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  1. Fulltext Heating effect on quality characteristics of mixed canola cooking oils
    Baig A, Zubair M, Sumrra SH, Nazar MF, Zafar MN, Jabeen K, et al.
    BMC Chem, 2022 Jan 17;16(1):3.
    PMID: 35039092 DOI: 10.1186/s13065-022-00796-z
    BACKGROUND: The subcontinent is famous for its variety of seasonal foods cooked in vegetable seed cooking oils at elevated heating. Oils are often of poor quality that effect to consumer health. The work, therefore, planned to examine the effects of heat on the quality of mixed canola cooking oils (MCCOs). MCCOs were analyzed by preparing volatile fatty acid methyl esters (FAMEs) and for physiochemical properties.

    RESULTS: A major change was observed in the FAs composition of various MCCOs as coded K-1 to K-5. MCCOs were found rich in unsaturated 9-octadecanoic acid (oleic acid C18:1) and 9, 12-octadecadienoic acid (linoleic acid C18:2) along saturated octadecanoic acid (stearic acid C18:0). Results reveals that canola oil samples are mixed in the range of 4-30% with other vegetable oils and animal fats. The quality of canola cooking oils further reduced after heating to 100 °C, 200 °C and 350 °C, respectively. Quality parameters of MCCOs were significantly altered after heating and found as color (510-520 nm to 570-600 nm), mass 220-237 g to 210-225 g, volume 250 mL to 239 mL, pH (6.76-6.89), specific gravity (0.87-0.92), refractive index (1.471-1.475), saponification value (SV) (0.7-2.5), un-saponifiable matter (2.4-9.8%) and acid value (AV) (1.20-5.0 mg KOH).

    CONCLUSION: Heating of oils at elevated temperature have shown a significant effect on pH, specific gravity and un-saponifiable matter (p-value

  2. Fulltext Regulation of Host Immune Response against Enterobacter cloacae Proteins via Computational mRNA Vaccine Design through Transcriptional Modification
    Naveed M, Jabeen K, Naz R, Mughal MS, Rabaan AA, Bakhrebah MA, et al.
    Microorganisms, 2022 Aug 10;10(8).
    PMID: 36014038 DOI: 10.3390/microorganisms10081621
    Enterobacter cloacae is mainly responsible for sepsis, urethritis, and respiratory tract infections. These bacteria may affect the transcription of the host and particularly their immune system by producing changes in their epigenetics. In the present study, four proteins of Enterobacter cloacae were used to predict the epitopes for the construction of an mRNA vaccine against Enterobacter cloacae infections. In order to generate cellular and humoral responses, various immunoinformatic-based approaches were used for developing the vaccine. The molecular docking analysis was performed for predicting the interaction among the chosen epitopes and corresponding MHC alleles. The vaccine was developed by combining epitopes (thirty-three total), which include the adjuvant Toll-like receptor-4 (TLR4). The constructed vaccine was analyzed and predicted to cover 99.2% of the global population. Additionally, in silico immunological modeling of the vaccination was also carried out. When it enters the cytoplasm of the human (host), the codon is optimized to generate the translated mRNA efficiently. Moreover, the peptide structures were analyzed and docked with TLR-3 and TLR-4. A dynamic simulation predicted the stability of the binding complex. The assumed construct was considered to be a potential candidate for a vaccine against Enterobacter cloacae infections. Hence, the proposed construct is suitable for in vitro analyses to validate its effectiveness.
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