Physicochemical Properties and Pollen Profile of Oak Honeydew and Evergreen Oak Honeydew Honeys from Spain: A Comparative Study

Seijo, María Carmen; Escuredo, Olga

doi:10.3390/foods8040126

Cited by 25 publications

(26 citation statements)

References 45 publications

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“…Th e most prevalent sugar in honeydew is fructose, followed by glucose and sucrose. Th ese results are in accordance with other literature data (Kirs et al, 2011;Kivrak et al, 2017;Sousa et al, 2016;Sergalio et al, 2019;Seijo et al, 2019). In general, the glucose content was lower than the fructose content, which indicated the natural feeding of bee colonies and confi rmed the high quality of the examined honeydew honeys.…”

Section: Discussionsupporting

confidence: 92%

Physicochemical Characteristics of Serbian Honeydew Honey

Baloš

Jakšić

Popov

et al. 2019

AVM

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Th e aim of this study was to investigate the composition and quality of Serbian honeydew honey. For this purpose, the physicochemical characteristics of 14 honeydew samples were analyzed. Th e physicochemical characteristics of all honeydew honeys from Serbia analyzed in this research can be considered to be within the parameters prescribed for honeydew in general. Th e sum value of glucose and fructose, the content of sucrose, water, hydroxymethylfurfural, acidity, and diastase activity were in line with European and national regulations for honey, for all investigated honeydew samples. Out of a total of 14 tested honey samples, 1 sample did not comply with the national regulations for honey regarding electrical conductivity. According to our results, in most of investigated samples the fructose/glucose (F/G) ratio was greater than 1.11 and glucose/water (G/W) ratio was close to 2. Th is means that they can be categorized as medium-crystallizing honeys. Th e results obtained in this study indicate excellent quality, absence of undesirable fermentation, acceptable freshness and proper manipulation of Serbian honeydews.

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Section: Discussionsupporting

confidence: 92%

Physicochemical Characteristics of Serbian Honeydew Honey

Baloš

Jakšić

Popov

et al. 2019

AVM

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“…Little information is available about the honeydew production in Algeria, and knowledge about sources of this honey is scarce. However, it was the subject of a great number of recent studies in other territories [ 40 , 41 , 42 , 43 , 44 , 45 , 46 ]. Considering the interest of this honey type, and that differentiation between different types of honeydew honey or even other dark blossom honey is difficult [ 47 ], more studies regarding this honey type could be useful to valorize local honey production.…”

Section: Resultsmentioning

confidence: 99%

Botanical Origin, Pollen Profile, and Physicochemical Properties of Algerian Honey from Different Bioclimatic Areas

Homrani

Escuredo

Dalache

et al. 2020

Foods

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The palynological and physicochemical analysis of 62 honey samples produced in different biogeographical areas of Algeria was conducted. Results showed high variety in the botanical origin of samples and their physicochemical profile. Twenty-six samples were polyfloral honey, 30 were unifloral honey from different botanical sources such as Eucalyptus, Citrus, Apiaceae, Punica, Erica, Rosmarinus, Eriobotrya, or Hedysarum, and 6 were characterized as honeydew honey. Pollen analysis allowed the identification of 104 pollen types belonging to 51 botanical families, whereas the physicochemical profile showed important variations between samples. Multivariate techniques were used to compare the characteristics of samples from different biogeographical areas, showing significant differences between humid-area samples, located in the northeast of the country, and samples taken in semiarid, subhumid, and arid zones. Principal-component analysis (PCA) extracted nine components explaining 72% of data variance, being 30%, the sum of Component 1 and Component 2. The plot of both components showed samples grouped upon botanical and geographical origin. The results of this paper highlighted the great variability in honey production of Algeria, evidencing the importance of honey characterization to guarantee authenticity and to valorize local production.

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“…The area had mainly an Atlantic vegetation with the predominance of deciduous forest and areas of scrubland. Among the woodland deciduous taxa, it is highlighted due its abundance and the importance for beekeeping, chestnut trees (mostly some different cultivars of Castanea sativa ) and for their honeydew secretion, oak trees (primarily Q. pyrenaica and hybrids) [24,43]. Concerning the shrub, the predominance of some species of brooms (mainly from the genus Cytisus and Genista ) growing near heathers (primarily Erica ) with high bee value for honey production is noted [44].…”

Section: Resultsmentioning

confidence: 99%

Contribution to the Chromatic Characterization of Unifloral Honeys from Galicia (NW Spain)

Escuredo

Rojo-Martínez

Seijo

2019

Foods

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Honey color and other physicochemical characteristics depend mainly on the botanical and geographical origin. The study of these properties could make easier a correct classification of unifloral honey. This work determined the palynological characteristics and some physicochemical properties such as pH, electrical conductivity, and color (Pfund scale and the CIELa*b* coordinates), as well as the total content of the bioactive compounds phenols and flavonoids of ninety-three honey samples. Samples were classified as chestnut, blackberry, heather, eucalyptus, and honeydew honey. The study showed a close relationship between the physicochemical variables and the botanical origin. The five types of honey presented different physicochemical properties among them. A principal component analysis showed that Hue, lightness, b*, and Chroma variables were important for the honey types classification, followed by Erica pollen, pH, Cytisus, and Castanea variables. A forward stepwise regression analysis was performed introducing as dependent variables the color (mm Pfund) and the Chroma and the Hue variables. The regression models obtained explained 86%, 74%, and 86% of the variance of the data, respectively. The combination of the chromatic and physicochemical and pollen variables through the use of multivariable methods was optimal to characterize and group the honey samples studied.

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Physicochemical Properties and Pollen Profile of Oak Honeydew and Evergreen Oak Honeydew Honeys from Spain: A Comparative Study

Cited by 25 publications

References 45 publications

Physicochemical Characteristics of Serbian Honeydew Honey

Physicochemical Characteristics of Serbian Honeydew Honey

Botanical Origin, Pollen Profile, and Physicochemical Properties of Algerian Honey from Different Bioclimatic Areas

Contribution to the Chromatic Characterization of Unifloral Honeys from Galicia (NW Spain)

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