Cite us: Teslić, N., Pojić, M., Stupar, A., Mandić, A., Pavlić, B., Mišan, A. (2024) 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/10.3390/antiox8120597

Year: 2019

Source:

Latin Name: Vitis vinifera 
Common Name: Grape
Cultivar/variety: N.A.
Class: Fruit
Part: Stem
Origin: Spain
Industry: Wine production
Industrial process step:
Scale: Laboratory
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: 300 µm

Extraction:

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

Total Phenols Content:

Unit: mg of quercetin/g DW
TPspectrophotometric: 0.11
TPhplc: 1929
Unit: μg/g dry matter

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 106.00000 47.00000 Catechin 696.00000 359.00000 trans-Resveratrol 150.00000 73.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Quercetin 23.00000 11.00000 trans-ε-Viniferin 301.00000 160.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Quercetin derivative 471.00000 213.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Malvidin-3-glucoside 64.00000 24.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Anthocyanin 118.00000 49.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
∑TPHPLC: 1929