Application of an environmentally friendly preventive measure for the preservation of fresh vegetables

Paulikienė, Simona; Raila, Algirdas; Žvirdauskienė, Renata; Zvicevičius, Egidijus

doi:10.1007/s13197-019-03696-8

Cited by 7 publications

(3 citation statements)

References 32 publications

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“…Banana is a plant that is typically consumed as fresh fruit and popular across the world especially Southeast Asia [21]. Peels and pith of banana is a non-food waste material that can easily obtained and are the most discarded fruit wastes that can be found in Malaysia [22]. The total yield of banana production in Malaysian showed an upward trend of increase from 2007 to 2012 which results in 806 337.6 tonnes of banana biomass discarded in 2012 [23].…”

Section: Introductionmentioning

confidence: 99%

Combined Effects of Banana Peels and Pith as Dual Natural Plant-Based Coagulants for Turbidity Removal

Esther Jebarani Rayer,

Mimi Suliza Muhamad,

Najeeha Mohd Apandi

et al. 2024

ARAM

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Plant-based coagulants are foreseen for their coagulation ability in par with chemical coagulants owing to their biodegradability, availability, and effectiveness, while chemical coagulants are known to pose a threat to the environment due to generation of toxic sludge. This study investigates the performance of combined banana peels and banana pith as dual natural plant-based coagulants for turbidity removal. Banana peel powder solution (BPPS), banana pith juice (BPJ), and the combination of BPPS and BPJ were prepared via several steps, including drying, grinding, sieving, mixing, and crushing. The three types of coagulant produced were tested in a series of jar test experiments under the effects of different dosages, pH, and mixing speeds. The scanning electron microscopy images of banana pith show the formation of multicellular fibers, while irregular shapes and micro-rough crate-like pores are formed in banana peels, which contribute to the adherence of contaminants. Jar test results revealed the highest turbidity removal of 97.3, 98.0, and 99.1% was attained by using 60, 80, and 20:20 mg/L of banana peel powder solution, banana pith juice, and a combination of banana peel powder solution and banana pith juice coagulant dosage, respectively, with an optimum pH of 2, at a rapid mixing rate of 180 rpm (5 minutes) and a slow mixing of 60 rpm (20 minutes). Significantly, this removal was attributed to the presence of proteins and polysaccharides in both banana peels and pith. The findings suggested that banana peels and pith are applicable as natural plant-based coagulants for turbidity removal in the water treatment process and a potential substitute for conventional coagulants. In addition, the combined banana peels and banana pith coagulant prove to be more efficient than the existing banana peels and banana pith coagulant.

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Section: Introductionmentioning

confidence: 99%

Combined Effects of Banana Peels and Pith as Dual Natural Plant-Based Coagulants for Turbidity Removal

Esther Jebarani Rayer,

Mimi Suliza Muhamad,

Najeeha Mohd Apandi

et al. 2024

ARAM

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“…Ozone is well-known for its ability to readily decompose to oxygen in the air, and on contact with the product, residues are minimal or they dissipate and there is no need to remove the resulting gas [ 11 ]. Ozone is an environmentally friendly, cost-effective and Generally Recognised as Safe (GRAS) food processing technology that kills 99% of microorganisms and is used instead of heat treatment as it does not require heat energy [ 11 , 12 , 13 ]. Thus, the ozone treatment of products can improve the economic benefits, microbiological safety and shelf life of quality food products.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Hydrothermal Treatment of Winter Wheat Grain with Ozonated Water

