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Hishamuddin Omar

Publications (7)

Fatty Acid Compositions of Mixed Microalgae from Tilapia Fish Ponds

Norhafizah Osman & Hishamuddin Omar · Asian Journal of Biology · 2019

Microalgae has been getting broad attention of researchers and investors lately, especially when discussing on healthy food and energy sources for the future. In this study, twelve samples of mixed microalgae from outdoor ponds were analyzed for their fatty acid compositions. The...

Open access Research Article 10.9734/ajob/2019/v8i130055

Influence of Lead on In vitro Seed Germination and Early Radicle Development of Acacia auriculiformis Cunn. Ex Benth Species

Abderrahmane Zerkout, Hishamuddin Omar, Mohd Hafiz Ibrahim & Muskhazli Mustafa · Annual Research & Review in Biology · 2018

Aims: To determine the impact of Pb on seed germination and early seedling development in A. auriculiformis species. Place and Duration of Study: The study was carried out in Department of Biology, University Putra Malaysia, between April 2016 and February 2017. Methodology: The...

Open access Research Article 10.9734/ARRB/2018/43393

Salicylic Acid Enhanced Photosynthesis, Secondary Metabolites, Antioxidant and Lipoxygenase Inhibitory Activity (LOX) in Centella asiatica

Mohd Hafiz Ibrahim, Hishamuddin Omar & Nurul Amalina Mohd Zain · Annual Research & Review in Biology · 2017

Aims: The primary aim of this work was to investigate the impact of foliar application of SA on the leaf gas exchange, the accumulation of secondary metabolites and Lipoxygenase Inhibitory activity (LOX) in medicinal plant C. asiatica. Study Design: The study used randomized comp...

Open access Research Article 10.9734/ARRB/2017/36153

Growth, Body Composition and Resistance to Aeromonas hydrophila Challenge in Juvenile African Catfish (Clarias gariepinus) Fed Diets Supplemented with Spirulina (Arthrospira platensis)

Nor Fatihah Mohd Nasir, Mohammad Noor Azmai Amal, Hishamuddin Omar, Ahmad Ismail & Nurul Shaqinah Nasruddin · Annual Research & Review in Biology · 2018

This study evaluates the growth, body composition, and resistance to Aeromonas hydrophila challenge in juvenile African catfish (Clarias gariepinus) fed diets supplemented with spirulina (Arthrospira platensis). Five experimental diets containing different percentages of locally...

Open access Research Article 10.9734/ARRB/2018/40870

Primary, Secondary Metabolites, Biochemical and Antioxidant Activity of Orthosiphon staminues Benth (Misai Kucing) Under Cadmium Exposure

Mohd Hafiz Ibrahim, Ahmad Ismail, Hishamuddin Omar, Mohd Noor Hisham Mohd Nadzir & Nurul Amalina Mohd Zain · Annual Research & Review in Biology · 2017

Aims: This study was conducted to evaluate the effects of cadmium (0, 3,6, 9 mg/kg) on the primary, secondary metabolites, biochemical and antioxidant activity in Orthosiphon stamineus. Study Design: Orthosiphon stamineus seedlings were exposed to four levels of Cd (0, 3, 6 and 9...

Open access Research Article 10.9734/ARRB/2017/36413

Application Effects of Cadmium and Humic Acid on the Growth, Chlorophyll Fluorescence, Leaf Gas Exchange and Secondary Metabolites in Misai Kucing (Orthosiphon stamineus) Benth

Mohd Hafiz Ibrahim, Ahmad Ismail, Hishamuddin Omar & Nurul Amalina Mohd Zain · Annual Research & Review in Biology · 2017

Aims: This experiment was conducted to investigate and distinguish the relationships in the production of total phenolics, total flavonoids, chlorophyll content, total biomass, leaf area, leaf nitrate, proline, net photosynthesis and chlorophyll fluorescence parameters under thre...

Open access Research Article 10.9734/ARRB/2017/36401

Formulation of Cost-effective Medium Using Urea as a Nitrogen Source for Arthrospira platensis Cultivation under Real Environment

Puganeswary Sukumaran, Rosimah Nulit, Normala Halimoon, Sanimah Simoh, Hishamuddin Omar & Ahmad Ismail · Annual Research & Review in Biology · 2018

Even though Arthrospira is a well-known superfood, it is not extensively commercialized in developing countries like Malaysia due to the high production cost with low biomass yield. Based on literature, the algal production cost can be discounted by reducing the cost of medium ut...

Open access Research Article 10.9734/ARRB/2018/38182