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/10.3390/molecules26195918

Year: 2021

Source:

Latin Name: Vitis vinifera
Common Name: Grape
Cultivar/variety: Negramaro
Class: Fruit
Part: Pomace
Origin: Italy
Industry: Wine production
Industrial process step:
Scale: Industrial
Number of Lots: 1
Number of Replicates Within One Lot: 3
Moisture Content: N.A.

Pretreatment:

Sample: Pretreated
Defatting: No
Drying: Oven drying
Thermal/Non Thermal: No
Particle Size: N.A.

Extraction:

Technique: Solid-liquid extraction
Solvent: Aqueous ethanol
Hydrolysis: No

Total Phenols Content:

Unit: mg GAE/g
TPspectrophotometric: 127.87
TPhplc: 92.62
Unit: mg/g

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
Gallic acid 1.67000 0.30000 Catechin 19.20000 0.04000
Caffeic acid 0.72000 0.07000 Epicatechin 65.10000 0.72000
Caftaric acid 2.17000 0.06000 Quercetin-3-O-glucoside 1.36000 0.09000
Coutaric acid 0.21000 0.03600 Rutin 2.19000 0.21000
∑TPHPLC: 92.62