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Starch bio-based composite active edible film functionalized with Carum carvi L. essential oil: antimicrobial, rheological, physic-mechanical and optical attributes by S. K. Bharti; V. Pathak; T. Alam; A. Arya; V. K. Singh; A. K. Verma; V. Rajkumar is a Agricultural and Biological Sciences article available to read on EtoBox.

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In the present study, the antimicrobial, rheological, mechanical, barrier and optical properties of Carrageenan and Manihot esculenta (composite) starch biobased edible film incorporated with caraway (Carum carvi L.) essential oil (EO) were investigated. The Minimum Inhibitory Concentration (MIC) of caraway oil against B. cereus, E. coli, P. aeruginosa and S. aureus were found to be 0.6, 1.4, 1.4 and 0.8% respectively. The Gas Chromatography-Mass Spectroscopy (GC-MS) of caraway EO expressed a distinct chromatogram peak for phenolic compounds. Rheological results of Film-Forming Solution (FFS) revealed solid-like viscoelastic behavior. Incorporation of caraway EO in the film caused significant (P \ 0.05) increase in moisture, moisture absorption, bio-degradability in terms of film solubility, L value, total color difference (DE), haziness and transparency value, however, significantly (P \ 0.05) decreased tensile strength and whiteness index were observed. The zone of inhibition of caraway EO incorporated films against all test bacteria were highly significant (P \ 0.01) than control whereas antibacterial activity was found more towards gram-positive bacteria than gram-negative bact

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Author

S. K. Bharti; V. Pathak; T. Alam; A. Arya; V. K. Singh; A. K. Verma; V. Rajkumar

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)