Ginger extract and blood metabolites in mice over five weeks
What it found
Mice fed ginger extract for five weeks had 20 ginger-related compounds in their blood that were absent in control mice.
The ginger diet also shifted natural chemical pathways in the animals.
What they found
Animal and lab studies
Ginger markers in blood
Using their custom database, the researchers found 20 ginger compounds in the blood of treated mice. None appeared in the control group. Without the custom database, none of these compounds could be accurately identified.
Body weight differences
After five weeks, mice eating the ginger diet weighed less on average than control mice (43.55 g compared with 45.98 g). Ginger-fed mice also ate slightly less food but drank more water each day.
Shifted chemical pathways
The ginger diet changed 19 natural chemical pathways in the mice. The biggest shifts involved purine metabolism and the production of three amino acids: phenylalanine, tyrosine, and tryptophan.
Purine compounds rose
Six specific purine-related compounds increased in the blood of ginger-fed mice compared to controls. The authors note that other research links some of these compounds to immune support and antioxidant activity.
Other findings
Custom database importance
Standard online databases only matched four ginger compounds, and even those matches were inaccurate. The custom library was required to correctly identify all 20 ginger markers.
What the authors conclude
- They conclude that building custom databases of food compounds is essential for finding accurate markers of what people eat.
- The authors advise that further studies in human samples are needed to confirm whether these mouse findings apply to people.
- They call for the broader scientific community to expand dietary databases so researchers can better link foods to potential health benefits.
How it was done
Scientists struggle to match food chemicals to health effects because public databases lack dietary information. The authors built a custom database of ginger compounds to test whether it could reveal markers of ginger intake and related body changes.
Nine male mice were split into two groups and fed either a normal diet or one containing 0.6% ginger extract for five weeks. Blood was collected at the end and analyzed using mass spectrometry to measure small molecules.
What it can’t tell you
- These results come from nine mice, so they cannot show what happens in people after eating ginger.
- Only about 17% of metabolic findings in animal models carry over to humans, according to a study the authors mention.
- The small number of animals used means some real differences might have been missed.
Who paid
- Funding
- Funded by NHLBI NIH HHS (from the PubMed record).
- Conflicts
- The authors declare no competing financial interest.
- Authors work at
- North Carolina Agricultural and Technical State University, United States
The paper
- Title
- Using Metabolomics to Identify the Exposure and Functional Biomarkers of Ginger
- Type
- Study
- Evidence
- Animals and lab studies
- Summarised from
- Full text
- Cite
- Esquivel-Alvarado D, Zhang S, Hu C, Zhao Y, Sang S (2022). Using Metabolomics to Identify the Exposure and Functional Biomarkers of Ginger. Journal of agricultural and food chemistry. doi:10.1021/acs.jafc.2c05117Free full textPubMed 36099064DOI
Summary written 1 Oct 2026. Check it against the paper before it changes what you eat. How we summarise papers · Report an error