Hemayet Hossain

HPLC Profiling and Antioxidant Properties of the Ethanol Extract of Hibiscus tiliaceus Leaf Available in Bangladesh

Hemayet Hossain, Proity Nayeeb Akbar, Shaikh Emdadur Rahman, Sabina Yeasmin, Tanzir Ahmed Khan, Md. Mahfuzur Rahman & Ismet Ara Jahan · European Journal of Medicinal Plants · 2015

The aim of this research was to investigate the antioxidant activity and HPLC fingerprinting profiles of the ethanolic leaf extract of Hibiscus tiliaceus growing in Bangladesh. Catechin, rutin hydrate, ellagic acid and quercetin contents were quantified in the sample by HPLC-DAD...

Open access Research Article 10.9734/EJMP/2015/14720

Evaluation of Analgesic, Antidiarrhoeal and Cytotoxic Activities of Ethanolic Extract of Bacopa monnieri (L)

Hemayet Hossain, Md. Sariful Islam Howlader, Shubhra Kanti Dey, Arpona Hira & Arif Ahmed · Journal of Pharmaceutical Research International · 2012

Aims: The crude ethanolic leaf extract of Bacopa monnieri (L) Penn. (family: Scrophulariaceae) was evaluated for its possible phytochemical nature (group determination of plant constituent) and selected pharmacological activities (analgesic, antidiarrhoeal and cytotoxic activity)...

Open access Research Article 10.9734/BJPR/2012/1951

Antioxidant Properties and HPLC Assay of Bioactive Polyphenols of the Ethanol Extract of Excoecaria agallocha Stem Bark Growing in Bangladesh

Ismet Ara Jahan, Hemayet Hossain, Proity Nayeeb Akbar, Md. Mahfuzur Rahman, Tanzir Ahmed Khan, Shaikh Emdadur Rahman & Md. Afjalus Siraj · Journal of Pharmaceutical Research International · 2014

Aims: The ethanolic extract of Excoecaria agallocha stem bark was evaluated for antioxidant properties and quantification of bioactive polyphenols by HPLC-DAD. Methodology: ABTS assay, total antioxidant capacity, reducing power, total phenolic and flavonoid contents were used for...

Open access Research Article 10.9734/BJPR/2014/12425

Antioxidant Activity and HPLC Fingerprinting Profile of Ethanolic Extract of Euphorbia cotinifolia Bark from Bangladesh

Tanzir Ahmed Khan, Md. Mahfuzur Rahman, Md. Alamgir Kabir, Shaikh Emdadur Rahman, Proity Nayeeb Akbar, Hemayet Hossain & Ismet Ara Jahan · Journal of Advances in Medicine and Medical Research · 2018

Aims: The present study was designed to investigate the antioxidant activity and High Performance Liquid Chromatography (HPLC) fingerprinting profiles of the ethanolic stem bark extract of Euphorbia cotinifolia growing in Bangladesh. Methodology: In-vitro antioxidant activity of...

Open access Research Article 10.9734/JAMMR/2018/19593

Optimization and Application of Chitosan as Natural Product from Locally Available Shrimp Shell in Bangladesh

Nadia Sultana, Khondoker Shahin Ahmed, Muhammad Saiful Islam, Muhammad Shahriar Bashar, S. M. Mahmudul Hassan, Monarul Islam, Ismet Ara Jahan & Hemayet Hossain · Current Journal of Applied Science and Technology · 2020

The experiment was designed to investigate the optimization condition of chitosan and its application on fruit as natural preservative prepared from locally available shrimp shell in Bangladesh. Materials and methods. The preparation of chitosan was done by gravimetric method; ch...

Open access Research Article 10.9734/cjast/2020/v39i3130991