Articles by Greg Aldrich, PhD

Why is rye rarely used in petfood?

There are no substantial technical, nutritional or performance issues associated with rye that would limit its use for pets
Rye is a fairly common ingredient in human foods and beverages. The most prevalent occurrence is in crackers and breads. Be it a light American rye, a dark German rye, heavy whole-grain pumpernickel rye or a slightly bitter rye with caraway, rye gets its share of notoriety in baked goods.
Read More

Calcium carbonate: safe, effective, economical for pet diets

This is the ingredient most often used for vital calcium fortification.
Calcium is a vital nutrient for growth and sustained pet health. It is a principal structural component of bone and teeth, facilitates blood clotting binding-proteins, serves as a key conductor of nerve signals, initiates muscle contractions, activates select physiological enzymes and buffers pH changes.
Read More

Is L-carnitine beneficial in ‘diet’ petfoods?

Home feeding studies would help determine if this ingredient is a practical tool for combating pet obesity
L-carnitine is a supplemental amino acid (ingredient) commonly found in low-fat, “light” or so-called diet foods for both dogs and cats. For the most part, the body produces an adequate amount of carnitine (L-isomer metabolite) to fulfill its role in the conversion of fatty acids into usable energy.
Read More

Rosemary extract acts as natural antioxidant

This common ingredient is most effective in dry petfoods that use high levels of polyunsaturated fats and marine oils.
  Rosemary extract is a common ingredient found on dry petfood labels, typically at or near the bottom of the ingredient listing. While rosemary extract is generally viewed with favor by pet owners, it doesn’t provide nutritional fortification, it doesn’t provide medicinal support for any specific ailment, nor does it enhance the taste appeal of the food (for pets).
Read More

Citric acid suffers from misperceptions and misplaced blame

Internet claims have led some pet owners to doubt the safety and utility of this natural functional ingredient
In petfood, citric acid is a common additive used mostly in the fat preservative (antioxidant) system. Food and nutrition experts consider this ingredient a natural functional compound, which, at its worst, is benign to pet health and wellness. However, increasingly pervasive internet claims have led some pet owners to doubt its safety and utility.
Read More

Vitamin A – a balancing act

Supplementation of this essential vitamin requires ensuring enough, but not too much, is in the diet the day it is eaten
In an age of extremes and absolutes, vitamin A serves as a potent example of the necessity of balance in diet and nutrition. This is an important vitamin that has a direct effect on vision, the endocrine system in many ways and gene expression modulation.
Read More

Protein from potatoes?

Potato protein has features that make it a viable candidate for petfood applications
The terms potato and protein don't often come up in the same sentence--probably because we think of potatoes solely as a starch source. But in our ever-expanding search for useful ingredients in the petfood industry, potato protein, a concentrated extract from the potato tuber, has turned up in several specialty petfoods in the last couple of years.
Read More

Is vitamin C needed?

Why is supplementing with vitamin C so common in petfoods?
Vitamin C (ascorbic acid) was discovered in 1928 as the agent in citrus that prevented scurvy. The structure of what was then called hexuronic acid was identified by Haworth in 1933, and a process for its synthesis was described by Reichstein in that same year.
Read More

Vitamin D -- for pets, sunlight isn't enough

Diets for dogs and cats must be fortified with this essential nutrient.
We read a great deal about vitamin D in the popular press these days. Beyond the age-old deficiency diseases, it is now reported that supplemental vitamin D in people has an influence on a wide range of conditions including cognitive function, osteoporosis, fatigue, diabetes, cancer and more.
Read More

Peas in petfood

The lowly pea appears to be an effective ingredient for the next generation of dog and cat diets
As petfood companies and pet owners continue to explore a broader range of ingredient options, the lowly pea (Pisum sativum) has been gaining in popularity. Not to be confused with the fresh or succulent green pea, the type that is being used in an ever widening array of applications is dried peas.
Read More

Advertisement

Advertisement

Advertisement

Advertisement

Advertisement