Jamilah Syafawati Yaacob

ORCID: 0000-0001-7103-7327
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Research Areas
  • Plant tissue culture and regeneration
  • Phytochemicals and Antioxidant Activities
  • Pineapple and bromelain studies
  • Seed Germination and Physiology
  • Plant Genetic and Mutation Studies
  • Botanical Research and Applications
  • Composting and Vermicomposting Techniques
  • Chromosomal and Genetic Variations
  • Insect Pest Control Strategies
  • Plant Stress Responses and Tolerance
  • Transgenic Plants and Applications
  • Flowering Plant Growth and Cultivation
  • Garlic and Onion Studies
  • Bioactive Compounds in Plants
  • Plant Taxonomy and Phylogenetics
  • Essential Oils and Antimicrobial Activity
  • Plant Micronutrient Interactions and Effects
  • Seed and Plant Biochemistry
  • Growth and nutrition in plants
  • Plant Growth Enhancement Techniques
  • Plant-Microbe Interactions and Immunity
  • Phytochemical compounds biological activities
  • Moringa oleifera research and applications
  • Light effects on plants
  • Banana Cultivation and Research

University of Malaya
2016-2025

International Islamic University Malaysia
2023

Phoenix dactylifera or date palm fruits are reported to contain natural compounds that exhibit antioxidant and antibacterial properties. This research aimed study the effect of fruit chilling at 4 °C for 8 weeks, extract storage −20 5 extraction solvents (methanol acetone) on total phenolic content (TPC), activity properties Saudi Arabian P. cv Mabroom, Safawi Ajwa, as well Iranian Mariami. The stability anthocyanin (TAC) was also evaluated, before after storing extracts respectively, weeks....

10.3390/molecules21040419 article EN cc-by Molecules 2016-03-26

Antinutrients such as phytic acids, tannins, saponin, and enzyme inhibitors are phytochemicals that can decrease the bioavailability of micro- macronutrients, thus causing them to be unavailable for absorptions in digestive system. a major concern especially countries where plant-based commodities wheat, legumes, cereals staple foods, antinutrients cause not only mineral deficiencies, but also lead more serious health issues. Although various thermal non-thermal processing methods cooking,...

10.47836/ifrj.30.1.02 article EN International Food Research Journal 2023-02-24

Southeast Asia is a fertile land with warm and humid climate which tends to accommodate various food crops. The development advancement of the agricultural sector not only allows countries in region feed increasing population, but are also able boost nation's economy through exportation Some well-known economically-significant plant commodities found include rice, oil palm, rubber, coconut, banana, sugarcane, pineapple, black pepper, maize, cocoa, durian, jackfruit. Due high production...

10.3389/fsufs.2022.1030540 article EN cc-by Frontiers in Sustainable Food Systems 2023-01-16

Colorectal cancer (CRC) is the most common among males and females, which associated with increment of telomerase level activity. Some plant-derived compounds are inhibitors that have potential to decrease activity and/or in various cell lines. Unfortunately, a deeper understanding effects inhibitor compound(s) on CRC cells still lacking. Therefore, this study, aspects line (HCT 116) were investigated. Screening HCT 116 at 48 h showed berberine (10.30 ± 0.89 µg/mL) effective (lowest IC

10.3390/molecules26020376 article EN cc-by Molecules 2021-01-13

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

Vermicompost is a nutrient-rich organic waste produced from earthworms that beneficial in enhancing the soil condition and has been reported to aid improving crop yield quality. In present study, field trial was conducted using randomized complete block design with four replicates elucidate effects of vermicompost application (compared supplementation chemical fertilizer no fertilizer) on productivity ex vitro MD2 pineapple plants. applied sandy loam soils at transplanting followed by second...

10.3390/agronomy10091333 article EN cc-by Agronomy 2020-09-05

Amelioration of soil acidity can boost fertility, hence increasing nutrient uptake, secondary metabolite, and its antioxidant potential. In the present study, effectiveness food waste compost palm kernel biochar was assessed as amendments for Melastoma malabathricum L. grown in acidic conditions. A six-month greenhouse study conducted using completely randomized design (CRD) with three treatment groups, including control plants (T1), amended (T2), (T3). Data analysis revealed that T3...

10.3390/plants11020153 article EN cc-by Plants 2022-01-06

Vermicompost is the product of composting or breaking down organic matter through use earthworms. It rich in essential plant nutrients, and has ability to enhance condition increase quality soil. In present study, a field trial was conducted from January 2015 until March 2016 elucidate effects vermicompost application (compared supplementation with chemical fertilizer no fertilizer) on sandy loam soil nutrients pineapple (Ananas comosus var. MD2). The morphophysiology yield performance MD2...

10.3390/agronomy8090183 article EN cc-by Agronomy 2018-09-12

The growing demand for high value aromatic herb Polygonum minus-based products have increased in recent years, its antioxidant, anticancer, antimicrobial, and anti-inflammatory potentials. Although few reports indicated the chemical profiles antioxidative effects of minus, no study has been conducted to assess benefits micro-environmental manipulation (different shading levels) on growth, leaf gas exchange secondary metabolites minus. Therefore, two levels (50%:T2 70%:T3) one absolute...

10.3390/plants10030608 article EN cc-by Plants 2021-03-23

Hydroponic is a technique of growing plants in soilless medium by using sponge, rock wool, hydroton, coconut coir, and perlite as an alternative for crop production systems. Recently, biochar has been reported to be potential substrate hydroponic cultivation techniques due its physicochemical properties which can help increase vegetable production. A greenhouse study was conducted investigate the effect on growth, colour nutritional content red lettuce (Lactuca sativa L.). This utilized...

10.1590/1678-4499.20220177 article EN Bragantia 2023-01-01

This project studied the effect of vermicompost application on composition bioactive anthocyanin and phenolic compounds, antioxidant activity Clinacanthus nutans. The correlation between constituents capacity was also evaluated. In this project, a field study conducted using randomized complete block design (RCBD) with four treatment groups, including control plants (CC), supplied chemical fertilizer (CF), (VC), mixed (MF). leaves C. nutans from all groups were harvested, subjected to...

10.3390/molecules23061345 article EN cc-by Molecules 2018-06-04

The intensive amount of chemical usage in agricultural practices could contribute to a significant impact on food safety issues and environmental health. Over-usage fertilisers may alter soil characteristics contaminate water sources, leading several human animal health issues. Recently, there have been efforts use microbial biofertilisers as more sustainable environmentally friendly practice the common household Southeast Asia. Traditionally, this method tends utilise leftover materials...

10.3390/horticulturae8020102 article EN cc-by Horticulturae 2022-01-24

Various explants (stem, leaf, and root) of Citrus assamensis were cultured on MS media supplemented with various combinations concentrations (0.5–2.0 mgL −1 ) NAA BAP. Optimum shoot root regeneration obtained from stem cultures 1.5 2.0 BAP, respectively. Explant type affects the success tissue culture this species, whereby observed to be most responsive. Addition 30 gL sucrose pH 5.8 was optimum for in vitro species. Photoperiod 16 hours light 8 darkness regeneration, but photoperiod 24...

10.1155/2014/262710 article EN cc-by The Scientific World JOURNAL 2014-01-01
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