Allium cepa L.

(R)-1-PeCSO (trans-(+)-S-1-Propenyl-L-cysteine sulfoxide) is the most abundant flavor precursor in onions.

Spiraeoside, an orally active natural compound, exerts antioxidant activity, inhibits reactive oxygen species (ROS) and malondialdehyde production. Spiraeoside possesses antiallergic, anti-inflammatory and antitumor activities.

γ-Glutamyl-S-(2-carboxypropyl) cysteine TFA is a chemical intermediate. γ-Glutamyl-S-(2-carboxypropyl) cysteine can be used in the synthesis of Alliin (HY-N0661) and Isoalliin (HY-111825A).

3′-Methoxyfurano[4″,5″:3,4]chalcone (compound 2) is a selective A_2AAR antagonist (IC₅₀=33.5 nM) with high affinity. 3′-Methoxyfurano[4″,5″:3,4]chalcone is also a natural product obtained from the bark of Allium cepa L. 3′-Methoxyfurano[4″,5″:3,4]chalcone can promote T cell activation and can be used in cancer immunity research.

Methyl propyl disulfide is an orally administrable volatile sulfide present in onions. Methyl propyl disulfide reduces the activity of spermine N'1-acetyltransferase (SAT), inhibits cell proliferation, and decreases the induction of placental glutathione S-transferase (GST-P)-positive hepatocyte foci in rat livers. Methyl propyl disulfide can be used in studies related to the mechanism of hepatocarcinogenesis.

γ-Glutamyl-S-(2-carboxypropyl)cysteine monoTFA (Standard) is the analytical standard of γ-Glutamyl-S-(2-carboxypropyl)cysteine monoTFA. This product is intended for research and analytical applications. γ-Glutamyl-S-(2-carboxypropyl) cysteine TFA is a chemical intermediate. γ-Glutamyl-S-(2-carboxypropyl) cysteine can be used in the synthesis of Alliin (HY-N0661) and Isoalliin (HY-111825A).

Allium cepa polysaccharide is a polysaccharide derived from Allium cepa.

Ceparoside C is a steroidal saponin found in the seeds of Allium cepa L. Ceparoside C contains a furostanol aglycone (3β,26-dihydroxyfurosta-5,20(22)-diene) and a galactose sugar unit.

Isorhamnetin 3,4′-diglucoside is a flavonol diglucoside that can be isolated from red-skinned onions (Allium cepa L.) from southern Italy, shallots (Allium ascalonicum Hort.), Zea mays pollen, and flowers of Crocus chrysanthus-biflorus cultivars.

Quercetin 7,4′-diglucoside is a flavonol diglucoside and a derivative of Quercetin (HY-18085) that can be found in Allium cepa L. Quercetin is a natural flavonoid compound that can activate or inhibit the activity of many proteins.

Isorhamnetin 4′-glucoside is a flavonol monoglycoside and also a minor flavonoid component. Isorhamnetin 4′-glucoside can be isolated from red-skinned onions (Allium cepa L.) in southern Italy.

Quercetin dimer is a natural flavonoid.

Methyl propyl disulfide (Standard) is the analytical standard of Methyl propyl disulfide. This product is intended for research and analytical applications. Methyl propyl disulfide is an volatile sulfur-containing compound produced in garlic and onions with anticaner effect[1][2].

Spiraeoside (Standard) is the analytical standard of Spiraeoside. This product is intended for research and analytical applications. Spiraeoside, an orally active natural compound, exerts antioxidant activity, inhibits reactive oxygen species (ROS) and malondialdehyde production. Spiraeoside possesses antiallergic, anti-inflammatory and antitumor activities.

Cyanidin 3-(6′′-malonylglucoside) (Compound 3) is an anthocyanin that can be isolated from Bulbs of Red Onion, Allium cepa L.

Cepharadione A can be isolated from the roots of Piper betle Linn. Cepharadione A inhibits FMLP/CB induced elastase release by human neutrophils.

Quercetin-3,4-di-O-glucoside is a flavonoid that can be isolated from Allium cepa.