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/10.1016/j.foodres.2018.04.060

Year: 2018

Source:

Latin Name: Vitis vinifera
Common Name: Grape
Cultivar/variety: Zalema
Class: Fruit
Part: Pomace
Origin: Spain
Industry: Wine production
Industrial process step: Vinification
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: ˂2 mm

Extraction:

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

Total Phenols Content:

Unit: mg GAE/g extract
TPspectrophotometric: 237.15
TPhplc: 757.87
Unit: mg/g extract

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 64.59000 3.26000 Catechin 63.08000 0.48000
Protocatechic acid 20.71000 1.23000 Epicatechin 60.87000 1.68000
Procyanidin B1 65.54000 0.96000
Procyanidin B2 72.46000 0.24000
Procyanidin B2-3-O-gallate 64.06000 1.44000
Procyanidin trimer 60.27000 0.48000
Procyanidin tetramer 57.46000 0.48000
Quercetin-3-O-rutinoside 21.21000 2.30000
Quercetin-3-O-glucoside 174.71000 11.76000
Kaempferol-3-O-glucuronide 5.55000 0.64000
Kaempferol-3-O-glucoside 22.52000 1.02000
Isorhamnetin-3-O-glucoside 4.84000 0.13000
∑TPHPLC: 757.87