Malted Barley Extract

Malt houses sprout and dry barley for brewing and food making. Extract makers draw soluble material from the malt with warm water, separate the liquid from the grain, then remove water to concentrate it.^4,7,8

1. 01 // Source Barley grain Cleaned barley supplies the starch that malt enzymes break down into sugars.
2. 02 // Process Sprouted and dried Germination develops starch-breaking enzymes; drying stops the grain from growing.
3. 03 // Process Mashed and filtered Crushed malt meets warm water, then the sweet liquid is separated from the spent grain.
4. 04 // Process Concentrated Water is removed from the filtered liquid to make syrup; further drying produces powder.
5. 05 // Output Malt extract A sugar-rich syrup or powder reaches food makers for flavor and color.

1. 01

   Adds malt aroma

   A supplier sells extract for its malty taste and smell. That explains its flavoring role, although the tested malt diet showed no palatability advantage over the comparison diet.^2,8

2. 02

   Adds color and sweetness

   Concentrated malt sugars add sweetness, while the extract contributes a caramel color. It also supplies carbohydrate calories, but its contribution depends on how much the recipe contains.^1,8

3. 03

   Uses an existing supply

   Baking already uses malt extract for flavor, sweetness and color. Syrup and powder give food makers ready-made forms without preparing malt from grain themselves.^7,8

How much A controlled dog study used 1% malt extract in dry food; that tested amount is not a published industry norm.¹

1. Brands say

   It supplies carbohydrate calories

   Evidence

   1. Strong
   2. Some
   3. Thin
   4. None

   The tested dry extract was 73.2% sugars, so it supplies carbohydrate energy. The study used it at 1% of the diet, making it a minor calorie source in that recipe.¹

2. Brands say

   It improves gut health as a prebiotic

   Outruns the evidence

   Evidence

   1. Strong
   2. Some
   3. Thin
   4. None

   In a 12-dog crossover study, the malt diet had more Faecalibacterium and less Bifidobacterium than the control diet. It also replaced 1% swine fat, so the extract's effect cannot be isolated. Stool and measured fermentation products did not improve.^1,2

3. Brands say

   It strengthens a dog's immune defenses

   Outruns the evidence

   Evidence

   1. Strong
   2. Some
   3. Thin
   4. None

   The malt diet produced higher laboratory measures of lymphocyte proliferation in the same 12-dog study. The diets also differed in swine fat, and researchers measured markers rather than infections or illness. Better protection was not shown.^1,2

4. Brands say

   It makes kibble more appealing

   Outruns the evidence

   Evidence

   1. Strong
   2. Some
   3. Thin
   4. None

   A supplier promotes malt aroma, but the thesis reporting the 12-dog diet comparison found no palatability difference. Malt flavor is a plausible formulation aim; greater dog preference was not demonstrated.^2,8

5. Brands say

   Its active enzymes help dogs digest food

   Outruns the evidence

   Evidence

   1. Strong
   2. Some
   3. Thin
   4. None

   Non-diastatic malt has no starch-breaking activity, and the ingredient name does not promise active enzymes. Nutrient digestibility did not differ between the diets in the 12-dog study.^1,7