The Physiochemical and Antibacterial Properties of Galactomannan Edible Film of Arenga Pinnata Incorporated With Zingiber Officinale Essential Oil

Abstract

Objective: This study aimed to demonstrate the incorporation of Zingiber officinale essential (ZOE) oil onto galactomannan from Arenga pinnata (GAP) matrix and determined the antibacterial activity of the edible films (EF).Methods: EF was obtained from the incorporation of GAP (0.5, 0.9, or 1.3 g) with ZOE (0.5 or 1 g) using glycerol (0.6 g) and monoglycerol oleic (0.2 g) as a plasticizer.Results: The thickness of the films increased with the increase of GAP and ZOE oil. However, the tensile strength and water permeability decreased in the fourth EF when the ZOE oil was increased. The maximum value of tensile strength and modulus elongation was obtained with the ratio of GAP to ZOE oil at 0.9, 0.5, 4.502 MPa, and 0.0633 MPa, respectively. The Fourier transform infrared spectrum showed that the interaction occurred between GAP and ZOE oil. The EFs showed antibacterial activity against Escherichia coli, Staphylococcus aureus, Shigella dysenteriae, Salmonella typhi, Pseudomonas aeruginosa, Candida albicans, and Saccharomyces cerevisiae with the highest activity in the third EF. The total bacteria amount in a colony decreased until the 5th day compared with the control. Furthermore, the third EF could inhibit oxygen migration with a respiratory quotient of 7.71.Conclusions: This study revealed that EFs from GAP and ZOE could be prepared and have antibacterial activity against several pathogenic bacteria.

Ethno‐pharmacological and industrial attributes on the underutilized Arenga species in India

“…The concentrations of 100 mg/ml sulfated galactomannan at 9–10 mm diameter in both the Staphylococcus aureus and Escherichia coli but Candida albicans showed fragile antibacterial properties. Tarigan et al, (2018) demonstrated that the galactomannan from Arenga pinnata seeds showed an antimicrobial effect against some pathogenic microorganisms like Escherichia coli , Staphylococcus aureus , Pseudomonas aeruginosa , Shigella dysenteriae , Salmonella typhi , Saccharomyces cerevisiae , and Candida albicans . Methanolic fruit extracts of Arenga pinnata effectively inhibit ~40% growth of acne‐causing skin microbes Propionibacterium acnes (ATCC 6919).…”

“…Food flavor appreciation, along with food look and texture, is one of the initial evaluative signals received by consumers during food consumption and subsequent stimulation of the digestive system. Endosperm extract of Arenga pinnata significantly reduces the blood glucose level (Tarigan et al, 2018). Palm sugar obtained from A. pinnata is suitable for diabetic patients.…”

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“…Investigation of the results obtained from former studies has shown that various factors such as the mannose to galactose ratio (M/G) as well as the structure of galactomannan have a remarkable role in the ability of galactomannans to construct biodegradable films [11,12]. Production of biodegradable films based on galactomannans extracted from plant seeds like Gleditsia triacanthos [13], Delonix regia [3], Arenga Pinnata [14] and spent coffee [15] are being popular in recent years.…”