Related Experiment Video
Updated: Apr 21, 2026

09:23
Quantification of Information Encoded by Gene Expression Levels During Lifespan Modulation Under Broad-range Dietary Restriction in C. elegans
Published on: August 16, 2017
8.7K
Statement on data provided for subgroup 1.1.1. of FGE.19.
EFSA Journal. European Food Safety Authority
|April 20, 2026
Summary
The CEF Panel requires more genotoxicity data for chemical subgroup 1.1.1 of FGE.19. Further testing is needed before a full scientific opinion can be adopted, following the 2008 strategy.
Area of Science:
- Food Safety
- Toxicology
- Chemical Safety
Background:
- The CEF Panel reviewed data for chemical subgroup 1.1.1 of FGE.19.
- Genotoxicity assessment is crucial for chemical safety evaluations.
Purpose of the Study:
- To evaluate the available data for chemical subgroup 1.1.1 of FGE.19.
- To determine if a full scientific opinion could be adopted based on the provided data.
Main Methods:
- Evaluation of submitted representative data for chemical subgroup 1.1.1.
- Assessment against the genotoxicity test strategy adopted by the CEF Panel in 2008.
Main Results:
- The provided data was insufficient for adopting a full scientific opinion.
- The Panel identified a need for additional genotoxicity data.
Conclusions:
- A full scientific opinion for chemical subgroup 1.1.1 of FGE.19 cannot be adopted at this time.
- Additional data generation, following the 2008 genotoxicity test strategy, is required.
Related Concept Videos
Identifying Statistically Significant Differences: The F-Test
4.3K
The F-test is used to compare two sample variances to each other or compare the sample variance to the population variance. It is used to decide whether an indeterminate error can explain the difference in their values. The underlying assumptions that allow the use of the F-test include the data set or sets are normally distributed, and the data sets are independent of each other. The test statistic F is calculated by dividing one variance by another. In other words, the square of one standard...
4.3K
F Distribution
11.1K
The F distribution was named after Sir Ronald Fisher, an English statistician. The F statistic is a ratio (a fraction) with two sets of degrees of freedom; one for the numerator and one for the denominator. The F distribution is derived from the Student's t distribution. The values of the F distribution are squares of the corresponding values of the t distribution. One-Way ANOVA expands the t test for comparing more than two groups. The scope of that derivation is beyond the level of this...
11.1K

