Back to Search
Start Over
Zantaz honey 'monoflorality': Chemometric applied to the routinely assessed parameters
- Source :
- Repositório Científico de Acesso Aberto de Portugal, Repositório Científico de Acesso Aberto de Portugal (RCAAP), instacron:RCAAP, Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos), Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
- Publication Year :
- 2019
- Publisher :
- Elsevier, 2019.
-
Abstract
- The comparison of Zantaz honey samples harvested in Morocco in two different years was performed through chemometric analysis of routinely assessed parameters. The objective was to study how the pollen profile of this newly reported honey shapes its physicochemical characteristics as well as to determine its monoflorality threshold, which has not yet been defined. The predominance of B. spinosum pollen was confirmed in the majority of samples reaching 45%, generally requested for monoflorality declaration. The principal component analysis (PCA) was used for clustering and variables correlations. Pollen qualitative and quantitative differences could discriminate the samples belonging to both seasons when combined with the sugar analysis (59.44%) better than the combination with physicochemical parameters (pH, acidity, ash content, electrical conductivity and color) (60.62%). Positive correlation between the presence of B. spinosum pollen and melanoidins, color, fructose, moisture, trehalose, melezitose, iron, manganese and calcium could be seen. Integrating all the parameters except the pollen data allowed distinguishing two groups with significant differences (P < 0.05) in B. spinosum representability (58 ± 11.24% against 40 ± 15.98%). This may suggest that 40% is the monoflorality threshold of the Moroccan Zantaz honey, although a confirmation with sensorial analysis is required. The authors wish to acknowledge the financial support provided by the Portuguese National Funding Agency for Science, Research and Technology (Fundação para a Ciência e a Tecnologia − FCT; Portugal), under the projects UID/BIA/04050/2013, UID/BIA/04325/2013. MEDTBIO, and UID/Multi/04326/2013. Centro de Estudos Florestais is a Research Unit funded by Fundação para a Ciência e a Tecnologia within UID/AGR/00239/2019. The authors thank to Conceição Vitorino for their support with sugar analytical procedures. info:eu-repo/semantics/publishedVersion
- Subjects :
- 0106 biological sciences
Bupleurum spinosum
Monoflorality threshold
Melissopalynology
Principal component analysis
Fructose
Melezitose
04 agricultural and veterinary sciences
medicine.disease_cause
Positive correlation
040401 food science
01 natural sciences
Honey samples
chemistry.chemical_compound
0404 agricultural biotechnology
chemistry
010608 biotechnology
Pollen
medicine
Food science
Sugar
Food Science
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Repositório Científico de Acesso Aberto de Portugal, Repositório Científico de Acesso Aberto de Portugal (RCAAP), instacron:RCAAP, Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos), Agência para a Sociedade do Conhecimento (UMIC)-FCT-Sociedade da Informação
- Accession number :
- edsair.doi.dedup.....8570cb0ed857727cf35cb989805fe321