Cite us: Teslić, N., Pojić, M., Stupar, A., Mandić, A., Pavlić, B., Mišan, A. (2025) PhInd—Database on Polyphenol Content in Agri-Food By-Products and Waste: Features of the Database. Antioxidants, 13, 97. https://doi.org/10.3390/antiox13010097
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DOI: https://doi.org/10.1111/1750-3841.15006

Year: 2020

Source:

Latin Name: Vitis vinifera L.
Common Name: Grape
Cultivar/variety: N.A.
Class: Fruit
Part: Skin
Origin: Spain
Industry: Wine production
Industrial process step:
Scale: Laboratory
Number of Lots: 1
Number of Replicates Within One Lot: 2
Moisture Content: N.A.

Pretreatment:

Sample: Non-treated
Defatting: No
Drying: No
Thermal/Non Thermal: No
Particle Size: N.A.

Extraction:

Technique: Enzyme-assisted extraction
Solvent: Aqueous ethanol
Hydrolysis: Yes

Total Phenols Content:

Unit: mg GAE/g sample
TPspectrophotometric: 8.94
TPhplc: 2.3
Unit: mg/g sample

Individual compounds

Polyphenol class

Individual Compounds:

Phenolic Acids / Derivatives Content STD Flavonoids / Derivatives Content STD Stilbenes / Derivatives Content STD Lignans Content STD Other Content STD
Delphinidin 3-O-glucoside 0.16000 0.13000
Cyanidin 3-O-glucoside 0.04000 0.03000
Petunidin 3-O-glucoside 0.20000 0.16000
Peonidin-3-O-glucoside 0.14000 0.10000
Malvidin 3-O-glucoside 0.99000 0.73000
Delphinidin-3-O-(6'-acetyl)-glucoside 0.03000 0.02000
Cyanidin-3-O-(6'-acetyl)-glucoside 0.02000 0.01000
Petunidin-3-O-(6'-acetyl)glucoside 0.04000 0.03000
Peonidin-3-O-(6'-acetyl)glucoside 0.05000 0.03000
Malvidin-3-O-(6'-acetyl)glucoside 0.30000 0.32000
Cyanidin-3-O-(6'-p-coumaroyl)glucoside 0.04000 0.04000
trans-Petunidin-3-O-(6'-p-coumaroyl)glucoside 0.05000 0.03000
cis-Malvidin-3-O-(6'-p-coumaroyl)glucoside 0.02000 0.01000
Peonidin-3-O-(6'-p-coumaroyl)glucoside 0.05000 0.03000
trans-Malvidin-3-O-(6'-p-coumaroyl)glucoside 0.17000 0.14000
∑TPHPLC: 2.3