Description
A natural-positioning antimicrobial produced by fermentation of dextrose with Propionibacterium freudenreichii or related cultures. The fermentate concentrates propionic acid, acetic acid, and other natural antimicrobial metabolites into a cultured-ingredient format that supports clean-label preservative replacement.
Cream to light tan free-flowing powder with mild fermented aroma. Used as the dominant clean-label alternative to Calcium Propionate in bakery applications, where it appears on the label as 'cultured dextrose' rather than as a chemical preservative name.
We supply food-grade Cultured Dextrose from manufacturers in China holding ISO, Halal, Kosher and other certifications relevant to the product and production. Non-GMO and organic-compliant grades are available on request.
Common market grades include Standard Cultured Dextrose for bakery applications, High-Activity Variant for stronger antifungal performance, and pre-blended Cultured Dextrose with cultured wheat or other natural antimicrobial systems for enhanced activity.
Bulk and reduced-MOQ shipments. Batch-level COA covering propionic acid content, acetic acid content, total plate count, yeast and mold, and pathogen testing.
Introduction
Cultured Dextrose is produced by submerged fermentation of dextrose using Propionibacterium freudenreichii or related propionic-acid bacteria, the same organisms responsible for the holes and characteristic flavor of Swiss cheese.
The fermentation generates propionic acid, acetic acid, and minor diacetyl in defined ratios within the dextrose substrate, producing a finished ingredient that is technically a fermentate rather than a chemical preservative. The active antimicrobial compounds are functionally equivalent to those in conventional propionate preservatives, but appear on the finished product label as 'cultured dextrose' rather than 'calcium propionate' or similar chemical names.
Regulatory status varies by application: classified as a permitted food ingredient by the U.S. FDA and equivalent regulators, with no Acceptable Daily Intake assigned because the active components are naturally occurring fermentation metabolites.
The molecule's antimicrobial mechanism is identical to Calcium Propionate at the molecular level: propionic acid inhibits molds and rope-forming bacteria but does not inhibit Saccharomyces cerevisiae yeast fermentation.
Strategic positioning serves the clean-label and natural-positioning bakery segment specifically. The price premium over conventional Calcium Propionate is substantial (typically 200 to 400 percent higher per unit of antifungal activity) and limits use to brands where the 'cultured dextrose' label declaration delivers commercial value that justifies the cost.
Where it is used
- Clean-label and natural-positioning bread, rolls, tortillas, and bakery products as Calcium Propionate alternative
- Premium retail bakery brands requiring 'cultured' rather than 'preservative' ingredient labeling
- Organic-certified bakery products where conventional preservatives are not permitted
- Refrigerated dough products in clean-label brands
- Premium tortillas and flatbreads
- Cheese applications requiring natural-positioning antifungal protection
- Pet food and natural pet treats with clean-label positioning
- Ready-to-eat refrigerated meals in natural and clean-label brands
Technical data
| Item | Specification |
|---|---|
| Appearance | Cream to light tan free-flowing powder |
| Propionic acid content | ≥ 10% |
| Acetic acid content | ≥ 3% |
| Loss on drying | ≤ 5.0% |
| pH (10% solution) | 4.0 to 5.5 |
| Total plate count | ≤ 1000 cfu/g |
| Yeast and mold | ≤ 100 cfu/g |
| E. coli | Negative |
| Salmonella | Negative |
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