Zarina Zakaria
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Zarina Zakaria
Official Name
Zarina, Zakaria
Alternative Name
Zakaria, Zarina
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Researcher ID
36459339400

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  • Publication
    Evaluation of various lignocellulosic biomass and cereal grains as potential spawn materials for wild Schizophyllum commune cultivation
    ( 2020-12-18)
    Siti Aminah Mohd Hassan
    ;
    Sam Sung Ting
    ;
    Nur Zatul 'Iffah Zakaria
    ;
    Norhidayah Abd Aziz
    ;
    Zarina Zakaria
    ;
    Nurfatirah N.
    ;
    Azhar M.
    Rapid mycelium growth in spawn production and on growth substrate could suppress contamination, which is significant in mushroom industry. The aim of the study is to investigate the potential of lignocellulosic biomass waste as new materials alternative to common cereal grains in producing spawn for wild S. commune cultivation on rice husk, paddy straw, and rubber wood sawdust. The fastest mycelium growth among lignocellulosic biomass was found on rice husk spawn (1.27 cm/day) and 1.98 cm/day for wheat grain. The shortest duration for substrate colonization for both lignocellulosic and grain spawn is on paddy straw, followed by rice husk, and rubber wood sawdust.
  • Publication
    Influence of pH and temperature on in vitro mycelial growth performance of wild edible Schizophyllum commune of northern Malaysia
    (AIP Publishing, 2020)
    Siti Aminah Mohd Hassan
    ;
    Sam Sung Ting
    ;
    Zarina Zakaria
    The mycelial growth performance of wild isolated Schizophyllum commune of Northern Malaysia on Potato Dextrose Agar (PDA) and Malt Extract Agar (MEA) was first compared in order to be further used in the study. A total of 7 and 13 days was required by the mycelial to fully colonized MEA and PDA in the petri dish respectively. Hence MEA was selected in investigating mycelial growth rate at different pH (5 to 10) and different temperature (20, 25, 30, and 35?). Results showed that wild S. commune growth rate was the highest (10.91±0.37mm/day) on MEA at pH 6 with incubation temperature of 30?. Biomass dry weight, pellets diameter, and final pH in Malt Extract Broth (MEB) at different pH were examined under optimal growth temperature (30?) after 14 days of liquid state fermentation. High biomass dry weight was obtained from culture incubated at pH 5 (4.84g/L) and 6 (4.87g/L) and the longest pellet diameter was obtained at pH 6 (45.6mm). There were decrements in pH value observed after end of the liquid state fermentation. It was expected that the growth data gathered in the study can be utilized later to design optimal pH and temperature conditions for artificial cultivation of S. commune.