Final Flashcards
(135 cards)
Structure: Simple phenolic
•Aromatic (benzene) ring with an OH group

Structure: Tannins
astringents – phenolic acids with ester linkages to a central glucose

Structure: Coumarins

Structure: furanocoumarins

Structure: Chromones

Structure: Furanochromones

Structure: Anthraquinones

Structure: Lignans
•Dimeric compounds formed by two phenylpropene derivatives

Structure: Stilbenes
Example: Resveratrol

Structure: Flavanoids- flavone

Structure: Flavanoids - Flavonols

Structure: Flavanoids – Flavanones

Structure: flavanoids – Isoflavones

Which of the phenolic classes are volatile?
Eugenol
What is a glycoside?
•Phenolic compound with a sugar group
What is a glycone?
The sugar moiety of a glycoside is known as the glycone
What is an aglycone?
•phenolic portion of a glycoside is the aglycone
How are Anthraquinones used medicinally?
•many are pigments, most well known class of plant-based laxatives and purgatives. Many occur as glycosides.
What is the difference among anthocyanins, anthocyanidins, and proanthocyanidins
All are pigments
anthocyanins are glycocides– anthocynadins with a sugar moiety
Anthocyanidins are structurally related to flavones, but carry a charge
Proanthocyanidins are related to flavonoid pigments, but have no sugar moiety. Oligomers and polymers of flavan-3-ol moieties
Which classes of phenolic compounds act as phytoestrogens?
Lignans
Explain why, from a chemical standpoint, phenolic compounds have antioxidant properties.
lots of double bonds allow them to have resonance stabilization
How many carbon are in a monoterpene?
•10-carbon molecules
How many carbons are in a sesquiterpene?
15 carbons
How many carbon are in a diterpene?
20