Abstract
Microwave-assisted hydrodistillation (MAHD) is an advanced hydrodistillation (HD) technique, in which a microwave oven is used in the extraction process. MAHD and HD methods have been compared and evaluated for their effectiveness in the isolation of essential oils from fresh mango (Mangifera indica L.) flowers. MAHD offers important advantages over HD in terms of energy savings and extraction time (75 min against 4 h). The composition of the extracted essential oils was investigated by GC-FID and GC-MS. Results indicate that the use of microwave irradiation did not adversely influence the composition of the essential oils. MAHD was also found to be a green technology.
Highlights
Mango (Mangifera indica L.) is one of the most important and popular tropical fruits, due mainly to its delicious flavor and nutritional value [1]
Essential oils from mango flowers were obtained by Microwave-assisted hydrodistillation (MAHD) and HD
The oils were subsequently analyzed by GC-FID and GC-MS
Summary
Mango (Mangifera indica L.) is one of the most important and popular tropical fruits, due mainly to its delicious flavor and nutritional value [1]. More than 300 volatile components have been identified from several varieties of mango [3,4,5,6,7,8,9,10,11,12,13,14] These compounds are free forms or glycosidically bound compounds [15,16,17,18,19]. Some recently published studies have successfully used a microwave oven as a heater in the extraction of essential oils from medicinal plants and herbs [1,2830]. The objective of the present work is to investigate the potential of MAHD for extracting essential oils from mango flowers. The extraction time, volatile components, and extraction yield of MAHD were compared with those of HD
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