Characterization and geographical discrimination of Greek pine and thyme honeys based on their mineral content, using chemometrics

Karabagias, Ioannis K.; Louppis, Artemis P.; Kontakos, Stavros; Papastephanou, Chara; Kontominas, Michael G.

doi:10.1007/s00217-016-2727-8

Cited by 28 publications

(31 citation statements)

References 25 publications

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“…Preparation of honey samples for ICP-OES analysis and ICP-OES instrumentation and conditions are given in a previous study [ 10 ]. Twenty-four minerals were determined including Al, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, Hg, Mg, Mn, Mo, Ni, P, Pb, Sb, Si, Ti, Tl, V, and Zn.…”

Section: Methodsmentioning

confidence: 99%

“…On the contrary, the great variability in honey chemical composition is closely related to botanical and geographical origins with regard to soil, specific vegetation, climate conditions, bee species, processing technologies, and honey extraction methods. Thus, these variations, that is, in the mineral content and/or physicochemical parameters of honey, offer a great opportunity for research related to its botanical or geographical discrimination (authentication), using supervised statistical techniques [ 9 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

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Characterization and Botanical Differentiation of Monofloral and Multifloral Honeys Produced in Cyprus, Greece, and Egypt Using Physicochemical Parameter Analysis and Mineral Content in Conjunction with Supervised Statistical Techniques

Karabagias

Louppis²,

Kontakos

et al. 2018

Journal of Analytical Methods in Chemistry

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Thirty-four honey samples donated by beekeepers and purchased from supermarkets were collected during harvesting years 2010–2014 from Cyprus, Greece, and Egypt. The aims of this study were to characterize honey samples and, if possible, to differentiate honeys according to the honey type on the basis of physicochemical parameter values, mineral content, and their combination using supervised statistical techniques (linear discriminant analysis (LDA)). Physicochemical parameters (colour, pH, free acidity, total dissolved solids, salinity, electrical conductivity, and moisture content) were determined according to official methods, while minerals (Al, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, Hg, Mg, Mn, Mo, Ni, P, Pb, Sb, Si, Ti, Tl, V, and Zn) using inductively coupled plasma optical emission spectrometry. The majority of honey samples analyzed met the quality criteria set by the European directive and national decision related to honey. Implementation of multivariate analysis of variance (MANOVA) and LDA on specific physicochemical parameters, minerals, or their combination provided a satisfactory classification of honeys according to floral type. The overall correct classification rate (based on the cross-validation method) was 79.4% using 7 minerals and 91.2% using 8 physicochemical parameters. When the 15 parameters were combined, the classification rate of Egyptian honeys was improved by 25%.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Characterization and Botanical Differentiation of Monofloral and Multifloral Honeys Produced in Cyprus, Greece, and Egypt Using Physicochemical Parameter Analysis and Mineral Content in Conjunction with Supervised Statistical Techniques

Karabagias

Louppis²,

Kontakos

et al. 2018

Journal of Analytical Methods in Chemistry

Self Cite

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“…In the category of 'oils': olive oil [22][23][24]. Other categories of 'seafood': scallops [25], eel [26], sea bass [27], clams [28], 'honey': thyme honeys [29], pine, and thyme honeys [30], commercial honey [31], [32] 'meat': [33], lamb (South Africa) [34], 'milk and dairy products': milk and cheese from buffalo [35], sheep milk [36] and others [37]. More specific, in the category of 'plant-crops and herbs', which is the category with the largest number of publications, there were articles with various analytical techniques for geographical origin authentication.…”

Section: Published Research For Geographical Origin Authentication Frmentioning

confidence: 99%

“…Results of this study showed that: (a) conventional physicochemical and color parameters, (b) mineral content, and (c) the combination of both using chemometrics may successfully differentiate the geographical origin of commercial thyme honey from different countries. In another article, Karabagias et al [30] investigated pine and thyme honeys produced in Greece. Conventional physicochemical and color parameters were determined using official methods of analysis.…”

Section: Published Research For Geographical Origin Authentication Frmentioning

confidence: 99%

Geographical Origin Authentication of Agri-Food Products: A Review

Katerinopoulou

Kontogeorgos

Salmas

et al. 2020

Foods

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This study is a systematic literature review of geographical origin authentication by elemental analytical techniques. Authentication and certification of geographic origin of agri-food products is a useful tool toward the protection of the quality for products. The aim of this work was to map the current state of research in the area of agricultural products and food, identifying emerging fields to the geographical origin of products. The article is divided in three parts. The first part of the article deals with the analytical techniques applied in the food authentication. Special mention is made to elemental analysis and multiple isotope ratio. The second section focuses on statistically published data concerning published research for geographical origin authentication for the period 2015–2019. Specific results are presented inter alia: number of articles according to the type of product, articles according to the type of the analytical techniques, and others. The third part contains characteristic results from articles that were published in the period 2015–2019, on certification of geographical origin on specific agricultural products.

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“…Thyme honey with a pleasant aroma and taste is one of the most popular and widely used monofloral honeys globally (23). Studies on the thyme honey suggest that this honey is as significant as other dark honeys containing phenol, flavonoids and vitamin C, and has higher antioxidant properties than other honeys.…”

Section: Introductionmentioning

confidence: 99%

The effect of thyme honey on anemia in hemodialysis patients

Kiasari

Nobahar

Ghorbani

et al. 2020

NPT

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Background & Aim: Anemia is one of the most common complications of chronic renal failure, which is associated with increased fatigue, dyspnea, depression, malaise, prolonged hospitalization and mortality. Some patients are resistant to erythropoietin therapy. Therefore, the purpose of this study was to determine the effect of thyme honey on anemia in hemodialysis patients. Methods & Materials: The present clinical trial was conducted in 2018 at Kowsar Hospital of Semnan on hemodialysis patients randomly selected with convenience sampling method within two groups of case (n=28) and control (n=27). The case group received thyme honey (33 g) daily for one month. The control group did not consume thyme honey. Blood samples were taken from the patients before and after the intervention with 10-hour fasting and then blood parameters were assessed. Results: The mean ±SD reduction rate in hemoglobin level was 0.46±0.96 in the case group and 0.23±3.15 g/dl in the control group, but no significant difference using independent t-test (P=0.758). The mean±SD reduction rate in hematocrit percentages was 1.20±2.78 in the case group and 0.11±8.53 in the control group, but there is no significant difference between the two groups using independent t-test (P=0.590). Conclusion: Results showed that daily administration of 33 grams of thyme honey had no effect on anemia in hemodialysis patients. Further studies are recommended with modification of the methodology regarding the type, dose, duration and instructions of honey consumption for better results.

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Characterization and geographical discrimination of Greek pine and thyme honeys based on their mineral content, using chemometrics

Cited by 28 publications

References 25 publications

Characterization and Botanical Differentiation of Monofloral and Multifloral Honeys Produced in Cyprus, Greece, and Egypt Using Physicochemical Parameter Analysis and Mineral Content in Conjunction with Supervised Statistical Techniques

Characterization and Botanical Differentiation of Monofloral and Multifloral Honeys Produced in Cyprus, Greece, and Egypt Using Physicochemical Parameter Analysis and Mineral Content in Conjunction with Supervised Statistical Techniques

Geographical Origin Authentication of Agri-Food Products: A Review

The effect of thyme honey on anemia in hemodialysis patients

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