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Updated: Jun 4, 2026

One-step Metabolomics: Carbohydrates, Organic and Amino Acids Quantified in a Single Procedure
Published on: June 25, 2010
Noninvasive urinary organic acids test to assess biochemical and nutritional individuality in autistic children
1Institute of General and Ecological Chemistry, Department of Chemistry, Technical University of Lodz, 116 Zeromskiego Str., 90–924 Lodz, Poland. jkaluzna@p.lodz.pl
Insights
Organic acid testing revealed significant differences in urine levels between autistic and non-autistic children. These findings highlight potential biochemical abnormalities and individual nutrient needs in autism.
Area of Science:
- Biochemistry
- Neuroscience
- Pediatrics
Background:
- Quantitative organic acid testing provides insights into energy production, neurotransmitter metabolism, and intestinal dysbiosis.
- Nutritional individuality is a critical factor in managing autistic children.
- Identifying biochemical differences can aid in personalized interventions for autism.
Purpose of the Study:
- To investigate potential differences in urinary organic acid levels between autistic and non-autistic children.
- To explore the utility of organic acid testing in understanding biochemical profiles in autism.
Main Methods:
- Urinary organic acids were analyzed using capillary gas chromatography/mass spectrometry (GC/MS).
- Overnight urine samples were collected from 35 autistic children and 36 healthy controls, aged 4-10 years.
Main Results:
- Significant differences (p<0.05) were observed in the levels of several organic acids, including 2-oxoglutaric, isocitric, citric, 4-hydroxybenzoic, 4-hydroxyphenylacetic, hippuric, adipic, and suberic acids.
- These specific organic acids showed distinct patterns between the autistic and control groups.
Conclusions:
- Organic acid testing can identify biochemical abnormalities relevant to autism.
- This testing may assist in assessing individual nutrient requirements and guiding therapeutic strategies for autistic children.
Objectives:
Quantitative organic acid testing can give information about potential problems, especially with energy production, neurotransmitter metabolism, intestinal dysbiosis and nutritional individuality which is very important in autistic children. The aim of this study was to find out potential differences between the levels of organic acids in the urine of autistic and non-autistic children.
Design And Methods:
The organic acids in the urine were determined by capillary gas chromatography/mass spectrometry (GC/MS). All overnight urine samples were collected from 35 autistic children and 36 neurologically normal children as healthy controls (4-10 years).
Results:
Significant differences were found between the autistic children and the control group in organic acids: 2-oxoglutaric, isocitric, citric, 4-hydroxybenzoic, 4-hydroxyphenylacetic, hippuric, adipic, suberic (all with p<0.05).
Conclusion:
Organic acids test can be used to assess an individual need for nutrient and biochemical abnormalities, especially important for autistic children.
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