Abstract：
:The following oligostilbenoids were isolated from extracts of Vitis vinifera L. Pinot Noir grape canes produced at a pilot-plant scale: (E)-ε-viniferin, (E)-resveratrol, (E)-piceatannol, ampelopsin A, vitisin B, pallidol, (E)-δ-viniferin, (E)-ω-viniferin, (E)-trans-cis-miyabenol C, isorhapontigenin, scirpusin A, and a new isomer named isoscirpusin A. The antioxidant capacity of the isolated stilbenoids was studied by three different assays, and their 50% inhibition concentration (IC50) against cancer cells was determined by MTT reduction assay. Besides (E)-resveratrol, stilbenoids have outstanding antioxidant capacity in the ORAC-FL assay. The strongest antiproliferative effect was observed for (E)-piceatannol and ampelopsin A against the bladder cancer cell line J82. (E)-Piceatannol has inhibitory effect on human lung cancer SK-MES-1 cells. Moreover, the whole extract has antiproliferative effect on all tested cell lines. In conclusion, beside (E)-resveratrol, grape cane extract contains oligostilbenoids with potential health benefits. This underexploited viticultural residue has the potential to produce valuable phytochemicals or ingredients in functional foods.
journal_name
Food Chemjournal_title
Food chemistryauthors
Sáez V,Pastene E,Vergara C,Mardones C,Hermosín-Gutiérrez I,Gómez-Alonso S,Gómez MV,Theoduloz C,Riquelme S,von Baer Ddoi
10.1016/j.foodchem.2018.05.050subject
Has Abstractpub_date
2018-11-01 00:00:00pages
101-110eissn
0308-8146issn
1873-7072pii
S0308-8146(18)30843-4journal_volume
265pub_type
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