Royal jelly contains approximately 1,000 μg/g of acetylcholine.
Notes on verification
Confirmed by peer-reviewed study (Liang et al. 2018) stating ~1000 μg/g, corroborated by independent analytical chemistry study (Wei et al. 2009) finding 912±58 μg/g using capillary electrophoresis, and consistent with a third study reporting millimolar concentrations. Minor variation between studies expected due to natural variability and methodology differences.
Sources
- Royal Jelly: Biological Action and Health Benefits - PMC (link.healthline.com)
- https://pubmed.ncbi.nlm.nih.gov/30119189/ (pubmed.ncbi.nlm.nih.gov)
- https://www.sciencedirect.com/science/article/abs/pii/S0753332218331299 (sciencedirect.com)
- https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/abs/10.1002/elps.200800721 (analyticalsciencejournals.onlinelibrary.wiley.com)
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4902251/ (ncbi.nlm.nih.gov)