Browsing Zarina Zakaria, Assoc. Prof. Dr. by Title

Now showing items 4-14 of 14

    • Determination of flavonoids in Citrus grandis (Pomelo) peels and their inhibition activity on lipid peroxidation in fish tissue 

      Zarina, Zakaria, Dr.; S., Y. Tan (Faculty of Food Science & Technology, UPM., 2013)
      The peels of pomelo contribute 30% of the fruit weight and yet it has been dump without recognizing the possible nutritional value of the peels. Study has been carried out to identify flavonoid content of the peels and ...

    • Effect of buffer and pH on the protein extraction for chicken meat 

      M. K., Nahar; Zarina, Zakaria, Dr.; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
      The study was undertaken to determine the extraction of proteins from chicken meat. The effect of buffer (phosphate, citrate and glycine) and four pH values (6.0, 7.0, 8.0 and 9.0) were investigated. The protein extractability ...

    • Effect of nutrient modification on growth and flavonone production from callus culture of Citrus grandis 

      Azlinda, Abdul Ghani; Zarina, Zakaria, Dr.; Ku Syahidah, Ku Ismail; Nor Alina, Nazri (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      This paper discus on the production of flavonones, one of the flavonoids compounds that correlated with antioxidants activities in callus culture of pomelo. This is an alternative strategy of producing natural antioxidants ...

    • The effects of holding time and the sweeping nitrogen gas flowrates on the pyrolysis of EFB using a fixed–bed reactor 

      Alina Rahayu, Mohamed; Zainab, Hamzah, Prof. Madya Dr.; Mohamed Zulkali, Mohamed Daud, Prof. Madya Dr.; Zarina, Zakaria, Dr. (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      The abundance of empty fruit bunch (EFB) was generated over time as the by-products during oil palm fresh fruit bunches processing for the production of crude palm oil. The EFB was viewed as renewable energy resources. In ...

    • Flavonone from Callus Culture of Pomelo (Citrus grandis) 

      Azlinda, A.; Zarina, Zakaria, Dr.; Ku Syahidah, Ku Ismail; Nor Alina, N. (University Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2009-12-12)
      The citrus family is well known on their antioxidant activity compounds known. The complex world of antioxidant and their diversity have imposed great influence on human well being. Flavonoids are among large group of ...

    • Growth kinetic of fresh and frezee-dried pleurotus sajor-caju (oyster mushroom) mycelium for preservation study 

      Zarina, Zakaria, Dr.; Chong, Shi Fern; Amirul Rasyid, Zahari; Nurul Aina, Fauzi; Sharul Aida, Mohd Shayuti (Trans Tech Publications, 2014)
      An investigation was conducted to determine an effective media condition for the growth of fresh and freeze-dried oyster mushroom mycelium. Fresh and freeze-dried mycelium sub-culture on liquid media obtained 0.3022 and ...

    • Halal based sourced EM for turbidity reducing in wastewater treatment 

      Zarina, Zakaria; Noorulnajwa Diyana, Yaacob; Mohd Mustafa Al-Bakri, Abdullah; Che Mohd Ruzaidi, Ghazali, Prof. Madya (Trans Tech Publications, 2014)
      Effective Microorganism (EM) technology was found as the credible solution to solve many environmental problems including wastewater issues. The EM which is in the form of EM mud ball was tested to be effectively used for ...

    • Optimization of protein content in earthworm-based fish feed formulation for catfish (Clarius gariepinus) 

      Zarina, Zakaria, Dr.; Noor Hasyierah, Mohd Salleh; Alina Rahayu, Mohamed; Ahmad Anas, Nagoor Gunny; Siti Nur Amirah, Idris (Penerbit Universiti Kebangsaan Malaysia (UKM)Fakulti Sains dan Teknologi, 2012-09)
      The optimization of protein content in earthworm-based fish feed formulation was investigated in the study. Full factorial design (FFD) and central composite design (CCD) were used as a statistical tool to screen the range ...

    • Protein solubility behaviour of fresh and frozen chicken meat in slaughtering and non slaughtering condition 

      Nahar, M. K.; Zarina, Zakaria, Dr.; Uda, Hashim, Prof. Dr. (Faculty of Food Science & Technology, Universiti Putra Malaysia, 2014)
      This work was investigated the protein solubility properties of meat from chicken in different body part. The effects of fresh and freezing condition were studied on the protein solubility as a functional property of ...

    • Recycling Engineering of PCBs for Copper Recovery 

      Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohamed Zulkali, Mohamed Daud, Assoc. Prof. Dr.; Alina Rahayu, Mohamed; Zarina, Zakaria, Dr.; Khairul Farihan, Kasim; Ku Syahidah, Ku Ismail; Farizul Hafiz, Kasim (Malaysian Invention and Design Society (MINDS), 2007-05-18)

    • Total Nitorgen Content from Earthworm (Eisenia Foetida) Using The Kjeldahl Method 

      Zarina, Zakaria; Alina Rahayu, Mohamed; Noor Hasyierah, Mohd Salleh; Siti Nursheela, Abu Mansor (IIUM Press, International Islamic University Malaysia, 2013)
      In the fish aquaculture management, fish feed is identified as a major problem. The high cost and scarcity of fishmeal in formulated feeds have led to the use of other protein sources such as earthworms ...