“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Biochemistry, Genetics and Molecular Biology162Agricultural and Biological Sciences116Medicine67Nursing66Technology: Chemical technology: Food processing and manufacture1Technology: Home economics: Nutrition. Foods and food supply1