Rashidi Othman

ORCID: 0000-0001-8281-8575
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About
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Research Areas
  • Halal products and consumer behavior
  • Antioxidant Activity and Oxidative Stress
  • Islamic Finance and Banking Studies
  • Algal biology and biofuel production
  • Water Quality and Pollution Assessment
  • Medicinal Plant Research
  • Plant tissue culture and regeneration
  • Heavy metals in environment
  • Advances in Cucurbitaceae Research
  • Allelopathy and phytotoxic interactions
  • Polysaccharides Composition and Applications
  • Phytochemicals and Antioxidant Activities
  • Identification and Quantification in Food
  • Conservation Techniques and Studies
  • Land Use and Ecosystem Services
  • Essential Oils and Antimicrobial Activity
  • Architecture and Cultural Influences
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Moringa oleifera research and applications
  • Constructed Wetlands for Wastewater Treatment
  • Air Quality and Health Impacts
  • Meat and Animal Product Quality
  • Natural Products and Applications
  • Building materials and conservation
  • Botanical Research and Applications

International Islamic University Malaysia
2013-2024

Universiti Teknologi MARA
2015-2024

University of Malaya
2015-2023

Assiut University
2019

Taiz University
2019

Universiti Teknologi MARA System
2015

In recent years, astaxanthin is claimed to have a 10 times higher antioxidant activity than that of other carotenoids such as lutein, zeaxanthin, canthaxanthin, and β-carotene; the 100 α-tocopherol. Penaeus monodon (tiger shrimp) largest commercially available shrimp species its waste rich source esters. The efficient environment-friendly recovery astaxanthins was accomplished by using supercritical fluid extraction (SFE) technique. effects different co-solvents their concentrations on yield...

10.5650/jos.ess13184 article EN Journal of Oleo Science 2014-01-01

For centuries, Azadirachta indica or neem has been utilized as a primary source of medicine due to its antimicrobial, larvacidal, antimalarial and antifungal properties. Recently, potential an effective biopesticide garnered attention, especially towards efficient continuous production bioactive compounds. The present study investigated the effect plant growth regulators (PGRs) thiadiazuron (TDZ) 2,4-dichlorophenoxyacetic acid (2,4-D) on induction colored callus formation subsequent...

10.3390/plants9030352 article EN cc-by Plants 2020-03-11

Astaxanthin is one of the main carotenoid pigments. It has beneficial effects on immune system human body due to its powerful antioxidant properties. The application this bioactive compound can be found significant in food, pharmaceutical, and cosmetics industries. aim research was investigate astaxanthin yield from six species Malaysian shrimp carapace. Six types species-Parapenaeopsis sculptili, Metapenaeus lysianassa, Macrobrachium rosenbergii, Metapenaeopsis hardwickii, Penaeus...

10.1080/19390211.2017.1387885 article EN Journal of Dietary Supplements 2017-11-29

Cysteine has a wide application in pharmaceutical, foods and cosmetic industries.In the biological system, through its unique properties of sulfur thiol, cysteine also plays important roles stability, structure, catalytic activity, regulation numerous proteins.In nature, can be found animal proteins, fruits, vegetables, legumes cereal.Due to application, production large scale is favour.At present, produced from keratin sources as well microbial bioconversion fermentation.Each method poses...

10.6000/1927-3037.2014.03.03.3 article EN International Journal of Biotechnology for Wellness Industries 2014-10-15

The excessive reliance of fossil fuels and carbon production from daily appliances especially in tourism accommodation premises could cause detrimental impact to the surrounding environment.This is due increase emissions which one major contributors for greenhouse effect urban area.In order alleviate footprint by those premises, promising method reduce dioxide emission atmosphere selecting an appropriate plant species as well optimization spatial organization materials.Besides character...

10.7763/ijesd.2016.v7.810 article EN International Journal of Environmental Science and Development 2015-09-06

Seaweed, also known as macroalgae, consist of various species that have been gaining the interest researchers due to presence functional bioactive compounds can be extracted from their biomass. This research aimed study chlorophyll and carotenoid content five Malaysian seaweed potential Active Pharmaceutical Ingredient (API). Three red (Eucheuma denticulatum, Gracilaria tikvahiae, Kappaphycus striatum), green macroalgae (Caulerpa lentillifera ) one brown macroalga (Padina pavonica) were...

