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/10.1016/j.seppur.2020.116640

Year: 2020

Source:

Latin Name: Malus domestica
Common Name: Apple
Cultivar/variety: Jonagold
Class: Fruit
Part: Skin
Origin: Italy
Industry: Fruit processing
Industrial process step: Peeling
Scale: Laboratory
Number of Lots: 1
Number of Replicates Within One Lot: 3
Moisture Content: 10%

Pretreatment:

Sample: Pretreated
Defatting: No
Drying: Oven drying
Thermal/Non Thermal: No
Particle Size: ˂ 550 μm

Extraction:

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

Total Phenols Content:

Unit: mg GAE/g DW sample
TPspectrophotometric: 62
TPhplc: 23.60
Unit: mg/g DW sample

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 0.40000 0.00000 Catechin 1.20000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
Protocatechuic acid 5.40000 0.00000 Epigallocatechin gallate 12.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Rutin 3.80000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 Quercetin 0.80000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000 0.00000
∑TPHPLC: 23.6