Khamsah Mohd

Khamsah Mohd
Universiti Sultan Zainal Abidin | UniSZA | unisza · Faculty of Bioresources and Food Industry

PhD

About

100
Publications
41,749
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579
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January 2007 - present
Universiti Sultan Zainal Abidin
Position
  • Professor

Publications

Publications (100)
Article
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Lemon trees (Citrus lemon L.) are among the trees scattered in Southeast Asia, especially Malaysia, The importance of lemons has increased in recent times, especially after the spread of the Covid-19 epidemic around the world, as lemon juice rich in vitamin C is fortified for the immunity of the human body. Also, it is an important source of Flavon...
Article
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The wax apple or jambu madu, is a non-climacteric tropical fruit from Myrtaceae family and widely cultivated in South East Asia. The limited availability of good quality seedlings of wax apple is the main problem to development of flourish it's market share in the current fruit industry. Therefore, in order to produce good quality planting material...
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Highlights Poultry dung enhances the vegetative growth and plant physiology of pumpkins. AGR, RGR, LAI, LAR, LAD, and biomass of pumpkin affect positively by poultry dung. Poultry dung stimulates the flowering, fruit formation, and quality of pumpkin. Abstract A field study was carried out to examine the effects of organic amendment on the morpho-p...
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Cadmium (Cd) is one of non-essential heavy metals which is released into environment naturally or anthropogenically. It is highly persistent toxic metals that are exceptionally distressing industrial and agriculture activities by contaminating soil, water and food. Its long-duration endurance in soil and water results in accumulation and uptake...
Article
Full-text available
The wax apple or jambu madu, is a non-climacteric tropical fruit from Myrtaceae family and widely cultivated in South East Asia. The limited availability of good quality seedlings of wax apple is the main problem to development of flourish it’s market share in the current fruit industry. Therefore, in order to produce good quality planting material...
Article
Full-text available
Seaweeds are plants found in sea that have tremendous applications in the fields of agriculture and environment. It comprises of three giant classes with a large number of different species. their ability to adopt to various conditions qualifies them more applicable to various environmental and agricultural arena. Agriculturally, both three classes...
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Hydrogen peroxide (H2O2) is a broad-range chemical catalyst that is receiving rapidly increasing attention recently due to its role as a signaling molecule in various plant physiological and biochemical processes. A study was carried out to investigate the effects of H2O2 on the plant physiology, root growth, mineral nutrient accumulation, root ana...
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With the increasing demand for safe and clean fruits free of substances harmful to human health, bio-fertilizers are conceder one of the active factors in this direction. Microorganisms, whether fungi (Arbuscular mycorrhiza) or bacteria (Plant Growth Promoting Bacteria) provided enhancing growth, development, and fruit quality. Trichoderma harzianu...
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This study was conducted to evaluate the potential effects of branch bending angle on the plant physiological characteristics, mineral nutrients accumulation and fruit quality of wax apple. Different treatments with five replicates each by Randomized Complete Block Design (RCBD) layouts were arranged in this study. All the treatments represent diff...
Chapter
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Waste from the food is a challenge to the environment all over the globe, hence there is need to be recycled. Vegetables and fruits biomass is a resource of renewable energy with significant fuel source potential for the production of electricity and steam, fuel for consumption and laboratory solvents. Bioethanol derived from biomass contributed 10...
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The present study was carried out to investigate the effects of hydrogen peroxide (H 2 O 2) on the growth, photosynthesis, leaf histology, mineral uptake, phytochemical accumulation, and Rubisco gene expression in Ficus deltoidea var. deltoidea, a slow growing medicinal plant. The F. deltoidea plants were spray-treated with 0 (control), 8, 16, 30 a...
Article
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This study was carried out to investigate the regulatory effects of hydrogen peroxide (H2O2) on the growth, photosynthesis, biochemical properties, leaf anatomy and Rubisco gene expression in Ficus deltoidea var. deltoidea, a slow-growing medicinal herb. Results showed that 20-mM H2O2 treatment increased plant height, net photosynthetic rate, stoma...
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Background: Uterine fibroids are a common type of solid tumor presenting in women of reproductive age. There are very few alternative treatment available from conventional treatment involving surgeries. Labisia pumila var. alata or locally known as 'Kacip Fatimah' was widely used as traditional medicine in Malaysia. This plant has been used to mai...
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Heterotrigona itama is one of common stingless bee species in Malaysia. Similar to sting bee, stingless bee also produce honey, propolis and beebread in their hive. Propolis and beebread of Malaysian stingless bee were less explored compared to honey. This work examine nutritional content, antioxidant activity and chemical profiling of honey, propo...
