Development of anchote (Coccinia abyssinica) starch-based edible film: response surface modeling and interactive analysis of composition for water vapor permeability

Beyan, Surafel Mustefa; Amibo, Temesgen Abeto; Sundramurthy, Venkatesa Prabhu

doi:10.1007/s11694-022-01338-w

Cited by 15 publications

(9 citation statements)

References 59 publications

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“…FTIR graphs demonstrate the presence of specific components, functional groups that contributed to making chemical interactions, and molecular arrangement to determine an amorphous or crystalline structure. Moreover, FTIR confided that the extent of cross‐linking or polymerisation affected the film's mechanical strength, barrier properties and stability (Beyan et al ., 2022). Figure 3 shows the different spectra of Chl powder, CS films and CS‐Chl x films.…”

Section: Resultsmentioning

confidence: 99%

“…The wavenumbers 2912, 1744 and 1554 cm −1 suggested the presence of a C‐H stretching bond, strong C=O stretching conjugated anhydride compound and N‐O stretching nitro compounds respectively. Small peaks around 1382 and 865 cm −1 equivalently represented C‐H bending aldehyde and C=C bending substitution in the pure Chl powder correspondingly (Beyan et al ., 2022; Kumar et al ., 2022).…”

Section: Resultsmentioning

confidence: 99%

“…The CS and CS‐Chl x films illustrated similar characteristics of pinnacle around 3256, 2996, 2928, 1720, 1151 and 996 cm −1 but with different intensities. They are characterised by broad, strong O‐H stretching bond, medium C‐H stretching bond, strong C=O stretching, strong C‐O (ether) stretching bond and string C=C bending respectively (Beyan et al ., 2022). The characteristic peaks of Chl powder red‐shifted with CS and CS‐Chl x films supported that Chl powder was integrated with CS molecules decently.…”

Section: Resultsmentioning

confidence: 99%

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The characterisation of cornstarch‐based chlorophyllin composite film for preservation of shrimp under photodynamic irradiation

Ukwatta,

Zheng,

et al. 2024

Int J of Food Sci Tech

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SummaryThis study investigated the effectiveness of a composite film made of cornstarch (CS) and chlorophyllin (Chl) in preserving wrapped and irradiated shrimp for 5 days at 4 °C. The study found that adding Chl powder increased moisture content, water solubility, water vapour permeability and water contact angle but reduced thermal stability and crystallinity. Notably, higher Chl concentration caused rougher surface and looser structure, while lower concentration resulted in better dispersion. Moreover, increased Chl concentration and longer irradiation time led to higher singlet oxygen production, while hydroxide radical and hydrogen peroxide production peaked at 30.57 and 1.92 μg g−1 respectively. Shrimps wrapped in 5% Chl‐incorporated CS films presented acceptable levels of nitrogen and bacterial count for up to 4 days. Hence, the study suggests that Chl powder inclusion in CS films could be a viable preservation method in the food packaging industry, especially when combined with photodynamic therapy.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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The characterisation of cornstarch‐based chlorophyllin composite film for preservation of shrimp under photodynamic irradiation

Ukwatta,

Zheng,

et al. 2024

Int J of Food Sci Tech

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“…XRD (Olympus BTX ™ -528) examination was carried out via Cu-Co through a source of radiation (30 kV and 10 W) with an angle of diffraction (2θ) of 10 °to 80 °. e value of the threshold for splitting was 4 [21,[28][29][30][31][32].…”

Section: Xrd Analysismentioning

confidence: 99%

Specific Surface Area Enhancement of Waste Tire-Based Activated Carbon by Demineralization Technique and Adsorption of Methylene Blue

