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
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: 593.32
TPhplc: 1402.33
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 100.58000 1.49000 Catechin 196.11000 22.79000
Protocatechic acid 22.09000 0.37000 Epicatechin 240.51000 7.43000
Procyanidin B1 173.87000 23.03000
Procyanidin B2 189.04000 0.01000
Procyanidin B2-3-O-gallate 171.23000 8.40000
Procyanidin trimer 158.94000 4.07000
Procyanidin tetramer 115.07000 2.39000
Quercetin-3-O-rutinoside 5.73000 0.13000
Quercetin-3-O-glucoside 22.63000 0.26000
Kaempferol-3-O-glucuronide 2.32000 0.13000
Kaempferol-3-O-glucoside 2.96000 0.05000
Isorhamnetin-3-O-glucoside 1.25000 0.08000
∑TPHPLC: 1402.33