Article
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Hydrogen peroxide (H2O2) is defined as a reactive oxygen species (ROS), able to cause damage to a variety of cellular structures. On the other hand, recent work has demonstrated that H2O2 can also act as a potent signalling molecule that mediates various physiological and biochemical processes in plants. This study was carried out to investigate th...
Article
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Propolis is a sticky material manufactured by stingless bees to build and protect their hive. This material is known to be a rich source of biologically active constituents. Chemical composition that is attribute to its biological activities is highly dependent on plant sources and geographical origin. Chemical profiling was performed on Malaysian...
Article
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Importin-α serves as an adaptor linking importin-β to proteins carrying a nuclear localization sequence (NLS). During interphase, this interaction enables nuclear protein import, while in mitosis it regulates spindle assembly factors (SAFs) and controls microtubule nucleation, stabilization and spindle function. Here, we show that human importin-α1...
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This study was designed to assess the effects of different types of organic matter on the quality and biochemical properties of red seedless watermelon. The research was a single factor experiment, which involved six (6) treatments and four (4) replications. Watermelon grown and harvested from five (5) different organic matter sources, namely; verm...
Article
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Propolis is a plant-derived substance collected by stingless bee's product from various sources, including plant resins with combination of bee's saliva and wax. Propolis has been used to treat several diseases since ancient times and it is an important source of bioactive natural compound and drug derivatives. The aim of this study was to evaluate...
Article
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Propolis is a mixture of resin collected by the bees to build their hive. These mixtures contain natural remedy and used to treat variety of health-related problems. Unlike honeybee propolis, the study of stingless bee propolis still lacking. The important part of propolis study is the optimization of extraction procedures. The aim for this study i...
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The study was conducted to identify the best eating quality of some common fruits in the Malaysian local market. The selected market fruits such as papaya, mango, banana, wax apple (jambu madu) and tomato were collected from local markets located in Besut, Terengganu, Malaysia at different ripening stages. The qualities of these fruits were determi...
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A study was conducted at the teaching and research farm of the Faculty of Bioresources and Food Industry at Universiti Sultan Zainal Abidin (UniSZA) with an objective of determining the best rates for vermicompost application on red seedless watermelon var. Crimson sweet. In this research, watermelon crimson red flesh seedless variety was used as p...
Article
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Objectives The effects of water and 50% ethanolic-water extracts of Orthosiphon stamineus Benth (OS) on cell proliferation and apoptotic activity against uterine leiomyosarcoma (SK-UT-1) cells were investigated. Methods Anti-proliferation effect was evaluated through cell cycle analysis whereas apoptotic activity was determined via screening and q...
Article
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Pattern based approach has been used for quality control for identification and authentication of herbal medicines including plant that having varietal issue, Ficus deltoidea Jack (FD). Chemical fingerprinting of FD varieties were profiled by Gas Chromatography-Mass Spectrometry (GC-MS). The aim was to profile and classify the untargeted volatile c...
Article
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Propolis is a sticky substance made up of mixture of plant resin, wax and bee saliva. Propolis has been used in various health related problems as well as cosmetic ingredient. This work was evaluating chemical fingerprint of Malaysian stingless bee propolis produced by two species, Heterotrigona itama (HI) and Geniotrigona thoracica (GT). Chemical...
Article
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Propolis has been used as therapeutic agent since ancient time and considered as high value materials. In order to obtain maximum yiel d of extract production with excellent biological activity, extraction techniques need to be established. This study aimed to optimize extraction protocol and screen total phenolic, total flavonoid and antioxidant a...
Article
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Propolis is a sticky material manufactured by bees to build and protect their hive. Propolis had been used worldwide for years in folk medicine. The aim of this paper is to give information about traditional uses, phytochemical screening and pharmacological studies of propolis in the world by using secondary references such as journals and articles...
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Soil-based cultivation is presently confronting dire challenges to the lack of land availability, massive escalation rate of industrialization and intense urbanization. Land-related agriculture is at stake due to irrepressible climate vicissitudes, relentless soil degradation, unbefitting management practices and other adversative effects. The sett...
