Icariside D2, isolated from Annona glabra fruit, inhibits angiotensin-converting enzyme. Icariside D2 shows significant cytotoxic activity on the HL-60 cell line with the IC50 value of 9.0 ± 1.0 μM. Icariside D2 induces apoptosis .

Nε,Nε,Nε-Trimethyllysine chloride serves as a precursor for gut flora-dependent formation of N,N,N-trimethyl-5-aminovaleric acid (TMAVA).

Lycoramine hydrobromide, a dihydro-derivative of galanthamine, is isolated from Lycoris radiate. Lycoramine hydrobromide is a potent acetylcholinesterase (AChE) inhibitor.

Ilexsaponin B2 is a saponin isolated from the root of Ilex pubescens Hook. et Arn. Ilexsaponin B2 is a potent phosphodiesterase 5 (PDE5) and PDEI inhibitor with IC50 values of 48.8 μM and 477.5 μM, respectively.

Sinapine hydroxide is an alkaloid isolated from seeds of the cruciferous species. Sinapine hydroxide exhibits anti-inflammatory, anti-oxidant, anti-tumor, anti-angiogenic and radio-protective effects. Sinapine hydroxide is also an acetylcholinesterase (AChE) inhibitor and can be used for the research of Alzheimer’s disease, ataxia, myasthenia gravis, and Parkinson’s disease.

Cyanidin-3-O-galactoside chloride (Ideain chloride) is a component from extract peel of hawthorn fruit (EPHF) with the value of 179.4 mg/g. EPHF exhibits strong AChE inhibitory activity.

O-Desmethylangolensin is a metabolite of soy isoflavone, daidzein metabolized by gut microbiota. O-Desmethylangolensin possesses antioxidant activity.

Oxyresveratrol 3'-O-β-D-glucopyranoside is a phenolic compound isolated from Morus nigra root and is an effective tyrosinase inhibitor with an IC50 of 1.64 μM.

Oxyresveratrol 2-O-β-D-glucopyranoside is a phenolic compound isolated from Morus nigra root and is an effective tyrosinase inhibitor with an IC50 of 29.75 μM.

β-Amyrenonol (11-Oxo-β-amyrin), an oleanolic-type triterpenoid in licorice roots, is a precursor of Glycyrrhetinic acid. β-Amyrenonol has anti-proliferative and anti-inflammatory activities, and β-Amyrenonol could function as the skeleton for the synthesis of many triterpenoids.

Ayanin is a bioflavonoid isolated from Croton schiedeanus Schlecht. Ayanin is a non-selective phosphodiesterase1-4 inhibitor and can be used for the study of respiratory disease,such as allergic asthma et al.

(+)-Afzelechin, isolated from rhizomes of Bergenia ligulata, is an alpha-glucosidase activity inhibitor with an ID50 (50% inhibition dose) value of 0.13 mM. (+)-Afzelechin can delay the absorption of carbohydrates in food to suppress postprandial hyperglycemia and hyperinsulinemia.

Osthenol (Ostenol), a prenylated coumarin isolated from the dried roots of Angelica pubescens, is selective, reversible, and competitive human monoamine oxidase-A (hMAO-A) inhibitor (Ki=0.26 μM). Osthenol potently inhibits recombinant hMAO-A with an IC50 of 0.74 μM and shows a high selectivity index for hMAO-A versus hMAO-B.

Physostigmine hemisulfate (Eserine hemisulfate) is a potent cholinesterase inhibitor. Physostigmine hemisulfate crosses the blood-brain barrier and stimulates central cholinergic neurotransmission. Physostigmine hemisulfate induces reanimation from isoflurane anesthesia in adult rats.

Picfeltarraenin X, a triterpenoid isolated from Picria fel-terrae Lour, is an AChE inhibitor.

(S)-Higenamine ((S)-Norcoclaurine) hydrobromide, a S-enantiomer of Higenamine, is the entry compound in benzylisoquinoline alkaloid biosynthesis. (S)-Higenamine hydrobromide is produced by the condensation of dopamine and 4-hydroxyphenylacetaldehyde (4-HPAA) by norcoclaurine synthase (NCS).

