Table 1.

Compounds identified from selected medicinal and aromatic plants for the different phenolic classes.

Phenolic Compound	Phenolic Subcategory	Medicinal/Aromatic Plant	Reference
Phenolic acids and derivatives
Syringic acid, gallic acid	Hydroxybenzoic acid	Moringa oleifera	[27]
Gallic acid, vanillic acid 3,4-dihydroxybenzoic acid, 4-hydroxybenzoic acid, syringic acid		Peganum harmala	[22]
Caffeic acid, p-coumaric acid	Hydroxycinnamic acid	Origanum vulgare L., Salvia officinalis L., Thymus vulgaris L., Ocimum basilicum L.	[28]
Vanillin	Hydroxybenzoic acid derivative	T. vulgaris	[29]
Rosmarinic acid	Hydroxycinnamic acid derivative	Rosmarinus officinalis L., Mentha canadensis L.	[28]
Stilbenes
Piceatannol glucoside, resveratroloside, piceid	Stilbene glycosides	Polygonum cuspidatum	[30]
Trans-rhapontin, cis-rhapontin and trans-desoxyrhaponticin	Stilbene glycosides	Rheum tanguticum Maxim. ex Balf.	[31]
Coumarins
Scopoletin, fraxetin, aesculetin, fraxin, aesculin	Coumarins, coumarin glycosides	Fraxinus rhynchophylla.	[32]
Herniarin	Coumarin	Matricaria chamomilla	[33]
Kayeassamin I, mammeasin E, mammeasin E	Geranylated coumarins	Mammea siamensis	[34]
Lignans
Phyllanthin, hypophyllanthin, niranthin, nirtetralin, 5-demethoxy niranthin, virgatusin, heliobuphthalmin lactone and bursehernin	Lignans	Phyllanthus amarus	[35]
Schisanchinin A, schisanchinin B, schisanchinin C, schisanchinin D	Dibenzocyclooctadiene lignans	Schisandra chinensis	[36]
Quinones
7-methlyjuglone	Naphthoquinone	Drosera rotundifolia	[37]
Aloe-emodin, emodin, chrysophanol, physcoin and rhein	Anthraquinones	Rheumpalmatum and Rheum hotaoense	[38]
Curcuminoids
Curcumin, demethoxycurcumin and bis-demethoxycurcumin	Curcuminoids	Curcuma longa	[39]
Flavonoids
Luteolin, apigenin, apigenin-O-glucuronide, luteolin-O-glycoside, orientin, apigenin-6,8-di-C-hexoside	Flavones and flavone glycosides	Origanum majorana	[40]
Daidzein, glycitein, genistein, formononetin, prunetin, biochanin A and daidzin, genistin	Isoflavone aglycones and isoflavone glycosides	Medicago spp.	[41]
Kaempferol 3-O-glucoside, isorhamnetin 3-O-galactoside	Flavonol glycosides	Tephrosia vogelii	[42]
Kaempferol 3-O-rhamnoside, rutin and quercetin 3-O-glucoside		M. oleifera	[27]
Naringenin-O-rhamnoglucoside, hesperidin, isosakuranetin-O-rutinoside	Flavanone glycosides	Mentha pulegium	[40]
Taxifolin, taxifolin methyl ether, dihydrokaempferide	Flavanonols	O. majorana	[40]
Gallocatechin, catechin	Flavan-3-ols	M. pulegium	[40]
Tannins
Granatin A, punicalagin, peduncalagin I, ellagic acid, ellagic acid glucoside, ellagic acid pentoside, punigluconin	Ellagitannins	Punica granatum	[43]