10.18517/ijaseit.8.4-2.7041 article EN cc-by-sa International Journal on Advanced Science Engineering and Information Technology 2018-09-30

Purpose The purpose of this paper is to validate the antimicrobial activity (both antibacterial and antifungal) in vivo vitro ethanolic anthocyanin extracts Clitoria ternatea L. (vivid blue flower butterfly-pea) Dioscorea alata (purple yam) against selected bacteria ( Bacillus subtilis , Staphylococcus aureus Escherichia coli ) fungi Fusarium sp ., Aspergillus niger Trichoderma .). Design/methodology/approach freeze-dried samples (0.2 g) from vivid flowers C. were extracted using 10 mL...

10.1108/prt-11-2016-0109 article EN Pigment & Resin Technology 2018-08-17

Nowadays, halal products are gaining wider recognition as a new benchmark for safety and quality assurance. As consequence the commercial development of microalgae is established due to their high value chemicals, examples, β-carotene, astaxanthin, phycobilin pigments algal extracts cosmaceutical products. Therefore, many researchers have gained interest study potential valuable chemicals other product sources. The aim research explore sources be used food colorants. This quest not only...

10.6000/1927-5951.2018.08.01.1 article EN Journal of Pharmacy and Nutrition Sciences 2018-01-05

Carotenoids are antioxidants with pharmaceutical potential. The major carotenoids important to humans α-carotene, β-carotene, lycopene, lutein, zeaxanthin, and β-cryptoxanthin. Some of the biological functions actions these individual quite similar each other, whereas others specific. Besides genotype location, other environmental effects such as temperature, light, mineral uptake, pH have been found affect carotenoid development in plant tissues organs. Therefore, this research investigated...

10.5650/jos.ess13186 article EN Journal of Oleo Science 2014-01-01

Urban parks planning and management is a crucial issue in the context of urban environment community development by creating space for social interactions, recreation, aesthetics provide natural habitats.Apart from that, value ecological functions such as air purification, storm water regulation carbon storage are also biodiversity conservation within context.This study provides case quantification sequestration rate selected park with hybrid design landscape setting Putra Heights, Mukim...

10.15666/aeer/1704_80798088 article EN Applied Ecology and Environmental Research 2019-01-01

Kerangas or heath forests are found on podzolised siliceous sands (spodosols), where gradually decomposing organic matter occurs the soil’s surface. Changes in extent of podzol development, soil consistency, and poor nutrient contents signify unique properties sandy forest at Rantau Abang, Terengganu, Malaysia. Unfortunately, chemical physical critical condition due to human activities such as cutting burning, impacting sustainability this ecosystem its ground cover shrubs, sparse grass...

10.53894/ijirss.v6i2.1432 article EN cc-by-nc International Journal of Innovative Research and Scientific Studies 2023-03-22

This research aimed to investigate the different effects of fertilization (through use vermicompost and chemical fertilizer) on carotenoid composition as well chlorophyll content in Clinacanthus nutans Lindau. A field study employing a Randomized Complete Block Design (RCBD) was conducted four treatment groups; control plants that were not supplied with any fertilizer (NF), supplemented NPK (FC), (FV), mixture (FM). Vermicompost application shown have insignificant expression C. compared...

10.17576/jsm-2023-5204-07 article EN Sains Malaysiana 2023-04-30

Vermicompost is an organic waste produced from earthworms that can enhance the soil condition and rich with essential plant nutrients, thus increasing produce quality shelf life. In this study, a one-year field trial was conducted to elucidate effects of vermicompost supplementation on composition bioactive compounds antioxidant activities pineapple (Ananas comosus var. MD2) fruits, compared control application chemical fertilizer. Based results, fruits plants supplemented fertilizer showed...

10.3390/agronomy9020097 article EN cc-by Agronomy 2019-02-19

In vitro direct regeneration of Nelumbo nucifera Gaertn. was successfully achieved from immature explants (yellow plumule) cultured on a solid MS media supplemented with combinations 0.5 mg/L BAP and 1.5 NAA which resulted in 16.00 ± 0.30 number shoots per explant exhibited new characteristic layered multiple shoots, while normal roots formed the basal media. The double-layered gave highest ratio 2 : 1 (liquid to solid) mean 16.67 0.23 formation primary secondary explants. study involving...

10.1155/2014/745148 article EN cc-by The Scientific World JOURNAL 2014-01-01
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