[1] Connett B E, et al. Chemistry of hop constituents. Part XXXIV. Methylation of some hop resins[J]. Journal of the Chemical Society C: Organic, 1969 (2): 340-344.
[2] Makri A, et al. Colupulone, colupone and novel deoxycohumulone geranyl analogues as larvicidal agents against Culex pipiens. Pest Manag Sci. 2022 Oct;78(10):4217-4222. DOI:
10.1002/ps.7039[3] Li Y, et al. Identification of colupulone and lupulone as the main contributors to the antibacterial activity of hop extracts using activity-guided fractionation and metabolome analysis. Food Res Int. 2023 Jul;169:112832. DOI:
10.1016/j.foodres.2023.112832 
