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: Seed,Stem
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: 116.46
TPhplc: 716.84
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 38.44000 3.73000 Catechin 73.10000 1.89000
Protocatechic acid 16.23000 1.70000 Epicatechin 53.18000 0.24000
Procyanidin B1 88.87000 5.44000
Procyanidin B2 61.53000 2.37000
Procyanidin B2-3-O-gallate 62.71000 2.84000
Procyanidin trimer 76.99000 1.89000
Procyanidin tetramer 61.50000 0.24000
Quercetin-3-O-rutinoside 20.78000 1.26000
Quercetin-3-O-glucoside 142.20000 14.50000
Kaempferol-3-O-glucuronide 4.44000 0.38000
Kaempferol-3-O-glucoside 11.71000 0.88000
Isorhamnetin-3-O-glucoside 5.16000 0.31000
∑TPHPLC: 716.84