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Published on: March 17, 2015
Brazilian stingless bee honeys: physicochemical, bioactive and aromatic diversity
Flávia Izabely Nunes Moreira1, Giovanna Ribeiro Meneses Dos Santos1, Mércia de Sousa Galvão1
1Department of Food Engineering, Technology Center, Campus I, Federal University of Paraiba, 58051-900 João Pessoa, Paraiba, Brazil.
Brazilian stingless bee honeys (SBH) exhibit diverse physicochemical and bioactive properties. Their unique profiles, influenced by nectar sources, highlight the distinct characteristics of honeys from Melipona scutellaris, M. subnitida, Scaptotrigona depilis, and Cephalotrigona capitata.
Area of Science:
- Food Science
- Analytical Chemistry
- Biochemistry
Background:
- Brazilian stingless bee honeys (SBH) are diverse products with potential health benefits.
- Understanding their composition is crucial for quality control and valorization.
- Previous characterizations often focused on single species or limited parameters.
Purpose of the Study:
- To comprehensively characterize four types of Brazilian stingless bee honeys (SBH): Melipona scutellaris (uruçu), M. subnitida (jandaíra), Scaptotrigona depilis (canudo), and Cephalotrigona capitata (mombucão).
- To investigate their pollen, physicochemical, bioactive properties, and volatile compounds.
- To identify factors influencing honey composition and antioxidant activity.
Main Methods:
- Physicochemical analyses (minerals, bioactive compounds).
- Antioxidant activity assays (ABTS, DPPH, FRAP, ORAC).
- Gas chromatography-mass spectrometry (GC-MS) for volatile compound identification.
- Multivariate analysis to correlate composition with vegetation.
Main Results:
- Significant differences in physicochemical and bioactive properties were observed among the SBH.
- Jandaíra and canudo honeys showed similar pollen profiles and higher levels of flavonoids, phenolics, and certain antioxidant activities (ABTS, DPPH).
- Potassium was the dominant mineral; mombucão honey had high potassium. Uruçu and mombucão honeys showed higher FRAP and ORAC values, respectively. Vegetation significantly influenced volatile compound profiles.
Conclusions:
- Brazilian stingless bee honeys possess distinct characteristics influenced by botanical origin.
- Jandaíra and canudo honeys are rich in specific phenolic compounds and exhibit strong antioxidant potential.
- This research provides a basis for understanding SBH variability and appreciating native stingless bee products.
