Edible films to improve quality and shelf life of fresh tortillas

Serrano, Carmo; Santos, Rafael; Viegas, Cláudia; Sapata, Margarida; Santos, Rui; Condeço, José; Bordado, J. C.

doi:10.1016/j.ijgfs.2022.100480

Cited by 10 publications

(4 citation statements)

References 31 publications

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“…For the coated fruit, TSS was increased for the first 10 days and after which there was a reduction from day 15 to day 20. This was similar to that reported by Carmo et al (2022). In some studies, TSS values of coated fruits have been found to be marginally higher that the uncoated fruits (Thakur et al, 2018;Akudo et al, 2023).…”

Section: Total Soluble Sugars (Tss)supporting

confidence: 88%

“…This can be attributed to the protein composition of the plantain peel which was used in the development of the edible coating. The properties of an edible coating help to improve the nutritional quality of the fruit (Carmo et al, 2022). The crude fat content of African elemi as seen in (Table 1) was between 31.02 % -32.24 %.…”

Section: Proximate Composition Of African Elemi (Canarium Schweinfurt...mentioning

confidence: 99%

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Effect of edible coating made from plantain peel waste on the quality of African elemi (Canarium schweinfurthii) fruit

Okolo,

Iwe,

Nwabueze

2024

DRJAFS

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Edible coating was developed from plantain peel waste and applied to improve the quality and postharvest storage of African elemi (Canarium Schweinfurthii). Application of edible coating on the African elemi (Canarium Schweinfurthii) fruit improved the nutritional composition. The protein content of the coated fruit was (17.94%), crude fibre (3.91%) and ash content (3.64%). The proximate composition of the coated African elemi fruit was higher when compared to the uncoated fruit sample which had a protein content of (11.47%), crude fibre content (1.84%) and ash content (1.42%). Fruit with edible coating after 20 days, was still generally acceptable. The uncoated and coated African elemi fruits showed varying physicochemical properties across the storage period as firmness was (46.93 -53.30N/m) for uncoated and (47.78 -53.3-N/m) for coated. Decay Incidence was (60%) for uncoated and (10% for coated). Weight loss was (1.37 -2.49%) for uncoated and 0.61 -1.92% for (coated) while the total soluble solids (12.55 -13.32 o Brix) for uncoated) and (12.55 -14.29 o Brix) for coated. The study showed that application of edible coating on the African elemi fruit will help reduce the postharvest loss of the fruit which is mostly as a result of hardening and rotting.

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Section: Total Soluble Sugars (Tss)supporting

confidence: 88%

Section: Proximate Composition Of African Elemi (Canarium Schweinfurt...mentioning

confidence: 99%

Effect of edible coating made from plantain peel waste on the quality of African elemi (Canarium schweinfurthii) fruit

Okolo,

Iwe,

Nwabueze

2024

DRJAFS

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“…The solubility of the films is an indicator of the strength of the packaging when exposed to a water-containing environment [ 46 ]. Potential applications often involve water insolubility to improve integrity and water resistance, but in some cases increased solubility is desirable, as is the casewith fast dissolving films.…”

Section: Methodsmentioning

confidence: 99%

Formulation, Characterization and Optimization of β–Glucan and Pomegranate Juice Based Films for Its Potential in Diabetes

Avramia

Amariei

2022

Nutrients

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The aim of this study was to develop films based on β–glucans in association with pomegranate juice for its potential in metabolic disorders such as diabetes due to plenty of bioactive compounds from the film composition. Initially, a Box-Behnken design was generated by varying the level of β–glucan content (0.5, 1, 1.5 g), sodium alginate (0.2, 0.4, 0.6 g) and pomegranate juice (10, 20, 30 mL) for development of films. Subsequently, glycerin was added as 25% of the total dry matter. The optimization of the films prepared by the solvent casting method was conducted based on the different responses such as: water vapor transmission rate (WVTR), water vapor permeability (WVP), thickness, density, moisture content, solubility, film opacity and color. The water activity profile and FT–IR analysis were performed in all tests. The model was used to determine the optimal experimental values considering that the optimal film will make a sustained contribution to diabetes. The optimal values of the film sample made of β–glucans, sodium alginate, pomegranate juice and glycerin make it befitting for packaging dry powdered pharmaceuticals. Finally, antimicrobial activity against Gram-negative and Gram-positive bacteria, UV barrier properties and microcrack and pore detections through SEM were also investigated for the optimal film sample.

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“…[46] The bands found in TPS (Figure 2Ba) are similar to those reported in the literature. [8,21,47] At 3300 cm −1 corresponds to the stretching of hydroxyl groups (-OH), followed by a double peak at 2923 and 2851 cm −1 , which is associated with the asymmetric and symmetric stretching of alkyl groups (-C-H), respectively. Additionally, the band at 1650 cm −1 was allocated to the absorption of water molecules, [48] while those at 1148 and 1077 cm −1 are related to the C-O and C-C stretching.…”

Section: Ftirmentioning

confidence: 99%

Properties of Starch‐Based Nanocomposites with Starch‐Coated ZnONP Obtained by Flat‐Die Extrusion

et al. 2023

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Fast-growing environmental concern has made nanotechnology surge as an enhancer of eco-friendly materials. In this research, biodegradable and active nanocomposites are developed from thermoplastic starch films with the incorporation of different concentrations of zinc oxide nanoparticles eco-friendly synthesized with starch (ZnONP) (0, 0.5, 1, 2, and 5 wt.%) by flat-die extrusion. ZnONP at 2 and 5 wt.% enhances Young's modulus (E), strain at break (𝝐 b ), and tensile toughness (T), and decreases the water solubility (WS) and moisture content (MC), also inhibiting the growth of Escherichia coli. Additionally, with 5 wt.% of nanofiller, a hydrophobic material with UV-A and UV-B shielding is also achieved. Furthermore, all films are fully biodegraded in vegetal compost at around 4 weeks. The results show that ZnONP can be a very promising alternative as a reinforcing and active agent for preparing new starch-based nanocomposites for the food packaging and coating industry.

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Edible films to improve quality and shelf life of fresh tortillas

Cited by 10 publications

References 31 publications

Effect of edible coating made from plantain peel waste on the quality of African elemi (Canarium schweinfurthii) fruit

Effect of edible coating made from plantain peel waste on the quality of African elemi (Canarium schweinfurthii) fruit

Formulation, Characterization and Optimization of β–Glucan and Pomegranate Juice Based Films for Its Potential in Diabetes

Properties of Starch‐Based Nanocomposites with Starch‐Coated ZnONP Obtained by Flat‐Die Extrusion

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