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.foodchem.2020.127616

Year: 2021

Source:

Latin Name: Malus domestica
Common Name: Apple
Cultivar/variety: N.A.
Class: Fruit
Part: Pomace
Origin: Italy
Industry: Fruit processing
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: Freeze drying
Thermal/Non Thermal: No
Particle Size: N.A.

Extraction:

Technique: Ultrasound-assisted extraction
Solvent: Mixture
Hydrolysis: No

Total Phenols Content:

Unit: mg/100 g
TPspectrophotometric: 440
TPhplc: 678.79
Unit: μg/g

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
Protocatechuic acid 11.24000 1.27000 Catechin 9.63000 0.80000 Resveratrol 5.04000 0.33000 Vanillin 4.72000 0.58000
Chlorogenic acid 122.40000 5.75000 Epicatechin 54.66000 6.33000 Syringin 12.14000 1.07000
Caffeic acid 4.94000 0.18000 Isoquercetin 48.72000 4.32000 4-Ethyl catechol 15.45000 0.25000
Syringic acid 3.95000 0.51000 Quercetin 18.30000 0.47000 Phlorizin 136.89000 5.44000
3-Hydroxybenzoic acid 122.23000 10.11000 Kaempferol 1.58000 0.07000
p-Coumaric acid 3.19000 0.80000 Rutin 12.48000 0.06000
Ferulic acid 9.26000 0.63000 Hyperoside 65.17000 4.04000
Sinapic acid 0.71000 0.03000
(E)-Cinnamic acid 3.88000 1.17000
Phloretic acid 6.60000 0.02000
Hydroferulic acid 5.61000 0.01000
∑TPHPLC: 678.79