Effect of glycerol concentration as a biocoating on lotus leaf fracture improvement
Article Sidebar
Main Article Content
Abstract
This study investigated the fracture improvement of dried lotus leaves using glycerol, beeswax, and chitosan as coating agents. The aim of this study was to investigate the effects of glycerol on lotus leaf fracture improvement. The optimum glycerol content for biocoating was investigated using the recovery percentage of lotus leaves after coating, which indicates the elastic properties of lotus leaves. The 27% recovery rate was increased after treatment with 5 g chitosan, 24% v/v glycerol, and 76% v/v acetic solution for 1 d of immersion. The moisture content and thickness of the coated lotus leaves increased by 38% and 7.1%, respectively. Meanwhile, the contact angle decreased by 24% because of the increase in moisture content. Moreover, the mechanical properties showed that Young’s modulus decreased by 76% and the elongation increased by 78% after coating because of the improved fracture of dried lotus leaves. Additionally, thermal stability was increased compared with that of dried lotus leaves according to thermal analysis.
Downloads
Article Details
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
References
Chen, H., Sun, Z., and Yang, H. (2019). Effect of carnauba wax-based coating containing glycerol monolaurate on the quality maintenance and shelf-life of Indian jujube (Zizyphus mauritiana Lamk.) fruit during storage. Scientia Horticulturae, 244, 157–164.
Iewkittayakorn, J., Khunthongkaew, P., Wongnoipla, Y., Kaewtatip, K., Suybangdum, P., and Sopajarn, A. (2020). Biodegradable plates made of pineapple leaf pulp with biocoatings to improve water resistance. Journal of Materials Research and Technology, 9(3), 5056–5066.
Jutathip, P. (2019). Blended film of Thai silk fibroin gelatin and glycerol with surface modification by arginyl glycyl aspatic acid (RQD) on tobacco mosaic virus. Master’s thesis. Chulalongkorn University, Thailand. [in Thai]
Kanatt, S. R., Rao, M. S., Chawla, S. P., and Sharma, A. (2013). Effects of chitosan coating on shelf-life of ready-to-cook meat products during chilled storage. LWT - Food Science and Technology, 53(1), 321–326.
Miranda, M., Sun, X., Ference, C., Plotto, A., Bai, J., Wood, D., Assis, O. B. G., Ferreira, M. D., and Baldwin, E. (2021). Nano- and micro- carnauba wax emulsions versus shellac protective coatings on postharvest citrus quality. Journal of the American Society for Horticultural Science, 146(1), 40–49.
Mujtaba, M., Lipponen, J., Ojanen, M., Puttonen, S., and Vaittinen, H. (2022). Trends and challenges in the development of bio-based barrier coating materials for paper/cardboard food packaging; a review. Science of the Total Environment, 851(Part 2), 158328.
Ncama, K., Magwaza, L. S., Mditshwa, A., and Tesfay, S. Z. (2018). Plant-based edible coatings for managing postharvest quality of fresh horticultural produce: A review. Food Packaging and Shelf Life, 16, 157–167.
Severino, R., Ferrari, G., Dang Vu, K., Donsì, F., Salmieri, S., and Lacroix, M. (2015). Antimicrobial effects of modified chitosan based coating containing nanoemulsion of essential oils, modified atmosphere packaging and gamma irradiation against Escherichia coli O157:H7 and Salmonella Typhimurium on green beans. Food Control, 50, 215–222.
Tarique, J., Sapuan, S. M., and Khalina, A. (2021). Effect of glycerol plasticizer loading on the physical, mechanical, thermal, and barrier properties of arrowroot (Maranta arundinacea) starch biopolymers. Scientific Reports 11: 13900.
Tarique, J., Sapuan, S. M., Khalina, A., Ilyas, R. A., and Zainudin, E. S. (2022). Thermal, flammability, and antimicrobial properties of arrowroot (Maranta arundinacea) fiber reinforced arrowroot starch biopolymer composites for food packaging applications. International Journal of Biological Macromolecules, 213, 1–10.
Tyagi, P., Salem, K. S., Hubbe, M. A., and Pal, L. (2021). Advances in barrier coatings and film technologies for achieving sustainable packaging of food products – A review. Trends in Food Science & Technology, 115, 461–485.
Vinod, A., Sanjay, M. R., Suchart, S., and Jyotishkumar, P. (2020). Renewable and sustainable biobased materials: An assessment on biofibers, biofilms, biopolymers and biocomposites. Journal of Cleaner Production, 258, 120978.
Wang, S., and Jing, Y. (2017). Study on the barrier properties of glycerol to chitosan coating layer. Materials Letters, 209, 345–348.
Yaradoddi, J. S., Banapurmath, N. R., Ganachari, S. V., Soudagar, M. E. M., Sajjan, A. M., Kamat, S., Mujtaba, M. A., Shettar, A. S., Anqi, A. E., Safaei, M. R., Elfasakhany, A., Siddiqui, M. I. H., and Ali, M. A. (2022). Bio-based material from fruit waste of orange peel for industrial applications. Journal of Materials Research and Technology, 17, 3186–3197.
Yu, D., Jiang, Q, Xu, Y., and Xia, W. (2017). The shelf life extension of refrigerated grass carp (Ctenopharyngodon idellus) fillets by chitosan coating combined with glycerol monolaurate. International Journal of Biological Macromolecules, 101, 448–454.