Product name

Scientific/vernacular name

Antimicrobial or HP

enzyme inhibitor

MIC

(µg/ml)

MIC90

(µg/ml)

MBC

(µg/ml)

Reference

PHENOLICS AND LACTONES

Epigallocatechin 3-gallate

Green tea

Urease inhibitor

32

[13] [97]

Sulforaphane (SFN)

Broccoli

Antimicrobial

Bactericidal,

Antiurease, bactericidal

2 - 4

2.8 - 5.6

[98]

[99]

[103]

Dehydrocostus lactone

Magnolia sieboldii

Antimicrobial

4

[104]

FLAVONOIDS

Glucoraphamin

Broccoli

[100]

Ponciretin

Antimicrobial

10 - 20

[101]

Licorice

Glycirrhiza uralensis

Antimicrobial

[102]

Vestitol,licoricone, 1MeOPhaseolidine,

gancaonol C

Glycirrhiza uralensis

Antimicrobial against

Clarithromycin and amoxicillin resistant

3.2

[102]

Cirsimaritin

G. uralensis

Antimicrobial

6.3

[102]

ISOFLAVONES

Cirsilineol

Hyptis fasciculata

Antimicrobial

3.2

[105]

Cirsimaritin

Hyptis fasciculata

Antimicrobial

6.3

[105]

Irisolidone

Pueraria thunbergiana

Antimicrobial

12.5 - 25

[106]

Luteolin (phytoestrogen)

Terminalia arjuna

Inhibe NAT & human cancer cells

Inhibes N. gonorrhoeae

12.5/disk*

[107]

[108]

[109]

[110]

[111]

[112]

Quercetin, Naringenin

Inhibes VacA

0.046 - 0.36 mM

---

[113]

Glabridin (GutGardÒ)

Glicyrriza glabra

Inhibes: Protein synthesis, DNA gyrase &DHF reductase

---

[114]

COUMARINS

Auraptene

Grapefruit

Inhibes adhesion to gastric gastric cells, interferes CD74

---

[115]

CAFFEATES

Caffeic acid phenethyl ester (CAPE)

Propolis

Inhibes deformylase

[24]

Caffeic esters (Heptycaffeate)

Inhibes ROS species

250

[116]

ESSENTIAL OILS

Lemon grass oil

Cymbopogon citrates

Reduce HP colonization

0.01%

[117]

Fish oil

Antibacterial activity

[118]

Garlic oil

(98% allyl/methyl sulfides)

Allium sativum

Antibacterial activity

Antibacterial activity

32.4

32.4

[119]

[120]

Carvacrol, terpinene

S. bachtiarica

Antibacterial activity

-----

[121]

aTerpineol

Pistacia lentiscus

Antibacterial activity

1 - 16

[122]

MISCELANEOUS

Protopanaxotriol

Arialiaceae /Ginseng

Inhibits HP growth

50

[28]