Abstract
The paper aimed to compare the quality of rapeseed and honeydew honey powders, obtained by two methods of spray drying—traditional at a high temperature (inlet air 180 °C) and innovative low-temperature spray drying with the use of dehumidified air as a drying medium (inlet air 75 °C). Total polyphenol content, antioxidant activity, and the content and types of aromatic compounds were determined. In addition, Fourier-transform infrared spectroscopy (FTIR) coupled with chemometrics analyses was done. Powders obtained by the low-temperature spray drying method (with dehumidified air) were characterized by a higher content of polyphenols, antioxidant activity, and aromatic compounds, compared to powders obtained by the traditional method. Honeydew honey compared to rapeseed honey was characterized by a higher content of polyphenols, antioxidant activity, and composition of aromatic compounds. The results proved that the production method had a higher impact on the final properties of powders than the type of honey.
Highlights
We discussed the aroma profile of reconstituted rapeseed honey powders obtained due to low-temperature spray drying with dehumidified air [13]
The highest concentration of butane2,3-diol was reported in reconstituted honeydew honey spray-dried with dehumidified air honey samples dehumidified with air spray drying (HH-dehumidified air spray drying (DASD)) (11.10 ± 3.36 mg/100 g solids) and the lowest content in reconstituted samples, which were spray-dried by traditional method HH-spray drying technique (SD) (1.20±0.24 mg/100 g solids). These observations may suggest that spray drying with dehumidified air (HHDASD) better preserve aroma compounds found in honeydew honey than traditional spray drying (HH-SD)
The article describes a significant impact of the type of drying method on the quality characteristics of the obtained honey powders
Summary
Honey is a natural raw material produced by Apis mellifera bees from collected flower nectar or secretions of living parts of plants or excreta of insects sucking the juices of living parts of plants (honeydew). It has the aroma characteristics but can improve the human health. Honeydew honey contains many more minerals, polysaccharides, and dextrins than nectar honey. It is rich in resins and essential oils and is used against diseases of the upper respiratory tract, asthma, pneumonia, and tuberculosis. Rape honey contains a higher content of glucose as compared to fructose, crystallizes very quickly, and obtains a consistency of lard and white color [2,3]
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