TABLE 1.

Sources of natural compounds with anticancer activity

Category	Natural compounds	Main Source	References
Plants	Ginsenosides	Ginseng	[11, 12]
	Camptothecin (CPT)	Camptotheca acuminata	[14]
	Curcumin (CUR)	Turmeric	[22, 23]
	β‐elemene (β‐ELE)	Turmeric	[26]
	Gambogic (GA)	Han's Geng Huang resin	[28, 29]
	Tanshinone	Salvia miltiorrhiza	[32, 34]
	Licorice chalcone (LIC)	Licorice	[35, 37, 38, 39, 40, 41]
	Triptolide (TPL)	Tripterygium wilfordii	[42]
	Emodin (ED)	Rhubarb	[44]
	Berberine (BBR)	Coptis chinensis	[48]
	Epigallocatechin gallate (EGCG)	Green tea	[52, 53, 54]
	Resveratrol (RSV)	Grapes, red wine and peanuts	[56]
	Artemisinin	Artemisinin annua	[59]
	Silybin	Silymarin	[62]
	Cinnamon	Cinnamon	[70, 71]
Animals	Astaxanthin (ATX)	Shrimp, salmon, crab, red yeast and other marine animals	[73]
	Melittin	Bee venom	[77, 78]
	Snake venom	Snake	[81, 82, 83]
	Scorpion venoms	Scorpion	[85, 86, 87]
Microorganisms	Doxorubicin (Dox)	Penicillium Streptomyces	[21, 89]
	Staurosporine (STS)	Streptomyces and other actinomycetes	[92]
	Epothilone	myxobacteria and Cysticercus cellulosus	[95]
	Mitomycin C (MMC)	Streptococcus Kaisers	[21]
Marine organisms	Psammaplin A (PSA)	Psammaplysilla sponge	[104]
	Ecteinascidin−743 (ET−743)	Ecteinascidia turbinata	[108]
	Halichondrin B	Halichondria okadai, Axinella, Phakellia, and Lissodendoryx	[112]