Abstract
Gelatin cross-linking has recently been discovered to be a very appealing method of producing gelatin-based films. The current research looks at various commercial gelatin (type B) films to improve their physical qualities. Bunium alpinum and bunium incrassatum essential oils (EOs) in two quantities (5% and 25%) were added to the films, which showed substantial biological activity (antibacterial, antioxidant, antihemolytic, and anti-inflammatory). According to electronic scanning microscopy, the basic gelatin matrix had changed and there were multiple dense spots on the cross-linked films. The particles appear to be more bonded in an isotropic form. Infrared spectroscopy cannot provide substantial accuracy on the new characteristics and chemical interactions formed due to the complex system of both gelatin and EOs. According to the UV transmission test results, adding EOs to gelatin films improves the barrier properties against UV rays and prevents UV light transmission. Finally, the swelling water test revealed that included EOs in the film composition reduce the film's swelling.
Highlights
Polymeric materials are required in a variety of routine applications, from food packaging to cosmetics and other specialized sectors, e.g. the biopharmaceutical and pharmaceutical sectors [1]
This is a new line of research which aims to synthesize biodegradable matrices, based on gelatin or another biopolymer, with new formulations by adding safe to use and low cost natural metabolites such as Essential Oils (EOs), known for their broad antimicrobial spectrum with the aim of using them in packaging, as patches for the release of drugs, or in the case of the encapsulation of active ingredients
The EOs of bunium alpinum and bunium incrassatum were shown to be very compatible with gelatin, resulting in flexible and easy-to-handle films in the studied concentration range
Summary
Polymeric materials are required in a variety of routine applications, from food packaging to cosmetics and other specialized sectors, e.g. the biopharmaceutical and pharmaceutical sectors [1]. Film-making gelatin is a form of gelatin. Biopolymers are coupled with natural products such as medical plant extracts (essential oils and plant powders) and pure or semi-purified natural components (polyphenols, flavonoids, pigments, etc.) [6]. This link bestows all of the qualities and benefits associated with natural items on the designed bundle. Phenolic compounds protect packaged commodities from degradation caused by external conditions and bacteria by acting as antioxidants [8]
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