# Starch, Food, Modified: Succinyl Distarch Glycerol

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**Safety rating:** UNKNOWN
**CAS number:** 977043-59-6
**Category:** stabilizer
**FDA GRAS:** no
**Adverse events (FDA AERS):** 0
**FDA recalls:** 0
**Last updated:** 2026-04-04

## Summary

Succinyl Distarch Glycerol is a modified food starch created through chemical modification of starch with succinic anhydride and glycerol. It functions as a stabilizer and thickener in food products, helping maintain texture and prevent separation in various processed foods.

## Regulatory status

| Country | Status |
| --- | --- |
| United States | approved |
| European Union | not_evaluated |
| United Kingdom | approved |
| Canada | approved |
| Australia | approved |
| Japan | approved |
| South Korea | approved |
| Brazil | approved |
| China | approved |
| India | approved |

## Detailed analysis

## What is Succinyl Distarch Glycerol?

Succinyl Distarch Glycerol is a chemically modified starch derived from native starch sources such as corn, potato, or tapioca. The modification process involves treating starch with succinic anhydride and glycerol to create a starch with enhanced functional properties. This modification creates ester cross-linkages that alter the starch's ability to absorb water and form gels, making it more useful in food manufacturing. The additive is identified by CAS Number 977043-59-6 and falls under the category of stabilizers and thickeners.

## Common Uses

Succinyl Distarch Glycerol is used in the food industry primarily as a stabilizer and thickener in products requiring improved texture stability. Common applications include dairy products such as yogurts and puddings, sauces, gravies, soups, and processed meat products. The additive helps prevent the separation of liquid from solid components, improves mouthfeel, and maintains consistent viscosity during processing, storage, and transportation. Modified starches like this one are particularly valuable in food systems exposed to varying pH levels, temperature fluctuations, or mechanical stress during processing.

## Safety Assessment

According to available FDA records, there have been zero adverse events and zero recalls associated with Succinyl Distarch Glycerol. The additive has not been granted GRAS (Generally Recognized as Safe) status by the FDA, which means it has not undergone the formal GRAS notification process. However, the absence of GRAS status does not indicate safety concerns; rather, it reflects the specific regulatory pathway chosen for this ingredient.

Modified starches as a class have been extensively studied for safety. The succinylation process used to create this additive is a well-established modification technique in food chemistry. Succinic acid and its derivatives are naturally occurring compounds found in foods and metabolic pathways. Glycerol is a common food ingredient with established safety. The chemical modification creates a compound that is not absorbed intact by the human digestive system; modified starches are typically broken down by digestive enzymes similarly to native starches.

Regulatory agencies have reviewed modified starch safety extensively. The European Food Safety Authority (EFSA) has evaluated various modified starches and generally found them safe when used as intended at appropriate levels. The lack of adverse event reports and recalls in FDA databases provides additional evidence of safe use in the marketplace.

## Regulatory Status

Succinyl Distarch Glycerol is not listed as a GRAS substance by the FDA, which means it is regulated as a food additive requiring pre-market approval or meeting specific regulatory exemptions. The additive may be approved for specific food categories under FDA regulations. Different countries have varying approval statuses; the ingredient may be approved in some regions while pending review or not approved in others. Food manufacturers using this additive must comply with applicable regulations in each country where their products are sold.

## Key Studies

While specific peer-reviewed studies on Succinyl Distarch Glycerol are limited in public literature, the safety profile of modified starches has been well-documented in scientific literature. Studies on succinylated starches have examined digestibility, metabolic fate, and toxicological properties. Research demonstrates that succinylated starches are hydrolyzed by enzymes in the small intestine similarly to native starches, with no evidence of bioaccumulation or systemic toxicity. The glycerol component has been extensively studied as a food ingredient and demonstrates clear safety when used at food levels.

## Sources

- FDA Substances Added to Food (CFSAN)
- OpenFDA Adverse Event Reporting System (AERS)
- OpenFDA Food Recalls
- EFSA OpenFoodTox
- EU Food Additive Portal

## Citation

Additive Facts. "Starch, Food, Modified: Succinyl Distarch Glycerol — Safety, regulation, and evidence." https://additivefacts.com/additives/starch-food-modified-succinyl-distarch-glycerol. Accessed 2026-05-20.