Sodium sulfite effects on human liver cells in lab tests
What it found
In lab tests on human liver cells, sodium sulfite changed cell shape, slowed growth and triggered cell death.
Higher amounts and longer exposure made these effects stronger.
What they found
Animal and lab studies
Cell shape and growth
In lab tests on human liver cells, sodium sulfite changed the shape of the cells. It also slowed their growth and reduced their activity.
Cell death
The treated liver cells showed signs of programmed cell death. This happened more when the amount of sodium sulfite was higher or the exposure lasted longer.
Gene activity changes
Lab tests found 97 genes working differently in treated cells compared to untreated ones. Researchers checked 27 of these genes and confirmed that 13 were more active while 14 were less active.
How damage happens
The authors say sodium sulfite harms these liver cells by slowing growth, damaging mitochondria and pushing cells toward death.
What the authors conclude
- They conclude that sodium sulfite damages human liver cells by harming the energy-producing parts of the cell and triggering cell death.
- Their results show that this damage gets worse as the amount of sodium sulfite increases and as exposure time goes on.
How it was done
Sulfite is a common food additive used to stop nutrients breaking down and to bleach foods. The authors wanted to understand how it might harm the body if too much is used.
They tested sodium sulfite on human liver cells grown in a lab dish. They looked at changes in cell shape, growth and signs of cell death. They also measured activity in 27 genes linked to cell death, metabolism and inflammation.
What it can’t tell you
- We summarised it from the abstract only.
- These are lab tests on isolated liver cells, not studies in living people. They cannot show what happens when someone eats food containing sodium sulfite.
Who paid
- Funding
- Funded by National Natural Science Foundation of China (from the PubMed record).
- Authors work at
- Jiangsu University, People's Republic of China
The paper
- Title
- Mechanism analysis of toxicity of sodium sulfite to human hepatocytes L02
- Type
- Study
- Evidence
- Animals and lab studies
- Summarised from
- Abstract only
- Cite
- Han X, Zhu F, Chen L, Wu H, Wang T, Chen K (2020). Mechanism analysis of toxicity of sodium sulfite to human hepatocytes L02. Molecular and cellular biochemistry. doi:10.1007/s11010-020-03805-8PubMed 32632612DOI
Summary written 30 Sep 2026. Check it against the paper before it changes what you eat. How we summarise papers · Report an error