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.sajb.2018.05.030

Year: 2018

Source:

Latin Name: Hypericum perforatum L.
Common Name: St. John's wort
Cultivar/variety: N.A.
Class: Herb
Part: Flower
Origin: North Macedonia
Industry: Herb 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: Other
Thermal/Non Thermal: No
Particle Size: N.A.

Extraction:

Technique: Ultrasound-assisted extraction
Solvent: Aqueous methanol
Hydrolysis: No

Total Phenols Content:

Unit: N.A.
TPspectrophotometric: N.A.
TPhplc: 238.05
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
Quinic acid 1.11000 0.09000 Catechin 4.64000 0.32000 Pseudohypericin 1.67000 0.34000
Chlorogenic acid (3-caffeoylquinic acid) 10.55000 1.55000 B-type procyanidin dimer 10.02000 1.54000 Hypericin 1.04000 0.27000
3-p-Coumaroylquinic acid 2.13000 0.11000 Procyanidin trimer 10.37000 1.64000 Protopseudohypericin 0.06000 0.01000
3-Feruloylquinic acid 1.27000 0.12000 B-type procyanidin dimer 16.35000 2.61000 Hyperforin 28.13000 4.53000
(Epi)catechin 17.59000 2.69000 Adhyperforin 3.17000 0.65000
Hyperoside (quercetin 3-O-galactoside) 19.37000 2.07000 Dimethylmangiferin 4.62000 0.55000
Rutin (quercetin 3-O-rutinoside) 65.08000 4.82000 Xanthone derivative 3 1.65000 0.18000
Quercitrin (quercetin 3-O-rhamnoside) 6.04000 0.43000
Kaempferol 3-O-rutinoside 2.21000 0.31000
Cyanidin 3-O-glycoside 0.45000 0.04000
Cyanidin 3-O-rhamnoside 2.28000 0.38000
B-type procyanidin dimer 6.48000 0.54000
Quercetin 0.42000 0.03000
I3–II8 Biapigenin 20.71000 3.13000
Amentoflavone 0.64000 0.05000
∑TPHPLC: 238.05