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. 2022 May 9;13:842576. doi: 10.3389/fimmu.2022.842576

Table 3.

Flavonoids (34-53) and isoflavonoids and derivates (54-60) with antivenom properties.

Compound Plant Activity inhibited Venom or toxin Snake Reference
34 hesperetin Citrus sinensisP enzimatic SVSP C. simus (118, 165)
35 pinostrobin Renealmia alpiniaL enzimatic, myotoxicity, proteolytic, hemolytic, coagulant Venom, PLA2 C. d. cumanensis, B. asper (104)
36 hesperidin C. sinensis enzimatic, hemorrhagic, lethality Venom, HAase C. adamenteus (103)
37 apigenin - enzimatic, hemorrhagic, lethality Venom, HAase C. adamenteus, C. atrox, N. n. sputatrix (119, 120, 164)
38 luteolin - enzimatic, hemorrhagic, lethality Venom, HAase C. adamenteus, C. atrox, N. n. sputatrix (119)
39 pectolinarigenin A. integrifoliaL enzimatic PLA2, HAase B. atrox (166)
40 hispidulin A. integrifoliaL enzimatic PLA2, HAase B. atrox (166)
41 morelloflavone Garcinia madrunoA enzimatic, coagulant, myotoxicity, edematogenous PLA2 C. d. cumanensis (167)
42 quercetin Phyllanthus klotzschianusA, Morus nigraL, Erythroxylum ovalifoliumL, E. subsessileS enzimatic, edematogenous, proteolytic, lethality Venom, HAase B. jararacussu, Lachesis muta, B. jararaca, N. naja (104, 117, 168, 171)
43 kaempferol - enzimatic, hemorrhagic, lethality Venom, HAase C. adamanteus, C. atrox, N. n. sputatrix (119, 120)
44 fisetin - enzimatic PLA2 C. atrox (164)
45 myricetin - enzimatic, proteolytic, hemorrhagic Venom, PLA2 C. atrox, B. atrox (164, 172)
46 quercitrin - enzimatic PLA2 C. atrox (164)
47 quercetin-3-O-rhamnoside Euphorbia hirtaWP enzimatic, hemolytic, lethality, edematogenous Venom, PLA2, HAase N. naja (173)
48 rutin E. ovalifoliumS, E. subsessileS hemorrhagic Venom L. muta (164, 168)
49 taxifolin - enzimatic PLA2 C. atrox (164)
50 catechin Scolopia chinensisS enzimatic PDE-I - (110)
51 gallocatechin Schizolobium parahybaL hemorrhagic, fibrogenolytic, myotoxicity Venom, SVMP, PLA2 B. jararacussu, B. neuwiedi, B. alternatus (93)
52 epigallotechin gallate - enzimatic, cytotoxicity PLA2 C. d. cumanensis (162)
53 butein Butea monosperma enzimatic Daboxina (PLA2) D. russelii (174)
54 harpalycin 2 Harpalyce brasilianaL enzimatic, edematogenous, myotoxicity Venom, PLA2, PrTX-III B. pirajai (95, 96)
55 7,8,3’-trihydroxy-4’-methoxyisoflavone Dipteryx alataS myotoxicity, neuromuscular Venom, BthTX-I B. jararacussu (98)
56 edunol Brongniartia podalyrioidesR, H. brasilianaR morthality, myotoxicity, proteolytic, enzimatic Venom, PLA2 B. atrox, B. jararacussu (99, 102)
56a bioisostere H. brasilianaSS myotoxicity Venom B. jararacussu (99)
57 cabenegrins A-I Annona crassifloraR lethality Venom B. atrox (176)
58 cabenegrins A-II A. crassifloraR lethality Venom B. atrox (176)
59 wedelolactone Eclipta prostrateSY proteolytic, myotoxicity Venom, PLA2 B. jararacussu (66)
59a analogue of wedelolactone E. prostrateSY myotoxicity Venom B. jararacussu (66)
60 demethylwedelolactone E. albaR myotoxicity PLA2 C. d. terrificus, B. jararacussu (177)

L, leaves; R, roots; S, stem; SS, semi-synthetic; A, aerial; P, peels; SY, synthesis. Hyaluronidase, HAase; Phosphodiesterase I, PDE-I; Phospholipase A2, PLA2; Metalloproteinase, SVMP; Serine protease, SVSP.