Physical and mechanical properties of edible films made from non-exportable Ecuadorian bananas
| Autor: | José Humberto Ayala-Armijos, Edison Omar Martínez-Mora, Fabián Patricio Cuenca-Mayorga, Juliana Criollo-Feijóo, Carlos Alberto García-González |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Morphology (linguistics)
Starch Agriculture (General) Veterinary medicine Dry basis Soil Science biopolymers 02 engineering and technology Plant Science S1-972 chemistry.chemical_compound Viscosity 0404 agricultural biotechnology Amylose Ultimate tensile strength SF600-1100 tropical fruit food coating Food science Solubility General Veterinary Average diameter food and beverages Agriculture 04 agricultural and veterinary sciences 021001 nanoscience & nanotechnology 040401 food science chemistry mechanical properties Animal Science and Zoology 0210 nano-technology Agronomy and Crop Science Food Science |
| Zdroj: | Revista de Ciências Agroveterinárias, Vol 19, Iss 4 (2020) |
| ISSN: | 2238-1171 1676-9732 |
| Popis: | This study set out to determine the physical and mechanical properties of edible films made from native starch extracted from non-exportable Ecuadorian bananas (Musa sapientum L.). The following treatments were applied: 0.5% starch - 0.25% glucose (T1), 0.5% starch - 0.5% glucose (T2), 1% starch - 0.25% glucose (T3), and 1% starch - 0.5% glucose (T4). Variables such as physicochemical properties, amylose content, maximum gelation temperature, and the morphology of native starch granules were assessed. Variables in the film, such as thickness, opacity, film solubility, and tensile strength, were also measured. The fruit used in this study was composed of 88.55% starch (dry basis, 15.35% amylose). The starch granules had a dominant ovoid morphology with an average diameter of 25 - 30 μm. The peak gelatinization temperature was 73.80 °C. The maximum value for viscosity was 3,836 cP at 86.8 °C. Films that presented good malleability, thickness, transparency, tensile strength, and low solubility were obtained from T4, which turned out to be the best treatment. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|