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.2016.06.030

Year: 2016

Source:

Latin Name: Vitis vinifera L.
Common Name: Red grape
Cultivar/variety: Tinta Barroca
Class: Fruit
Part: Stem
Origin: Portugal
Industry: Wine production
Industrial process step: Destemming
Scale: Laboratory
Number of Lots: 3
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: N.A.

Extraction:

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

Total Phenols Content:

Unit: N.A.
TPspectrophotometric: N.A.
TPhplc: 85.58
Unit: mg/g dw

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
Caftaric acid 14.75000 0.85000 Isorhamnetin-3-O-(6-O-feruloyl)-glucoside 1.56000 0.10000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Malvidin-3-O-glucoside 18.17000 1.12000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Quercetin-3-O-rutinoside 2.20000 0.14000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Quercetin-3-O-glucuronide 30.44000 1.88000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Kaempferol-3-O-rutinoside 1.31000 0.08000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Kaempferol-3-O-glucoside 0.48000 0.03000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Malvidin-3-O-(6-O-caffeoyl)-glucoside and Malvidin-3-O-rutinoside 12.93000 0.80000 Viniferin 3.74000 0.23000 0.00000 0.00000 0.00000 0.00000
∑TPHPLC: 85.58