Distillers dried grains is a
co-product of ethanol production. The significant residue of cooked and
fermented grain that remains after distillation of the alcohol has a high
content of protein, fat, fiber, vitamins, and minerals. It is widely used as
animal feed and in other applications.
Assessing the quality of dried distillers grains with solubles (DDGS) is important for bioethanol producers
and distillers, poultry and livestock feed manufacturers, for end users in aquaculture
and microbial fermentation, and for laboratories involved with sales or
regulation at all stages in the value chain.
Laboratories that participate in the AOCS Laboratory Proficiency Program DDGS series demonstrate their ability
to assess ash, crude fat, crude fiber, moisture and protein using a number of
AOCS, AOAC and NFTA methods in the world’s the world's most extensive and respected collaborative proficiency testing program, providing assurance to internal and external
stakeholders.
Analysts who participate in all quarters of the series can
apply to be an Approved
Chemist. Approval is earned by superior performance during the previous LPP
year. Labs with Approved Chemists for the 2020-2021 DDGS series include:
Amspec LLC., Cumberland Valley Analytical Services, Eurofins Central Analytical
Laboratory Inc. (New Orleans, LA), Eurofins Scientific Inc. (Des Moines, IA),
Hahn Laboratories, Inc., Imperial Western Products, Intertek Agri Services, Isotek Laboratories, Inc., SDK Laboratories,
Inc., and Thionville Laboratories LLC.
Labs with Approved Chemists are
featured in the AOCS
Recommended Lab Directory.
If you have questions about this program, please contact Dawn Shepard, Laboratory Program Manager, AOCS, dawns@aocs.org.
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