Table 1.
Analysis | Propolis extract |
---|---|
Cyanogenic heterosides | Absent |
Phenols and tannins | Present |
Anthocyanins and anthocyanidins | Absent |
Flavones, flavonols, and xanthones | Present |
Chalcones and aurones | Absent |
Leucoanthocyanidins | Absent |
Catechins | Absent |
Flavanones | Present |
Flavonols, flavanones, and/or xanthones | Present |
Steroids and triterpenoids | Absent |
Saponins | Absent |
Strong fixed acids | Absent |
Resins | Present |
Alkaloids | Absent |
Quaternary compounds | Absent |
Quinones | Absent |
Flavonoids aglycones | Absent |
Steroid aglycone triterpenoids | Absent |
Notes: present, positive reaction; absent, negative reaction.