Oak (Quercus Frainetto Ten.) Honeydew Honey - Approach to Screening of Volatile Organic Composition and Antioxidant Capacity (DPPH and FRAP Assay). Jerković, I. & Marijanović, Z. 15(5):3744–3756.
Oak (Quercus Frainetto Ten.) Honeydew Honey - Approach to Screening of Volatile Organic Composition and Antioxidant Capacity (DPPH and FRAP Assay) [link]Paper  doi  abstract   bibtex   
Two samples of oak honeydew honey were investigated. Headspace solid-phase microextraction (HS-SPME) combined with GC and GC/MS enabled identification of the most volatile organic headspace compounds being dominated by terpenes(mainly cis- and trans-linalool oxides). The volatile and less-volatile organic composition of the samples was obtained by ultrasonic assisted extraction (USE) with two solvents (1:2 (v/v) pentane -diethyl ether mixture and dichloromethane) followed by GC and GC/MS analysis. Shikimic pathway derivatives are of particular interest with respect to the botanical origin of honey and the most abundant was phenylacetic acid (up to 16.4%). Antiradical activity (DPPH assay) of the honeydew samples was 4.5 and 5.1 mmol TEAC/kg. Ultrasonic solvent extracts showed several dozen times higher antiradical capacity in comparison to the honeydew. Antioxidant capacity (FRAP assay) of honeydew samples was 4.8 and 16.1 mmol Fe2+/kg, while the solvent mixture extracts showed antioxidant activity of 374.5 and 955.9 Fe2+/kg, respectively, and the dichloromethane extracts 127.3 and 101.5 mmol Fe2+/kg.
@article{jerkovicOakQuercusFrainetto2010,
  title = {Oak ({{Quercus}} Frainetto {{Ten}}.) Honeydew Honey - {{Approach}} to Screening of Volatile Organic Composition and Antioxidant Capacity ({{DPPH}} and {{FRAP}} Assay)},
  author = {Jerković, I. and Marijanović, Z.},
  date = {2010-05},
  journaltitle = {Molecules},
  volume = {15},
  pages = {3744--3756},
  issn = {1420-3049},
  doi = {10.3390/molecules15053744},
  url = {https://doi.org/10.3390/molecules15053744},
  abstract = {Two samples of oak honeydew honey were investigated. Headspace solid-phase microextraction (HS-SPME) combined with GC and GC/MS enabled identification of the most volatile organic headspace compounds being dominated by terpenes(mainly cis- and trans-linalool oxides). The volatile and less-volatile organic composition of the samples was obtained by ultrasonic assisted extraction (USE) with two solvents (1:2 (v/v) pentane -diethyl ether mixture and dichloromethane) followed by GC and GC/MS analysis. Shikimic pathway derivatives are of particular interest with respect to the botanical origin of honey and the most abundant was phenylacetic acid (up to 16.4\%). Antiradical activity (DPPH assay) of the honeydew samples was 4.5 and 5.1 mmol TEAC/kg. Ultrasonic solvent extracts showed several dozen times higher antiradical capacity in comparison to the honeydew. Antioxidant capacity (FRAP assay) of honeydew samples was 4.8 and 16.1 mmol Fe2+/kg, while the solvent mixture extracts showed antioxidant activity of 374.5 and 955.9 Fe2+/kg, respectively, and the dichloromethane extracts 127.3 and 101.5 mmol Fe2+/kg.},
  keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-7274571,~to-add-doi-URL,honeydew-honey,quercus-frainetto},
  number = {5}
}

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