Curcumin-based Antioxidant and Glycohydrolase Inhibitor Compounds : Synthesis and In Vitro Appraisal of the Dual Activity Against Diabetes

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BACKGROUND: Curcumin, as the substantial constituent of the turmeric plant (Curcuma longa), plays a significant role in the prevention of various diseases, including diabetes. It possesses ideal structure features as an enzyme inhibitor, including a flexible backbone, hydrophobic nature, and several available hydrogen bond (H-bond) donors and acceptors.

OBJECTIVE: The present study aimed at synthesizing several novel curcumin derivatives and further evaluation of these compounds for possible antioxidant and anti-diabetic properties along with inhibitory effect against two carbohydrate-hydrolyzing enzymes, α-amylase and α-glucosidase, as these enzymes are therapeutic targets for attenuation of postprandial hyperglycemia.

METHODS: Therefore, curcumin-based pyrido[2,3-d]pyrimidine derivatives were synthesized and identified using an instrumental technique like NMR spectroscopy and then screened for antioxidant and enzyme inhibitory potential. Total antioxidant activity, reducing power assay and 1,1-diphenyl-2- picrylhydrazyl (DPPH•) radical scavenging activity were done to appraise the antioxidant potential of these compounds in vitro.

RESULTS: Compounds L6-L9 showed higher antioxidant activity while L4, L9, L12 and especially L8 exhibited the best selectivity index (lowest α-amylase/α-glucosidase inhibition ratio).

CONCLUSION: These antioxidant inhibitors may be potential anti-diabetic drugs, not only to reduce glycemic index but also to limit the activity of the major reactive oxygen species (ROS) producing pathways.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:17

Enthalten in:

Medicinal chemistry (Shariqah (United Arab Emirates)) - 17(2021), 7 vom: 29., Seite 677-698

Sprache:

Englisch

Beteiligte Personen:

Esmaeili, Sajjad [VerfasserIn]
Ghobadi, Nazanin [VerfasserIn]
Nazari, Donya [VerfasserIn]
Pourhossein, Alireza [VerfasserIn]
Rasouli, Hassan [VerfasserIn]
Adibi, Hadi [VerfasserIn]
Khodarahmi, Reza [VerfasserIn]

Links:

Volltext

Themen:

α-amylase
α-glucosidase.
Antioxidant activity
Antioxidants
Curcumin
Curcumin derivatives
Diabetes
EC 3.2.1.-
Enzyme inhibition
Glycoside Hydrolase Inhibitors
Glycoside Hydrolases
Hypoglycemic Agents
IT942ZTH98
Journal Article

Anmerkungen:

Date Completed 03.09.2021

Date Revised 03.09.2021

published: Print

Citation Status MEDLINE

doi:

10.2174/1573406416666200506083718

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM309541913