Kassahun

Hailegiorgis

Beyan

2022

International Journal of Chemical Engineering

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This study was focused on the synthesis of activated carbon from a waste tire and the enhancement of its specific area by a demineralization technique that can be used for the removal of methylene blue dye (MB). Maximum MB removal (89.41%) was attained at an impregnation ratio value of 0. A maximum yield (42.65%) was found at 48 h. Waste tire-based activated carbon (WTAC)'s ability to remove MB was increased by large values up to an impregnation time of 24 h. WTAC has a maximum MB removal of 90.13% at 4 M of KOH. The sample had a surface area of 53 m2/g. This sample was demineralized by using NaOH and H2SO4 in a 1 : 1 ratio, and the surface area was enhanced to 257 m2/g. In the demineralization process, a massive decrement of metals from the waste was seen; for each metal, namely, Zn2+, Al3+, Ca2+, and Mg2+, 43.79%, 32.45%, 27.95%, and 6.843% reductions were achieved, respectively. After this process, the maximum removal of MB was found at 1.2 g adsorbent dosage, 120 min, pH 8, the temperature of 20°C, and an initial dye concentration of 10 mg/L. The adsorption mechanism revealed that the process of adsorption happens at a specific site of homogeneous adsorption on the surface of the adsorbent. The kinetics study showed that the adsorption process of the dye is mainly affected by the chemical reaction.

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“…Regression models equation S(E1) and aligned diagrams of the interactive relationships between them and the response variable may be used to illustrate the interactive reaction between four independent factors and dependent variables. Diagnostic diagrams, such as the normal probability distribution diagram of residuals and the diagram of projected values vs. real values, can also be used to assess the model's suitability [40][41][42][43]. e points in these diagrams are all on a pretty straight line, indicating that the variance and normal distribution are both constant.…”

Section: E Prediction Of the Optimum Conditions Of Responsesmentioning

confidence: 99%

Wastewater Treatment Using a Photoelectrochemical Oxidation Process for the Coffee Processing Industry Optimization of Chemical Oxygen Demand (COD) Removal Using Response Surface Methodology

Abdi

Samuel

Debela

et al. 2022

International Journal of Analytical Chemistry

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The elimination of organic compounds in coffee processing effluent utilizing electrochemical oxidation (ECO) as well as a combination of electrochemical oxidation (ECO) and ultraviolet and hydrogen peroxide (UV/H2O2) was explored. Then, the percentage reduction of chemical oxygen demand (COD) was investigated. The effect of different experimental factors such as solution pH, sodium chloride (NaCl) concentration, calcium chloride (CaCl2) concentration, electric current, electrolysis duration, and hydrogen peroxide dosage on the percent removal efficiency of the hybrid electrochemical oxidation (ECO) with the ultraviolet and hydrogen peroxide (UV/H2O2) process has been investigated. The response surface methodology (RSM) based on central composite design (CCD) was used to organize the trial runs and optimize the results. The hybrid electrochemical oxidation (ECO) with the ultraviolet and hydrogen peroxide (UV/H2O2) process removed 99.61% of the chemical oxygen demand (COD) with a low power usage of 1.12 kWh/m3 compared to the other procedures, according to the experimental data analysis. These findings were obtained with a pH of 7, a current of 0.40 A, 1.5 g of CaCl2, and a total electrolysis period of 40 minutes. When it came to eliminating organic compounds from coffee manufacturing effluent, CaCl2 outperformed NaCl. Analysis of variance (ANOVA) with 95% confidence limits was used to examine the significance of independent variables and their interactions.

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Development of anchote (Coccinia abyssinica) starch-based edible film: response surface modeling and interactive analysis of composition for water vapor permeability

Cited by 15 publications

References 59 publications

The characterisation of cornstarch‐based chlorophyllin composite film for preservation of shrimp under photodynamic irradiation

The characterisation of cornstarch‐based chlorophyllin composite film for preservation of shrimp under photodynamic irradiation

Specific Surface Area Enhancement of Waste Tire-Based Activated Carbon by Demineralization Technique and Adsorption of Methylene Blue

Wastewater Treatment Using a Photoelectrochemical Oxidation Process for the Coffee Processing Industry Optimization of Chemical Oxygen Demand (COD) Removal Using Response Surface Methodology

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