Ahmad Anas Nagoor Gunny
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Preferred name
Ahmad Anas Nagoor Gunny
Official Name
Ahmad Anas, Nagoor Gunny
Alternative Name
Nagoor Gunny, Ahmad Anas
Gunny, A. A.N.
Nagoor Gunny, A. A.
Ahmad Anas, N. G.
Gunny, Ahmad Anas Nagoor
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Scopus Author ID
55940833700
Researcher ID
AFF-6251-2022

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  • Publication
    Deep Eutectic Solvent-Assisted Synthesis of Nanocrystalline Cellulose Adsorbent for Silver Nitrate Removal
    ( 2023-01-01)
    Ahmad Anas Nagoor Gunny
    ;
    Aminuddin N.H.
    ;
    Azalina Mohamed Nasir
    ;
    Hashim R.H.R.
    ;
    Jalil M.F.A.
    ;
    Pakir M.A.A.S.
    ;
    Mohamed Mydin Hj M.Abdul Kader
    ;
    Rahman A.
    This study introduces application of deep eutectic solvent-assisted of nanocrystalline cellulose adsorbent for silver nitrate removal. The study aims to offer new green and low energy method in producing nano crystalline cellulose (NCC). NCC from microcrystalline cellulose (MCC) was extracted by using synthesized acidic DES. NCC fabricated was found to have a capability to act as a biosorbent for removal of silver nitrate (AgNO3). The adsorption kinetics and isotherm of silver nitrate on NCC were studied by varies initial concentration of silver nitrate and contact time. The experimental data were analyzed by using Langmuir and Freundlich models of adsorption. The adsorption isotherm data were fitted well to Freundlich adsorption isotherm. The biosorption kinetics data obtained at different time have been analyzed using pseudo-first order and pseudo-second order equation. The experimental data fitted well to pseudo-second order kinetics model. Application of novel and green acidic DES for production of NCC from lignocellulose will contribute to a new paradigm in a green adsorption study.
  • Publication
    Effects of incorporation of essential oil into film for fruit packaging application
    ( 2021-05-24)
    Hashim R.H.R.
    ;
    Ahmad Anas Nagoor Gunny
    ;
    Sam Sung Ting
    ;
    Kamaludin N.H.I.
    ;
    Shamsuddin M.R.
    Biodegradable composite films with antimicrobial properties consists of three biopolymers (polysaccharides, proteins, fats), additives (plasticizers, emulsifiers), and synthetic or natural antimicrobial. Biodegradable packaging embedded in food products with antimicrobial agent such as essential oils (EOs) is an innovative green technology based on a novel approach to substitute conventional and synthetic petroleum packaging. Good packaging is necessary to prevent spoilage during postharvest stage. Introducing EOs onto the fruit packaging films strongly inhibiting bacterial and fungal activities on the fruit products and gives positive effect on the storage of the products. This review focuses on the contribution of the incorporation of EOs and biodegradable films to prolonging the shelf life of fruit products in addition to reduce the risk of growth of pathogenic bacteria on the surface of fruit products. Essential oils incorporated into film provides a new strategy and improves efficiency of fruit packaging film in enhancing quality and shelf life of post-harvest fruit products.
  • Publication
    THE EFFECT OF NANOFILLERS ON THE FUNCTIONAL PROPERTIES OF PLA AND CHITOSAN BASED FILM
    ( 2023-01-01)
    Hashim R.H.R.
    ;
    Ahmad Anas Nagoor Gunny
    ;
    Sam Sung Ting
    ;
    Kamaludim N.H.I.
    ;
    Subash Chandra Bose Gopinath
    The aim of this study was to develop poly (lactic acid) and chitosan-based films and to examine the effect of cellulose nanocrystal (CNC) as nanofillers on the properties of the films. The biofilms were prepared by solvent casting method. The physical and mechanical properties of the resulting films were examined. SEM analysis showed that the surface of PLA/Cs films smoother when 1% and 2 % of CNC were added. The results for percent of water absorption of the films increased with increasing amount of CNC in PLA/Chitosan matrix. Tensile test results indicated higher TS value by incorporation of 2% of CNC. However, the PLA/Chitosan-CNC films at 3% and 4% CNC concentration exhibited a decreased TS value. PLA/Chitosan films were improved with the addition of a small amount of CNC resulting in PLA nanocomposite, which will be further evaluated for fruit packaging applications. The data obtained through this research could contribute to the establishment of a biofilms with improved the physical and mechanical properties promising significant advantages in term of longer storage life, maintaining safety, and keeping quality of a product especially in fruit packaging.
      2  12
  • Publication
    Microwave-assisted solvent-free extraction of essential oil from Coleus aromaticus: anti-phytopathogenic potential for fruit post-harvesting
    (Springer Science and Business Media Deutschland GmbH, 2021-04-01)
    Ahmad Anas Nagoor Gunny
    ;
    Misnan N.M.
    ;
    Subash Chandra Bose Gopinath
    ;
    Salleh N.H.M.
    ;
    Hashim R.H.R.
    ;
    Mat M.H.C.
    This work evaluates the fungicidal effect of essential oil from Coleus aromaticus (C. aromaticus) by solvent-free microwave-assisted extraction with a yield of 0.54%. Fourier-transform infrared spectroscopy was utilised to identify the functional groups, which were O–H, C–O, C–H, and C=C. Gas chromatography–mass spectrometry analysis was performed to determine the primary essential oil components, namely, thymol (92.62%), thymoquinone (2.64%), creosol (1.77%), linalool (1.68%), p-Cymene-2,5-diol (0.73%), and p-Cymene (0.56%). The inhibitory effect of essential oil extracted from C. aromaticus against the isolated fungi, Aspergillus niger from mango, was investigated. The mycelial growth inhibition of the extracted essential oil by the poisoned food test and disc diffusion assay showed the reduction at 79.63 ± 1.7 and 70.45 ± 6.54%, respectively. In vivo experiment was conducted with artificially wounded and unwounded mangoes, applying the extracted essential oil to the wounded mangoes inoculated with A. niger that could decrease the disease incidence from 100 to 58.33 ± 14.43%. Meanwhile, the treatment of the extracted essential oil did not affect the quality of the mango and it also shows improvement in weight loss reduction of the mango in comparison to the chemical fungicide and untreated mango. Hence, essential oil from C. aromaticus by solvent-free microwave-assisted extraction could be used as an effective control for the fruit spoilage and potential source of fruit preservative.
      11  12