| Isolate |
Bark source |
Researched activity |
| Paclitaxel, taxanes |
Taxus |
chemotherapeutic |
| Paeonol |
Paeonia suffruticosa[1] |
various |
| Honokiol, 4-O-methylhonokiol, magnolol, obovatol |
Magnolia |
neurotrophic & anti-inflammatory |
| Salicylic acid |
Salix alba |
antipyretic, analgesic |
| Yohimbine, corynanthine, ajmalicine, rauwolscine |
west African evergreen |
MAOI, stimulant |
| beta-carbolines, harmala alkaloids |
numerous |
MAOI |
| Cinnamon, camphor, cinnamaldehyde |
Cinnamomum |
blood sugar stabilizer, antioxidant |
| Quinine, quinidine, cinchonidine, cinchonine |
Cinchona |
antipyretic, analgesic, antimalarial |
| Safrole |
Sassafras |
|
| Huáng bǎi |
Amur cork tree (Phellodendron amurense) |
TCM |
| Strictamine |
Alstonia scholaris |
|
|
Slippery Elm (Ulmus rubra) |
demulcent |
| Geniposidic acid |
Eucommia ulmoides |
|
| N-methyltryptamine, serotonin analogs |
numerous species from Brazil, Mexico, Taiwan |
serotonin agonist, neuroimmunologic modulator |
| Quassin |
Quassia amara |
various |
| Celastrol |
Tripterygium wilfordii[2] |
various |
| Mitraphylline |
Cat's claw (Uncaria tomentosa) |
anti-inflammatory |
| Ellagic acid, rutin, gallic acid, ethyl gallate[3] |
Ailanthus altissima |
various |
| Coronaridine, voacangine, ibogamine, ibogaine, tabernanthine |
Voacanga africana, Tabernanthe iboga |
neuroimmunologic modulator |
| Lapachol, quercetin |
Pau D'Arco (Handroanthus impetiginosus) |
therapeutic naphthoquinone |
| Icariin |
Eucommia |
PDE5 inhibitor |
| Baicalin |
Oroxylum indicum |
prolyl endopeptidase inhibitor |
| Frankincense, incensole |
Boswellia sacra, Boswellia |
incensole is a TRPV3 agonist |
| QS21 |
Quillaja saponaria (soap bark tree) |
potential immunologic adjuvant |
| Sandalwood oil, α-Santalol, β-Santalol |
Sandalwood (Santalum) |
Ayurvedic component |
| Bergenin, α-viniferin, ε-viniferin, diptoindonesin A |
Bergenia ligulata, Dryobalanops aromatica, Mallotus japonicus |
component of Ayurvedic medicine "Paashaanbhed" |
| Phenolic lactones |
Caesalpinia paraguariensis |
component of Bolivian traditional medicine |
| Erythravine |
Erythrina mulungu |
Brazilian medicinal plant |
| Antimicrobial, anti-inflammatory compounds |
Psidium guajava (Guava tree) |
component of traditional medicine |
| Perfume resin |
Agarwood / Oud Wood |
aromatherapy |
| Opopanax, balsam, bdellium, bisabol |
Myrrh (Commiphora) |
component of Eastern-Mediterranean, Middle-Eastern, and North-African, traditional medicine |
| Rotenoids, piscidone |
Jamaican dogwood (Piscidia piscipula) |
component of Caribbean traditional medicine |
|
