Abstract
Chokeberry (Aronia melanocarpa L.) contains a large number of bioactive compounds, which make of it a highly nutritional and antioxidant food with anti-cancer and anti-inflammatory properties. It has been recently seen its consumption increased because of its interesting composition and properties as a functional food. The ultrasound-assisted extraction method has been optimized, since it is a simple and fast technique to extract phenolic compounds, as well as anthocyanins, not only separately but also simultaneously. Multiple response has been optimized and demonstrated an effectiveness level similar to the individual ones. This represents a considerable reduction in costs, time and work. The optimal conditions for simultaneous extractions were: 54% methanol as extraction solvent at pH 2.72 and 69.4 °C temperature, 70% amplitude, 0.7 s cycle, and 0.5:18.2 g:mL sample mass/solvent volume ratio. The developed methods showed a high precision level with coefficients of variation lower than 5%. The methods were successfully applied to commercial samples. Additionally, the extraction of other compounds of biological interest, such as organic acids and sugars, was also studied.
Highlights
IntroductionChokeberry (Aronia melanocarpa) is a 0.5–3 m tall deciduous shrub found in temperate rainforests
Chokeberry (Aronia melanocarpa) is a 0.5–3 m tall deciduous shrub found in temperate rainforests.It is native from North America, recently there has been a growing interest in its cultivation in Eastern Europe and Asia
Based on the results obtained, it can be stated that ultrasound-assisted extraction (UAE) under optimum conditions can be considered as an effective, easy and fast method for the extraction of antioxidant compounds found in black aronia
Summary
Chokeberry (Aronia melanocarpa) is a 0.5–3 m tall deciduous shrub found in temperate rainforests It is native from North America, recently there has been a growing interest in its cultivation in Eastern Europe and Asia. It belongs to the Rosaceae family and is the best-known species within the genus Aronia [1]. It produces dark, small berries, similar to cherries, that grow in bunches. Small berries, similar to cherries, that grow in bunches It is best harvested between August and September, when it exhibits its outstanding health benefits [2]. It is currently known for a large number of beneficial properties, being one of the fruits with the highest content in compounds of biological interest which confer its superior antioxidant properties
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