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/10.1007/s1169 4-020-00596 -w

Year: 2020

Source:

Latin Name: Vitis vinifera L.
Common Name: Grape
Cultivar/variety: Le Tizourine Bou Afraraet
Class: Fruit
Part: Leaf
Origin: Algeria
Industry: Agricultural waste
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: Shade drying
Thermal/Non Thermal: No
Particle Size: ˂125 µm

Extraction:

Technique: Microwave-assisted extraction
Solvent: Aqueous ethanol
Hydrolysis: No

Total Phenols Content:

Unit: mg GAE/g extract
TPspectrophotometric: 53.6
TPhplc: 41.059
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 0.00500 0.00000 Epicatechin 0.06000 0.01000 trans-Piceid 0.06000 0.00000
Caftaric acid 1.66000 2.72000 Procyanidin B1 0.50000 0.10000 cis-Piceid 0.14000 0.01000
Catechin 0.02000 0.00000 trans-Resveratrol 0.01000 0.00000
Quercetin 3-O-glucoside 9.83000 1.51000 cis-Resveratrol 0.00400 0.00000
Quercetin 0.84000 0.17000
Quercetin 3-O-glucuronide 19.10000 4.94000
Quercetin-3-O-rutinoside 2.43000 0.76000
Kaempferol 0.13000 0.03000
Kaempferol-3-O-glucoside 2.83000 4.05000
Kaempferol-3-O-rutinoside 3.44000 0.52000
∑TPHPLC: 41.059