Sustainable Green Procedure for Extraction of Hesperidin from Selected Croatian Mandarin Peels

The peels of Citrus reticulata Blanco mandarin cultivars of different Croatian varieties (Zorica rana, Chahara, Okitsu, Kuno) were extracted using 15 different choline chloride-based deep eutectic solvents (DESs) at 50 °C for 30 min and with 20% water addition. The extracts were analyzed by high per...

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Bibliographic Details
Published in:Processes 2019-07, Vol.7 (7), p.469
Main Authors: Jokić, Stela, Šafranko, Silvija, Jakovljević, Martina, Cikoš, Ana-Marija, Kajić, Nikolina, Kolarević, Filip, Babić, Jurislav, Molnar, Maja
Format: Article
Language:English
Subjects:
Acids
Bioactive compounds
By products
Chloride
Chlorides
Choline
Citric acid
Citrus fruits
Cultivars
Design of experiments
Design optimization
Flavonoids
Glycerol
Hesperidin
High performance liquid chromatography
Hydrogen bonds
Mandarins
Moisture content
Optimization
Solvents
Variables
Water content
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Summary:The peels of Citrus reticulata Blanco mandarin cultivars of different Croatian varieties (Zorica rana, Chahara, Okitsu, Kuno) were extracted using 15 different choline chloride-based deep eutectic solvents (DESs) at 50 °C for 30 min and with 20% water addition. The extracts were analyzed by high performance liquid chromatography with diode array detection (HPLC-DAD) to determine the most suitable DES for the extraction of hesperidin in the samples. The screening results indicated that choline chloride: acetamide (1:2) provided the most efficient hesperidin extraction (112.14 mg/g of plant), while choline chloride:citric acid (1:1) solvent showed the lowest hesperidin yield (1.44 mg/g of plant). The Box–Behnken design was employed to optimize extraction parameters for each variety of mandarin peel, including extraction time, temperature and water content on hesperidin extraction. The results indicated that hesperidin content in mandarin peels was completely variety-dependent. Being a novel and efficient green media for hesperidin extraction, deep eutectic solvents could also serve as promising solvent systems for the production of extracts rich in bioactive compounds.
ISSN:2227-9717
2227-9717
DOI:10.3390/pr7070469