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Table 3 Absorption, distribution, metabolism, excretion, and toxicological properties of the selected compounds

From: Virtual screenings of the bioactive constituents of tea, prickly chaff, catechu, lemon, black pepper, and synthetic compounds with the main protease (Mpro) and human angiotensin-converting enzyme 2 (ACE 2) of SARS-CoV-2

Compounds

Molecular Weight (M.W) (g/mol)

HBD

HBA

log P (o/w)

HIA

Carcinogenicity (binary)

Violation score

Caffeine

194.19

0

6

−1.03

0.9824

0.9429

0

Theaflavin

564.50

12

9

2.21

0.9836

0.9571

3

Achyranthine

129.16

1

2

0.02

0.9021

0.9571

0

Betaine

117.15

0

2

−1.56

0.9333

0.7316

0

Catechin

290.27

5

6

1.55

0.9887

0.9286

0

Kaempferol

286.24

4

6

2.28

0.9881

0.6985

0

Limonene

136.24

0

0

3.31

0.9692

0.5856

0

Sabinene

136.24

0

0

3.00

0.9828

0.7286

0

Piperine

285.34

0

3

3.00

0.9639

0.9198

0

Pinene

136.24

0

0

3.14

0.9677

0.7286

0

Favipiravir

157.10

2

3

−0.99

0.9612

0.9286

0

Hydroxychloroquine

335.88

2

4

3.78

0.9934

0.8429

0

  1. HBD hydrogen bond donor, HBA hydrogen bond acceptor, LogP lipophilicity, HIA human intestinal absorption