(S)-Higenamine ((S)-Norcoclaurine), a S-enantiomer of Higenamine, is the entry compound in benzylisoquinoline alkaloid biosynthesis. (S)-Higenamine is produced by the condensation of dopamine and 4-hydroxyphenylacetaldehyde (4-HPAA) by norcoclaurine synthase (NCS).

Propylparaben sodium (Propyl parahydroxybenzoate) is an antimicrobial preservative which can be produced naturally by plants and bacteria. Propylparaben sodium is prevalently used in cosmetics, pharmaceuticals, and foods. Propylparaben sodium disrupts antral follicle growth and steroidogenic function by altering the cell-cycle, apoptosis, and steroidogenesis pathways. Propylparaben sodium also decreases sperm number and motile activity in rats.

3-O-Methylquercetin (3-MQ), a main constituent of Rhamnus nakaharai, inhibits total cAMP and cGMP-phosphodiesterase (PDE) of guinea pig trachealis. 3-O-Methylquercetin (3-MQ) exhibits IC50 values of 31.9 μM， 86.9 μM， 18.6 μM and 1.6 μM for PDE1, PDE5, PDE2 and PDE4, respectively.

3',4'-Dihydroxyacetophenone (3,4-DHAP), isolated from Picea Schrenkiana Needles exhibits a strong suppressive action against tyrosinase activity, with an IC50 of 10 μM. 3',4'-Dihydroxyacetophenone (3,4-DHAP) is a vasoactive agent and antioxidant.

Vomifoliol, a compound related to abscisie acid (ABA), has a modified 2,4-pentadiene side chain and has activity equal to that displayed by ABA. Vomifoliol exhibits antiacetylcholinesterase activity and displays moderate antileishmanial activity.

Jatrorrhizine?hydroxide is an alkaloid isolated from?Coptis chinensis with neuroprotective, antimicrobial, antiplasmodial and antioxidant activities. Jatrorrhizine hydroxide is a potent and orally active inhibitor of?AChE?(IC50=872 nM) over >115-fold selectivity for BuChE. Jatrorrhizine hydroxide reduces uptake of serotonin (5-HT) and norepinephrine (NE) via inhibition of uptake-2 transporters.

α-Angelica lactone is a naturally occurring anticarcinogen and an vinylogous nucleophile. α-Angelica lactone can give the chiral δ-amino γ,γ-disubstituted butenolide carbonyl derivatives and exhibitselectrophilic trapping at the γ-carbon. α-Angelica lactone exerts strong chemoprotective effects by selective enhancement of glutathione-S-thansferase (GST) and UDP-glucononosyltransferase (UGT) detoxification enzymes.

Lumisterol (9β,10α-Ergosterol), a steroid compound, is the (9β,10α)-stereoisomer of Ergosterol. Lumisterol is a photoprotective agent against UVB-induced DNA damage and anti-proliferative activities.

Indole-2-carboxylic acid is a strong inhibitor of lipid peroxidation. Indole-2-carboxylic acid (I2CA) specifically and competitively inhibits the potentiation by glycine of NMDA-gated current.

7-Ethoxyresorufin (Resorufin ethyl ether) is a fluorometric substrate and competitive inhibitor of cytochrome P450, especially CYP1A1. 7-Ethoxyresorufin also inhibits NO synthase.

Resorufin methyl ether (Methoxyresorufin) is a cytochrome P450 fluorometric substrate. Resorufin methyl ether is a relatively specific substrate for CYP1A2 activity in rodents.

ATP dipotassium (Adenosine 5'-triphosphate dipotassium) is a central component of energy storage and metabolism in vivo, provides the metabolic energy to drive metabolic pumps and serves as a coenzyme in cells. ATP dipotassium is an important endogenous signaling molecule in immunity and inflammation.

Fluazifop-P-butyl, a graminicide from arylophenoxypropionate group, is a acetyl-CoA carboxylase (ACCase) inhibitor.

Allantoic acid is a degradative product of uric acid and associated with purine metabolism.