High-Performance Liquid Chromatography/Electrospray Ionization Tandem Mass Spectrometry (HPLC-ESI-MSn) Analysis and Bioactivity Useful for Prevention of “Diabesity” of Allium commutatum Guss

  • Monica R. Loizzo
  • Rosa TundisEmail author
  • Stefania Sut
  • Stefano Dall’Acqua
  • Vincenzo Ilardi
  • Mariarosaria Leporini
  • Tiziana Falco
  • Vincenzo Sicari
  • Maurizio Bruno
Original Paper


This study aimed at evaluating and comparing the chemical profile obtained by HPLC-ESI-MSn analysis, the inhibitory activity of enzymes linked to obesity (α-amylase, α-glucosidase, and lipase) and the antioxidant properties (DPPH, ABTS, FRAP, and β-carotene bleaching tests) of ethanol extracts of bulbs (BE) and aerial parts (APE) from Allium commutatum Guss. (known in Italy as “aglio delle isole”). The chemical profile revealed alliin as the main abundant compound with values of 31.5 and 38.8 mg/g extract for BE and APE, respectively. APE is rich also in quercetin (38.5 mg/g extract) and luteolin (31.8 mg/g extract). Bulbs extract exhibited the highest activity as inhibitor of enzymes linked to obesity. Except for DPPH test, APE showed the highest antioxidant potential with IC50 of 7.6 and 56.6 μg/mL in ABTS and β-carotene bleaching test after 60 min of incubation, respectively. In conclusion, the present investigation revealed A. commutatum bulbs and aerial parts as a promising source of inhibitors of enzyme linked to the obesity and of antioxidant compounds.


Garlic Aerial parts Bulbs Carbohydrate-hydrolysing enzymes inhibition Lipase inhibition Antioxidant activity 



Aerial Parts Extract


2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulphonic acid)


Bulbs Extract


Butylated Hydroxytoluene


Diabetes Mellitus Type 2




Ferric Reducing Ability Power


Global Antioxidant Score


High-Performance Liquid Chromatography/Electrospray Ionization Tandem Mass Spectrometry


Half Maximal Inhibitory Concentration


Reactive Oxygen Species


Standard Deviation


Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflicts of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Monica R. Loizzo
    • 1
  • Rosa Tundis
    • 1
    Email author
  • Stefania Sut
    • 2
  • Stefano Dall’Acqua
    • 3
  • Vincenzo Ilardi
    • 4
  • Mariarosaria Leporini
    • 1
  • Tiziana Falco
    • 1
  • Vincenzo Sicari
    • 5
  • Maurizio Bruno
    • 6
  1. 1.Department of Pharmacy, Health and Nutritional SciencesUniversity of CalabriaRende (CS)Italy
  2. 2.Dipartimento di Agronomia, Animali, Alimenti, Risorse naturali e AmbienteUniversity of PadovaPadovaItaly
  3. 3.Department of Pharmaceutical and Pharmacological SciencesUniversity of PadovaPadovaItaly
  4. 4.Department of Earth and Marine SciencesUniversity of PalermoPalermoItaly
  5. 5.Department of Agricultural ScienceMediterranean University of Reggio CalabriaReggio CalabriaItaly
  6. 6.Department of Biological, Chemical and Pharmaceutical Sciences and TechnologiesUniversity of PalermoPalermoItaly

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