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alkaline-Based Curcumin Extraction from Selected Zingiberaceae for Antimicrobial and Antioxidant Activities
Research Output | Dar Al-hikmah Library | IIUM Only

Purpose – The purpose of this paper is to extract, characterise and quantify curcumin from selected Zingiberaceae of “kunyit” or turmeric (Curcuma longa), “temu lawak” or Javanese turmeric (Curcuma xanthorrhiza), “temu pauh” (Curcuma mangga), “lempoyang” (Zingiber zerumbet) and “bonglai” (Zingiber cassumunar) using alkaline an

Carotenoid Pigments of Red, Green and Brown Macroalgae Species as Potential Active Pharmaceutical Ingredients
Research Output | Dar Al-hikmah Library | IIUM Only

Active Pharmaceutical Ingredient (API) is a substance used in a finished pharmaceutical product, intended to furnish pharmacological activity or contribute direct effect in the diagnosis, cure, mitigation, treatment or prevention of disease. It also provides a direct effect in restoring, correcting or modifying physiological functions in human bein

Assessment of agro-Based Homestay Activities Towards Muslim Friendly Tourism
Research Output | Dar Al-hikmah Library | IIUM Only

The homestay programme in Malaysia was first introduced in 1988 by the Ministry of Tourism as to match the demand of an emerging tourist segment and the alternatives for tourist of those who travel in the quest for the experience that enhances knowledge. Homestay can be defined as one type of lodging that the tourists share with the homeowner with

The Prevalence of Hypertension During Ramadan
Research Output | Dar Al-hikmah Library | IIUM Only

Objective: This study was aimed to identify the prevalence of hypertension during the month of Ramadan in Kuantan as well as to compare the mean differences of blood pressure with pre, during and post Ramadan. Methods: A retrospective cohort study by using purposive sampling with sample size of 66 hypertensive patients at Medical Outpatient Departm

Rebecca Black’s Friday vs Raef’s It’s Jumu’ah: a Comparative Analysis of Cultural Representation
Research Output | Dar Al-hikmah Library | IIUM Only

Utilizing English songs in English classes has been an effective teaching tool for ESL teachers. Not only the students enjoy their English classes which eventually will improve their motivation to learn the language, but also more importantly, their proficiency for instance, in terms of pronunciation, grammatical structures and vocabulary will be e

Genome Comparison of Actinomyces Naeslundii with 25 Known Probiotics
Research Output | Dar Al-hikmah Library | IIUM Only

Introduction: Actinomyces naeslundii is an oral microbiome that has been suggested to involve in actinomycosis particularly in immunocompromised patients. However, studies have also shown that the bacterium can inhibit the colonisation of Candida albicans and cariogenic bacterium, Streptococcus mutans. Even though various studies have been conducte

Adaptation and Ecosystem Resilience of blue-Green Algae Towards Carotenogenesis Regulatory Mechanism
Research Output | Dar Al-hikmah Library | IIUM Only

Blue green algae (cyanobacteria) which known for its vibrant bluish green basically contains, phycocyanin, phycoerythrin and a number of yellow pigments, mainly carotenoids. The same species of blue green algae may vary in colour depending on the surrounding condition. The main issue that researcher want to address through this research is unclear

The Future of the Banking System Under the Dominance and Development of the Cryptocurrency Industry: Empirical Evidence from Cointegration Analysis
Research Output | Dar Al-hikmah Library | IIUM Only

Bank stability and trust levels have been seriously affected by the 2007–2008 Global Financial Crisis, which led to the identification of a range of policies based on past experience intended to overcome the consequences of the crisis. The idea of cryptocurrency was introduced to handle the mistrust of financial intermediaries that led to the liq

The Effect of Symmetric and Asymmetric Information on Volatility Structure of crypto-Currency Markets: a Case Study of Bitcoin Currency
Research Output | Dar Al-hikmah Library | IIUM Only

Purpose – This paper aims to examine whether the crypto-currencies’ market returns are symmetric or asymmetric informative, through analysing the daily logarithmic returns of bitcoin currency over the period of 2011-2017. Design/methodology/approach – In doing so, the symmetric informative analysis is estimated by applying the generalised aut

Cryptocurrencies, Fiat Money or Gold Standard: an Empirical Evidence from Volatility Structure Analysis Using News Impact Curve
Research Output | Dar Al-hikmah Library | IIUM Only

This study investigates whether symmetric and asymmetric volatility effects are persisted in the daily return series of Bitcoin currency compared to the gold and fiat money system using GARCH family models. The symmetric analysis shows that the three monetary systems exhibit time-varying volatility with high persistence and predictability behaviour

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