Chemical Analysis of Essential Oil Extracted from  &lt;i&gt;Tagetes Erecta L&lt;/i&gt;. Sourced from Bangladesh

Das, Shohag Chandra; Hossain, Md. Masem; Jahan, Nusrat; Uddin, Mohammad Abbas

doi:10.2139/ssrn.4273535

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“…It comprises 89% water, 10% carbohydrates, 1% protein, and small amounts of fat and vitamin C, similar to other citrus fruits. The essential oil extracted from pomelo pericarp contains key chemical constituents, including limonene, beta-linalool, neral, beta-myrcene, and nootkatone [14]. Pomelo pericarps are abundant by-products with a fascinating chemical composition.…”

Section: Introductionmentioning

confidence: 99%

Influence of Pomelo (Citrus maxima) Pericarp Essential Oil on the Physicochemical Properties of HomChaiya Rice (Oryza sativa L. cv. HomChaiya) Flour-Derived Edible Films

Venkatachalam

Charoenphun

2023

Membranes

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The food industry is increasingly interested in using active edible packaging to address environmental problems caused by conventional synthetic polymers, such as pollution and degradation. The present study took advantage of this opportunity to develop active edible packaging using Hom-Chaiya rice flour (RF), incorporating pomelo pericarp essential oil (PEO) at varying concentrations (1–3%). Films without PEO were used as controls. Various physicochemical parameters, structural and morphological observations were examined in the tested films. Overall, the results showed that the addition of PEO at varying concentrations significantly improved the qualities of the RF edible films, particularly the film’s yellowness (b*) and total color. Furthermore, RF-PEO films with increased concentrations significantly reduced the film’s roughness and relative crystallinity, while increasing opacity. The total moisture content in the films did not differ, but water activity was significantly reduced in the RF-PEO films. Water vapor barrier properties also improved in the RF-PEO films. In addition, textural properties, including tensile strength and elongation at break, were better in the RF-PEO films compared with the control. Fourier-transform infrared spectroscopy (FTIR) revealed strong bonding between the PEO and RF in the film. Morphological studies showed that the addition of PEO smoothed the film’s surface, and this effect increased with concentration. Overall, the biodegradability of the tested films was effective, despite variations; however, a slight advancement in degradation was found in the control film. Lastly, the antimicrobial properties of the RF-PEO films exhibited excellent inhibitory effects against various pathogens, including Staphylococcus aureus (S. aureus), Listeria monocytogenes (L. monocytogenes), Escherichia coli (E. coli), and Salmonella typhimurium (S. typhimurium). This study demonstrated that RF and PEO could be an effective combination for developing active edible packaging that delivers desirable functional properties and excellent biodegradability.

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Section: Introductionmentioning

confidence: 99%