The acid can also be extracted from the oil of chamomile flowers, and 85% of Roman chamomile (Anthemis nobilis) oil consists of esters of angelic and tiglic acids; it also contains isobutyl angelate and amyl angelate. The acid content is highest in Angelica archangelica where it is about 0.3%.
The extraction of this acid can be facilitated by utilizing the oil from chamomile flowers, with Roman chamomile (Anthemis nobilis) oil containing a significant proportion of angelic and tiglic acid esters; it also includes specific compounds such as isobutyl angelate and amyl angelate. The highest concentration of this acid is noted in Angelica archangelica, at about 0.3%.