Investigation into the potential of commercially available lesser mealworm (A. diaperinus) protein to serve as sources of peptides with DPP‐IV inhibitory activity

Summary Food‐derived peptides are known to possess inhibitory activity against the dipeptidyl‐peptidase IV (DPP‐IV) enzyme, a target in the management of type 2 diabetes. While proteins from commonly consumed food commodities have been investigated as precursors of DPP‐IV‐inhibiting peptides, studie...

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Published in:International journal of food science & technology 2019-03, Vol.54 (3), p.696-704
Main Authors: Lacroix, Isabelle M. E., Dávalos Terán, Irene, Fogliano, Vincenzo, Wichers, Harry J.
Format: Article
Language:English
Subjects:
Commodities
Diabetes mellitus
Diabetes mellitus (non-insulin dependent)
Digestive enzymes
Dipeptidyl-peptidase IV
Dipeptidyl-peptidase IV inhibitors
Food
Functional foods & nutraceuticals
Hydrolysates
in vitro digestion
Inhibitors
Insects
in vitro digestion
lesser mealworm (A. diaperinus) protein
Peptidase
Peptides
Protein sources
Proteins
Thermolysin
type 2 diabetes
Ultrafiltration
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description Summary Food‐derived peptides are known to possess inhibitory activity against the dipeptidyl‐peptidase IV (DPP‐IV) enzyme, a target in the management of type 2 diabetes. While proteins from commonly consumed food commodities have been investigated as precursors of DPP‐IV‐inhibiting peptides, studies on novel protein sources, such as those from insects, are sparse. This research aimed to determine if DPP‐IV inhibitors can be generated upon in vitro digestion or enzymatic hydrolysis of lesser mealworm protein isolate and concentrate. Treatment of the proteins with digestive enzymes and proteases generated hydrolysates with varying potency, thermolysin being the most effective at releasing active peptides (IC50 = 0.63 and 0.60 mg mL−1 for the isolate and concentrate). Ultrafiltration of the thermolysin‐treated hydrolysates did not significantly improve the potency. This study shows that DPP‐IV inhibitors can be generated from lesser mealworm protein and provides insight on the potential of insects to serve as functional food ingredients. Generation of DPP‐IV inhibitory peptides by simulated gastrointestinal digestion and enzymatic hydrolysis of lesser mealworm (A. diaperinus) proteins.
doi_str_mv 10.1111/ijfs.13982
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ispartof International journal of food science & technology, 2019-03, Vol.54 (3), p.696-704
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source Wiley; Oxford University Press Open Access
subjects Commodities
Diabetes mellitus
Diabetes mellitus (non-insulin dependent)
Digestive enzymes
Dipeptidyl-peptidase IV
Dipeptidyl-peptidase IV inhibitors
Food
Functional foods & nutraceuticals
Hydrolysates
in vitro digestion
Inhibitors
Insects
in vitro digestion
lesser mealworm (A. diaperinus) protein
Peptidase
Peptides
Protein sources
Proteins
Thermolysin
type 2 diabetes
Ultrafiltration
title Investigation into the potential of commercially available lesser mealworm (A. diaperinus) protein to serve as sources of peptides with DPP‐IV inhibitory activity
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