stem bark

(2E)-3-(1,3-Benzodioxol-5-yl)-2-propenoic acid displays EC50 values of 73.5 μM against T. cruzi. trypomastigotes.

4-Isopropylbenzoic acid (Cumic acid) is an aromatic monoterpenoid isolated from the stem bark of Bridelia retusa. 4-Isopropylbenzoic acid shows antifungal activities. 4-Isopropylbenzoic acid is also a reversible and uncompetitive mushroom tyrosinase inhibitor.

Malaysianol D, a trimeric oligostilbene 29 derivative, is a natural product found in the stem bark of Dryobalanops beccarii. Malaysianol D exhibits antiproliferative activity.

Pinoresinol dimethyl ether is a nonphenolic furan lignan isolated from the stem bark of Magnolia kobus with neurological activity. It stimulates upstream MAPK, PKC and PKA pathways and induces neural protrusion growth in PC12 cells.

Mahanimbidine, a terpenoid alkaloid, is extractable from the leaves and stem bark of Murraya koenigii Spreng [1] [2].

Erythrodiol diacetate (Compound 4) is a triterpenoid derived from the stem bark of *Erythrina eriotriocha* [1].

Chisocheton compound F, a natural product, can be isolated from the stem bark of Melia toosendan [1].

4-Hydroxycanthin-6-one is a novel quinoline alkaloid isolated from the stem bark of Ailanthus altissima. Additionally, five other known compounds were identified. The structure of the new compound was established through analysis of physical and spectral data, and its absolute configuration was determined using electronic circular dichroism and quantum chemical calculations. These compounds exhibit significant inhibitory activity on lipopolysaccharide (LPS)-induced nitric oxide (NO) production in RAW 264.7 cells, indicating potential anti-inflammatory properties.

Caulophyllogenin is a partial PPARγ agonist (EC50 = 12.6 μM) derived from the stem bark of Kalopanax pictus (Araliaceae). Caulophyllogenin inhibits pro-inflammatory cytokine secretion and can be used in studies about the prevention and treatment of inflammatory diseases, type-2 diabetes, obesity and metabolic syndrome.

Cotoin, a natural product isolated from the stem bark of Garcinia virgate, exhibits antispasmodic activity by reducing the tone and contraction of isolated rabbit intestine. It partially inhibits the effects of acetylcholine, trichothecenes, and BaCl on the isolated intestine.

Evofolin B is a natural compound isolated from the stem bark of Zanthoxylum ailanthoides. Evofolin B has an inhibitory effect on the superoxide anion produced by human neutrophils in response to formyl-L-methionine-L-leucine-L-phenylalanine/cytochalasin B (fMLP/CB).

4'-O-Methyllicoflavanone is isolated from the stem bark of Erythrina orientalis and shows antioxidant activity against DPPH radical with an IC50 value of 648.1 μM.

Abyssinone V is a natural compound isolated from the stem bark of Erythrina melanacantha and an inhibitor of protein tyrosine phosphatase-1B (PTP1B).

Salaspermic acid, a triterpenoid isolated from the stem bark of Kokoona ochracea, is an inhibitor of HIV reverse transcriptase and HIV replication in H9 lymphocytes, and can be used to study HIV infection.

N-Formylcytisine ((-)-N-Formylcytisine) is a natural product isolated from the stem bark of Maackia amurensis.

Alashinol G ((-)-Carinol) is isolated from the stem bark of Syringa pinnatifolia, a Mongolian folk medicine with anti-myocardial ischaemic effects.

Magnoloside F is a natural product found in the stem bark of Magnolia officinalis.

3β-Acetoxyurs-12-en-11-one (11-Ketoamyrinacetate) is an ursane triterpene natural product present in the stem bark of Morus mesozygia and the leaves of Ficus hirta Vahl (Moraceae).

2,5-Dihydroxy-7-methoxyflavanone, a flavonoid compound, can be isolated from the stem bark of F. enghiana [1].

Sitosterone, a steroid isolated from the stem bark of Syzygium aqueum, exhibits cytotoxic properties.

Kurchessine (Sarcodinine), an alkaloid, is extracted from the stem bark of Holarrhena antidysenterica.

Epoxymurin A is a compound that can be isolated from the stem bark of Annona Muricata. It is utilized in studies related to the biosynthetic pathway of acetogenins in soursop.