakes and sport drinks. Nondairy beverages (soy, rice, coconut, and almond) coffee creamers, broth and sauces. 


This photo gallery contains additional, unpublished photos of dairy processing facilities featured in Dairy Foods magazine. To view more Behind the Scenes galleries go to our archives page!

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Dairy Foods Magazine

april 2014 dairy foods

2014 April

A look inside Agropur; Plus we profile two cultured dairy companies.

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Tharp & Young on Ice Cream: An Encyclopedic Guide to Ice Cream Science and Technology

An at once an all-inclusive guide to the meaning of hundreds of technical terms and ideas needed for ice cream manufacturing, as well as a practical introduction to the ingredients, freezing methods, flavoring, and packaging of ice cream, sherbet, sorbet, gelato, frozen yogurts, novelties and many other kinds of frozen desserts.

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Dairy Foods Buyers Guide

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