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Collection and Identification of Pollen from Honey Bee Colonies
Published on: January 19, 2021
Analysis of pollen load based on color, physicochemical composition and botanical source
Anna F H Modro1, Izabel C Silva, Cynthia F P Luz
1Departamento de Entomologia, Fitopatologia e Zoologia Agrícola, Escola Superior de Agricultura Luiz de Queiroz, Piracicaba, SP, Brasil, 13418-900. fridamodro@gmail.com
Anais Da Academia Brasileira De Ciencias
|June 3, 2009
Summary
Analyzing honey bee pollen loads reveals that color alone is an unreliable indicator of unifloral pollen quality. Physicochemical and melissopalynological analyses are crucial for accurate commercial pollen assessment.
Area of Science:
- Apiculture
- Food Science
- Botany
Background:
- Pollen load quality is critical for commercial apiculture products.
- Color is often used as a preliminary quality indicator for pollen.
- Understanding the composition of pollen loads is essential for quality control.
Purpose of the Study:
- To evaluate the physicochemical composition and botanical origin of Apis mellifera pollen loads.
- To assess the reliability of color as a quality control parameter for pollen.
- To compare the nutritional content of unifloral pollen with fungal contaminants.
Main Methods:
- Analysis of physicochemical composition of pollen loads.
- Melissopalynological analysis to determine botanical sources.
- Comparison of nutritional profiles between pollen and fungal samples.
Main Results:
- Seven out of ten pollen samples were identified as unifloral, exhibiting protein content variations.
- One sample consisted exclusively of Cladosporium sp. fungi.
- Fungal samples showed higher protein, mineral matter, and dry matter but lower organic matter, ethereal extract, and carbohydrates compared to pollen.
Conclusions:
- Homogeneous coloration does not reliably indicate unifloral pollen.
- Physicochemical and melissopalynological analyses are essential for accurate characterization of commercial pollen quality.
- Color should not be the sole criterion for assessing pollen load quality.
