Acylation greatly affects the UV absorption of flavonol glycosides. For example, the λmax of flavonol glycosides (band I) normally shifts to 310−312 nm when they are combined with p-coumaroyl
Acylation greatly affects the UV absorption of flavonol glycosides. For example, the λmax of flavonol glycosides(band I) normally shifts to 310−312 nm when they are combined with p-coumaroyl