Paulikienė,

Žvirdauskienė

2023

Plants

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Products must be cleaned or otherwise treated to keep them clean when they are prepared for further production or when they are supplied fresh to the consumer. Cereals have significantly lower settling losses than succulent agricultural products, but the risks that can arise from their hydrothermal treatment before milling—where the cereals are moistened and left to rest for 14 h (temperature 30 °C)—are often underestimated. This operation creates a favourable environment for the development of micro-organisms, which, if not destroyed, can continue throughout the processing stages and be passed on to the consumer. This study investigated the qualitative characteristics of winter wheat hydrothermally treated with ozonated water at a concentration of 1.51 ± 0.1 mg L−1, such as the amount of mould in the grains and flour, as well as the grain protein, moisture, gluten, sedimentation, starch and weight per hectolitre. For the assessment of these parameters, the account was taken of the State standard, which provides the grain class and the type of grain. The reduction in mould fungi after the treatment of the winter wheat grain with ozonated water ranged between 440 and 950 CFU g−1. The results of the microbiological analysis showed that the ozone treatment improved the mycological safety of the flour samples made from the grain from an average of 390 ± 110 CFU g−1 to 29 ± 12 CFU g−1. On the other hand, the treatment of kernels with ozonated water did not significantly affect the basic composition of the winter wheat grains.

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“…Various natural bioactive compounds have been identified in fruit extract of Phoenix dactylifera, i.e., luteolin, protocatechuic acid, quercetin, gallic acid, resorcinol, chelidonic acid, and chlorogenic acid [31]. The antioxidant potential of Phoenix dactylifera is possible due to the occurrence of phenolics, melatonin, carotenoids, and vitamins contents, e.g., p-coumaric acid [32].…”

Section: Introductionmentioning

confidence: 99%

Antioxidant, LC-MS Analysis, and Cholinesterase Inhibitory Potentials of Phoenix dactylifera Cultivar Khudari: An In Vitro Enzyme Kinetics and In Silico Study

Almalki,

Alqurashi,

Alturaiki

et al. 2023

Biomolecules

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We evaluated the therapeutic potentials of Khudari fruit pulp, a functional food and cultivar of Phoenix dactylifera, against neurological disorders. Our results demonstrate a good amount of phytochemicals (total phenolic content: 17.77 ± 8.21 µg GA/mg extract) with a high antioxidant potential of aqueous extract (DPPH assay IC50 = 235.84 ± 11.65 µg/mL) and FRAP value: 331.81 ± 4.56 µmol. Furthermore, the aqueous extract showed the marked inhibition of cell-free acetylcholinesterase (electric eel) with an IC50 value of 48.25 ± 2.04 µg/mL, and an enzyme inhibition kinetics study revealed that it exhibits mixed inhibition. Thereafter, we listed the 18 best-matched phytochemical compounds present in aqueous extract through LC/MS analysis. The computational study revealed that five out of eighteen predicted compounds can cross the BBB and exert considerable aqueous solubility. where 2-{5-[(1E)-3-methylbuta-1,3-dien-1-yl]-1H-indol-3-yl}ethanol (MDIE) indicates an acceptable LD50. value. A molecular docking study exhibited that the compounds occupied the key residues of acetylcholinesterase with ΔG range between −6.91 and −9.49 kcal/mol, where MDIE has ∆G: −8.67 kcal/mol, which was better than that of tacrine, ∆G: −8.25 kcal/mol. Molecular dynamics analyses of 100 ns supported the stability of the protein–ligand complexes analyzed through RMSD, RMSF, Rg, and SASA parameters. TRP_84 and GLY_442 are the most critical hydrophobic contacts for the complex, although GLU_199 is important for H-bonds. Prime/MM-GBSA showed that the protein–ligand complex formed a stable confirmation. These findings suggest that the aqueous extract of Khudari fruit pulp has significant antioxidant and acetylcholinesterase inhibition potentials, and its compound, MDIE, forms stably with confirmation with the target protein, though this fruit of Khudari dates can be a better functional food for the treatment of Alzheimer’s disease. Further investigations are needed to fully understand the therapeutic role of this plant-based compound via in vivo study.

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Application of an environmentally friendly preventive measure for the preservation of fresh vegetables

Cited by 7 publications

References 32 publications

Combined Effects of Banana Peels and Pith as Dual Natural Plant-Based Coagulants for Turbidity Removal

Combined Effects of Banana Peels and Pith as Dual Natural Plant-Based Coagulants for Turbidity Removal

Evaluation of Hydrothermal Treatment of Winter Wheat Grain with Ozonated Water

Antioxidant, LC-MS Analysis, and Cholinesterase Inhibitory Potentials of Phoenix dactylifera Cultivar Khudari: An In Vitro Enzyme Kinetics and In Silico Study

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