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/10.31883/pjfns/117716

Year: 2020

Source:

Latin Name: Vitis vinifera L.
Common Name: Grape
Cultivar/variety: Isabell
Class: Fruit
Part: Pomace
Origin: Croatia
Industry: Fruit processing
Industrial process step: Juice extraction
Scale: Industrial
Number of Lots: 1
Number of Replicates Within One Lot: 3
Moisture Content: N.A.

Pretreatment:

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

Extraction:

Technique: High-voltage electric discharge assisted extraction
Solvent: Aqueous ethanol
Hydrolysis: Yes

Total Phenols Content:

Unit: mg GAE/100g DW sample
TPspectrophotometric: 3023.57
TPhplc: 408.62
Unit: mg/100 g DW 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
Gallic acid 4.21000 0.05000 Catechin 53.68000 0.07000
p-Coumaric acid 5.97000 0.06000 Epicatechin 53.19000 0.29000
Caffeic acid 54.09000 0.01000 Quercetin 45.31000 0.06000
Cyanidin-3-O-glucoside 22.44000 0.04000
Peonidin-3-O-glucoside 32.08000 0.09000
Malvidin 88.09000 0.15000
Delphinidin 49.56000 0.11000
∑TPHPLC: 408.62