Natural Products in Plants

Question 1

quinones

Answer 1

antibacterial target, responsible for browning fruit, source of stable free radicals

Question 2

flavonoids

Answer 2

synthesized in response to infection, yellow or orange pigment, strongly antioxidant

Question 3

tannins

Answer 3

astringent properties, polyphenolic natural products, antidiarrheic

Question 4

coumarins

Answer 4

phytoalexins, stimulate macrophages, anti-inflammatory, vasodilatory

Question 5

glycosides

Answer 5

attached to a sugar, (cardiac: heart rhythm) (anthraquinone: laxative)

Question 6

alkaloids

Answer 6

cyclic nitrogen, psychoactive effects, microbiocidal effects, (xanthine: stimulant)