Grape Seed Extract (Grape Seed P.E.) is exudate from seeds of the grape plant Vitis vinifera, composed of oils and secondary plant metabolites (BIOFLAVONOIDS and polyphenols) credited with important medicinal properties.

2-Isobutyl-3-methoxypyrazine (3-Isobutyl-2-methoxypyrazine) is a RIFM fragrance commonly used in the food and cosmetic industries.

(+)-Hopeaphenol is isolated from A. indica (L.) and V. indica Linn with an IC50 value of 21.21 μM in α-glucosidase inhibition assay.

Vitisin A ((+)-Vitisin A) is a resveratrol tetramer that can be isolated from the roots of Vitis vinifera and possesses antioxidant, anticancer, antiapoptotic, neuroprotective, and anti-inflammatory activities.It ameliorates the impaired learning and memory functions of scopolamine-induced amnesia in ICR mice, and can be used in the study of degenerative diseases.

1-(3',5'-dimethoxy)phenyl-2-[4''-O-β-D-glucopyranosyl (6→1)-O-α-L-rhamnopyranosyl]phenylethane showed cytotoxic activities to Hela and hep2 cell lines.

Vomifoliol is most likely the immediate precursor of dehydrovomifoliol, because of the organism converted abscisic acid (ABA), to dehydrovomifoliol as the major metabolise, and a cell-free extract exhibits vomifoliol dehydrogenase activity. Vomifoliol and

Viniferol D is a natural product from Vitis vinifera.

cis-Miyabenol C exhibits antioxidative activities and shows strong hyaluronidase inhibitory effects. cis-Miyabenol C also has ecdysteroid antagonist activity.

Pinostilbenoside is a natural product of Vitis, Vitaceae. The catalog number is TN5643 and the CAS number is 58762-96-2. Pinostilbenoside can be used as a reference standard.

Procyanidin B4 reveals significant antioxidant activity

Astringinin is a potent antiarrhythmic agent with cardioprotective activity in ischemic and ischemic-reperfused rat heart, the beneficial effects of astringinin in the ischemic and ischemic-reperfused hearts may be correlated with its antioxidant activity and upregulation of NO production.

1-Octacosanoyl glyceride, a natural product of Vitis (Vitaceae), can be used as a reference standard. Its catalog number is TN2560, and its CAS number is 71035-02-4.

Epifriedelanol exhibits antibacterial activities. It also can reduce cellular senescence in human primary cells and may be used to develop dietary supplements or cosmetics that modulate tissue aging or aging-associated diseases. Epifriedelanol and friedel