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.indcrop.2017.06.012

Year: 2017

Source:

Latin Name: Juglans regia L.
Common Name: Walnut
Cultivar/variety: N.A.
Class: Nut
Part: Bract,Leaf
Origin: Spain
Industry: Agricultural waste
Industrial process step:
Scale: Industrial
Number of Lots: 1
Number of Replicates Within One Lot: 6
Moisture Content: N.A.

Pretreatment:

Sample: Pretreated
Defatting: No
Drying: Other
Thermal/Non Thermal: No
Particle Size: 60-20 mesh

Extraction:

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

Total Phenols Content:

Unit: mg/g dw
TPspectrophotometric: 194.9
TPhplc: 38.9
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
3-O-Caffeoylquinic acid 8.60000 0.98000 Quercetin 3-O-glucoside 15.20000 1.11000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Quercetin O-pentoside 15.10000 0.95000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
∑TPHPLC: 38.9