Abstract:
:Australian native mints have traditionally been used by the aboriginal people for natural remedies; however, their bioactive components have not been studied. Antioxidant capacity and composition of phenolic compounds of Mentha australis R. Br., Lamiaceae were investigated for the first time. Phenolic compounds were analyzed by HPLC photodiode array detector, liquid chromatography high resolution mass spectrometry, tandem mass spectrometry and nuclear magnetic resonance spectroscopy. Aqueous methanolic extract of the mint exhibited comparable antioxidant capacity to the common spearmint. Major compounds identified in the extract were rosmarinic acid (160.4 ± 0.85 μg mg(-1)purified extract), neoponcirin (145.0 ± 0.42 μg gallic acid equivalent(GAE) mg(-1)), narirutin (30.3 ± 0.02 μg GAE mg(-1)), chlorogenic acid (15.4 ± 0.05 μg mg(-1)) and biochanin A (9.6 ± 0.06 μg GAE mg(-1)), while minor compounds were caffeic acid, apigenin, hesperetin and naringenin. Neoponcirin and biochanin A were identified for the first time in the Mentha genus.
journal_name
Food Chemjournal_title
Food chemistryauthors
Tang KS,Konczak I,Zhao Jdoi
10.1016/j.foodchem.2015.07.032subject
Has Abstractpub_date
2016-02-01 00:00:00pages
698-705eissn
0308-8146issn
1873-7072pii
S0308-8146(15)01037-7journal_volume
192pub_type
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