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: http://dx.doi.org/10.1016/j.indcrop.2017.10.012

Year: 2018

Source:

Latin Name: Vitis vinifera
Common Name: Red grape
Cultivar/variety: N.A.
Class: Fruit
Part: Pomace
Origin: Brazil
Industry: Wine production
Industrial process step: Depulping
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: 270.8 μm

Extraction:

Technique: Ultrasound-assisted extraction
Solvent: Aqueous ethanol
Hydrolysis: No

Total Phenols Content:

Unit: mg GAE/g
TPspectrophotometric: 80
TPhplc: 4.444
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
Galic acid 0.17400 0.01100 Malvidin-3-O-glucoside 1.11500 0.02100
Protocatecuic acid 0.00700 0.00100 Petunidin-3-O-glucoside 0.15500 0.00700
p-Coumaric acid 0.01500 0.00100 Peonidin-3-O-glucoside 0.16500 0.00700
Elagic acid 0.04600 0.00300 Delphinidin-3-O-glucoside 0.06500 0.00100
Vanilic acid 0.08600 0.01400 Cyanidin-3-O-glucoside 0.01100 0.00100
Catechin 0.48600 0.08200
Epicatechin 0.50100 0.06100
Rutin 0.53500 0.00400
Quercetin 0.76100 0.03500
Myricetin 0.17300 0.01000
Kaempferol 0.04700 0.00100
Isorhamnetin 0.10200 0.00300
∑TPHPLC: 4.444