Citrus sinensis (L.) Osbeck

D-Galacturonic acid (D-galUA), as the main component of pectin, is abundantly present in plants. The carboxyl group of D-Galacturonic acid can bind to metal cations. D-Galacturonic acid plays an important role in the food industry, pharmaceutical field, and heavy metal removal, among other aspects.

Octyl acetate is an orally active aliphatic ester. Octyl acetate has certain antioxidant properties. Octyl acetate contributes to the formation of fruit aroma and affects the flavor of fruits such as strawberries. Octyl acetate can be used in the research of malignant melanoma, colon cancer and breast cancer.

Scoparin is a C-glycosylflavone (chrysoeriol-8-C-glucoside) present in the juices of Citrus sinensis cultivars Sanguinello and Moro, as well as Citrus bergamia Risso and Citrus limetta Risso. Scoparin exhibits antioxidant activity.

7-Hydroxy-5,6,8,3',4'-pentamethoxyflavone is a polymethoxyflavone compound. 7-Hydroxy-5,6,8,3',4'-pentamethoxyflavone can be synthesized from naringin and hesperidin.

3'-Hydroxygynuramide II (compound t18:1/C24:0) is a kind of ceramide that can be found in Moro Blood Orange (Citrus sinensis).

7-epi-α-Cyperone is a natural sesquiterpene.

Clausarin is a selective inhibitor of P-glycoprotein (P-gp), inhibiting P-gp-mediated drug efflux. Clausarin significantly inhibits Daunorubicin (HY-13062A) efflux in K562/R7 human leukemia cells overexpressing P-gp (with Cyclosporin A (HY-B0579) as a positive control). Clausarin can be naturally extracted from the roots of Citrus sinensis (sweet orange) and can be used in research related to overcoming multidrug resistance (MDR) in tumors.

β-Citraurin is a carotenoid. Jasmonates induce β-Citraurin biosynthesis in citrus by activating a CsMPK6-CsMYC2 cascade, thereby affecting fruit coloration.

3',4',5',3,5,6,7-Heptamethoxyflavone (NSC 684433) is a product that can be isolated from .

Diosmetin 6,8-di-C-glucoside (Lucenin-2 4′-methyl ether) is a C-glycosyl flavonoid compound, which exhibits antioxidant activity.