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Characterization of Summer Savory (Satureja hortensis L.) Honey by Physico-Chemical Parameters and Chromatographic / Spectroscopic Techniques (GC-FID/MS, HPLC-DAD, UV/VIS and FTIR-ATR)

Jerković, Igor; Tuberoso, Carlo Ignazio Giovanni; Baranović, Goran; Marijanović, Zvonimir; Kranjac, Marina; Svečnjak, Lidija; Kuś, Piotr Marek (2015) Characterization of Summer Savory (Satureja hortensis L.) Honey by Physico-Chemical Parameters and Chromatographic / Spectroscopic Techniques (GC-FID/MS, HPLC-DAD, UV/VIS and FTIR-ATR). Croatica Chemica Acta, 88 (1). pp. 15-22. ISSN 0011-1643

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Abstract

Satureja hortensis L. unifloral honey was characterized by pollen analysis, electrical conductivity, pH and extensively by chromatographic and spectroscopic techniques. UV / VIS spectro-scopy measurements revealed total phenol content of 682.1 mg GAE / kg by Folin-Ciocalteu assay, antiox-idant capacity by DPPH assay of 1.7 mmol TEAC / kg and by FRAP assay of 4.3 mmol Fe2+ / kg as well as CIE L*a*b*Cab*h°ab chromaticity coordinates. GC-MS after headspace solid-phase microextraction (HS-SPME) revealed hotrienol (22.8 %) along with other linalool derivatives, benzaldehyde (6.1 %), phenylacetaldehyde (4.9 %) and few norisoprenoids (safranal (7.6 %) as the major). Ultrasonic solvent ex-traction (USE) followed by GC-MS allowed identification of methyl syringate (54.7 %) as predominant compound along with other benzene derivatives. HPLC-DAD analysis determined tyrosine (382.0 mg kg−1), phenylalanine (140.4 mg kg−1) and methyl syringate (39.32 mg kg−1). Methyl syringate and hotrienol can be considered non-specific chemical markers of S. hortensis honey. FTIR-ATR spectral characteristics of S. hortensis honey in fingerprinting region were not significantly different from other honey types, but the integrated intensity of the region was smaller than in other unifloral honeys.

Item Type: Article
Uncontrolled Keywords: Satureja hortensis L. honey; GC-MS, HPLC-DAD; UV / VIS; FTIR-ATR; methyl syringate; hotrienol
Subjects: NATURAL SCIENCES > Chemistry
BIOTECHNICAL SCIENCES > Agronomy
Divisions: Division of Organic Chemistry and Biochemistry
Projects:
Project titleProject leaderProject codeProject type
Research of natural products and flavours: chemical fingerprinting and unlocking the potential (Istraživaje prirodnih spojeva i aroma: kemijsko profiliranje i otkrivanje potecijala)-NaPro-FlavIgor JerkovićIP-11-2013-8547HRZZ
Depositing User: Goran Baranović
Date Deposited: 24 May 2016 13:42
Last Modified: 24 May 2016 13:42
URI: http://fulir.irb.hr/id/eprint/2820
DOI: 10.5562/cca2514

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