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This study evaluates the primary and secondary metabolite profiles of Jack (EL) stems and leaves to the roots. A total of six types of extracts were tested. The extracts showed high content of glycosaponins, polysaccharides, proteins and phenolics. The presence of flavonoids and phospholipids was also detected. High Performance Thin Layer Chromatog...
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This paper investigates the effect of processing and antioxidant activity of Malaysian Chromatography (HPTLC) analysis compounds were degraded or affected by extraction method extraction methods significantly affect chemical profiles. antioxidant activity were in agreement with possesses significantly higher This finding shows that metabolite profi...
Article
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This study aim to evaluate gravimetric parameters and physicochemical of raw materials of Orthosiphon stamineus in order to ascertain the quality of plant materials and achieved standardized material. Anti-uterine fibroid potential was investigated by cytotoxicity test on uterine leiomyosarcoma cell SK-UT-1. Gravimetric analysis showed that all par...
Article
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Ficus deltoidea Jack (FD) is a highly potential herb. However, there is serious confusion on selecting the right plant as FD occurs in several varieties. In this study, a high-performance thin layer chromatography (HPTLC) method was developed to determine the discriminating factors of FD varieties. Eight varieties of methanol extract, five varietie...
Article
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Ficus deltoidea Jack (FD) is a plant belonging to the Moraceae family and found in tropical and subtropical countries. Reports indicate that 13 varieties of this plant can be found in Malaysian forest. Scientific evidences revealed that FD possesses several biological activities such as antioxidant, anti-inflammatory and antidiabetic. The issue on...
Article
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The aim of this study is to evaluate chemical and biological profile of methanol extracts from Malaysian propolis produced by two commonly found stingless bee species, Heterotrigona itama (MHI) and Geniotrigona thoracica (MGT). Test samples were analyzed for physicochemical parameters such as moisture, fat, crude fibre, crude protein, carbohydrate...
Article
Breast cancer is the most commonly diagnosed and leading cause of cancer deaths among women globally. In continuation of our investigation into the cytotoxicity of the antimicrobial peptide, Hepcidin TH1-5 on human breast adenocarcinoma cell line (MCF-7), we further affirm the apoptosis-inducing effect of the cysteine-rich peptide in the present st...
Article
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Propolis is a sticky material collected by the bees to protect their hive. It has been used for medicinal purposes since ancient time. The methanol extract of Malaysian propolis produced by two commonly found stingless bees, Heterotrigona itama (MHI) and Geniotrigona thoracica (MGT) inhibited the growth of Staphylococcus aureus better than Gram-neg...
Article
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Morphine and Thymoquinone (TQ) are both opioid receptor stimulating compounds although they have different pharmacological origins. Morphine is a natural opioid derivative whereas TQ is one of the main pharmacologically active compounds from Nigella sativa oils. Recently, a great deal of attention had been focused on the potential roles of TQ in op...
Article
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Inflammatory diseases are an important health concern, and the growing rate is on the rise. Finding a safe drug for these diseases remains an important issue. The study aimed to determine the nitric oxide (NO) scavenging as well as anti-inflammatory activities of Musa paradisiaca (banana). Musa paradisiaca plant parts used in this study namely tepa...
Article
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The objective of this research is to conduct the preliminary phytochemical screening, total flavonoid and phenolic contents assays of various solvent extracts of tepal of Musa paradisiaca. Phytochemical screening was carried out according to the method of Trease and Evans, total flavonoid content was measured by the aluminium chloride colorimetric...
Article
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Objective: The initial study was to screen the phytochemical content of methanol extract of M. malabathricum from seven different locations. The other objective was to evaluate the total phenolic content (TPC), Total flavonoid content (TFC), antioxidant potential and cytotoxic activity (on Hepatoma G2 cells) of these extracts and to determine the r...
Article
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Melastoma malabathricum Linn. commonly known as ‘senduduk’ in Malaysia, belongs to Melastomataceae family. The study was carried out to screen the phytochemicals present in methanol extract of leaf, flower, fruit, and stem and to evaluate the antioxidant activity, total flavonoid and total phenolic contents of these different parts. Phytochemical s...
Article
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Hepcidin (TH1-5) is a cysteine-rich antimicrobial peptide originally isolated from the freshwater fish Oreochromis mossambicus. A synthesized form of the peptide has been reported to exhibit cytotoxic activity against few human cancer cell lines. This study investigated the potential cytotoxicity of the peptide against human breast cancer cell line...
Article
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Background Studies on selected metabolites profiling of Orthosiphon stamineus extracts using chromatographic and spectroscopic techniques combined with chemometric tools have not been fully elucidated. Thus present study was performed to profile selected metabolites in O. stamineus leaves extracts using HPLC and FTIR combined with chemometric tools...