Hammad Ahmad Jan

ORCID: 0000-0002-5064-3886
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Research Areas
  • Ethnobotanical and Medicinal Plants Studies
  • Essential Oils and Antimicrobial Activity
  • Phytochemistry and Biological Activities
  • Botany, Ecology, and Taxonomy Studies
  • Natural Antidiabetic Agents Studies
  • Natural product bioactivities and synthesis
  • Phytochemistry Medicinal Plant Applications
  • Plant Ecology and Taxonomy Studies
  • African Botany and Ecology Studies
  • Plant Diversity and Evolution
  • Biodiesel Production and Applications
  • Phytochemistry and Bioactivity Studies
  • Medicinal Plants and Neuroprotection
  • Phytochemistry and biological activity of medicinal plants
  • Phytochemicals and Medicinal Plants
  • Plant Toxicity and Pharmacological Properties
  • Berberine and alkaloids research
  • Botanical Research and Chemistry
  • Botanical Studies and Applications
  • Catalysis and Hydrodesulfurization Studies
  • Plant-based Medicinal Research
  • Fern and Epiphyte Biology
  • Synthesis and bioactivity of alkaloids
  • Alkaloids: synthesis and pharmacology
  • Botany and Plant Ecology Studies

Islamia College University
2017-2023

Islamia University of Bahawalpur
2023

University of Peshawar
2021

Quaid-i-Azam University
2015-2020

University of Malaya
2015

COMSATS University Islamabad
2015

Abstract Biomass waste streams are a possible feedstock for range of eco-friendly products and crucial alternative energy source achieving carbon neutrality; therefore, the efficient management biomass has taken on greater significance in recent years. Due to its well-comparable physic-chemical properties with fossil diesel, biodiesel is potential substitute fuel. This study aimed synthesize from widely available non-edible seed oil Sisymbrium irio L . (a member Brassicaceae family) via...

10.1038/s41598-023-38408-y article EN cc-by Scientific Reports 2023-07-12

Traditional diets exist in all cultures and geographic regions, they often represent healthy eating options. culinary preparations have, however, undergone profound change, even the isolated Himalayan region. Therefore, we adapted methods to identify traditional plant foraging activities better understand their significance food system sustainability, as well promote innovative local gastronomies. Information on wild practices was gathered from varied ethnic groups such Kashmiri, Gujjars,...

10.3390/biology11030455 article EN cc-by Biology 2022-03-16

Medicinal plants are utilized around the globe for treatment of a wide range ailments. This study is an attempt to document utilization medicinal across four different cultural groups residing in rural and remote villages northern districts Union territory Jammu Kashmir, India. To gather information related health care practices among local folk, field surveys were conducted from February 2018 May 2021. The ethnomedicinal was gathered through semi-structured interviews group discussions....

10.3390/biology11111578 article EN cc-by Biology 2022-10-27

The present study aimed to synthesize Titanium dioxide (TiO2) nanoparticles and assess its catalytic role in the synthesis of biodiesel from Carthamus tinctorius L. (a non-edible plant source). precipitation approach was used TiO2 nanoparticles, process verified using X-ray diffraction (XRD) scanning electron microscope (SEM). synthesized analyzed qualitatively through NMR, GC-MS, FT-IR spectroscopy. XRD result showed that crystal structure a biphasic mixture rutile anatase phases. SEM...

10.1016/j.jksus.2022.102317 article EN cc-by-nc-nd Journal of King Saud University - Science 2022-09-13

Morphological, anatomical, and molecular information facilitates the identification inference of relatedness plant species. In this study, macromorphological, micromorphological, anatomical characteristics nine species from Brachychiton Sterculia genera belonging to Malvaceae family were examined by light a scanning electron microscope. The study recorded 66 characteristics, thus revealing important variations between studied in leaf morphology anatomy. This included complexity, arrangement...

10.3390/ijpb16010018 article EN cc-by International Journal of Plant Biology 2025-02-01

Background: This study is the first of its own kind conducted in area with aim to document and conserve indigenous traditional knowledge medicinal plants used for curing gynecological diseases.Materials Methods: During course work, use their ethnomedicinal uses problems were documented by interviewing 532 people different ages (20-110 years) through semi-structured interviewsResults: The result present work showing dependency population on plants. In 60 plants, species belonging 40 families...

10.32859/era.19.26.1-18 article EN Ethnobotany Research and Applications 2020-03-13

This study reports the synthesis and characterization of biofuel from novel non-edible feedstock cocklebur seeds oil. The Cocklebur crop oil was studied as a potential source for production based on chemical, structural fuel properties analysis. expression FFAs content in reported 37.2% & 0.47 mg KOH/g, using soxhlet apparatus acid base titration method, respectively. maximum conversion yield to pursued 93.33%, transesterification process. optimum protocol adjusted: 1:7 oil-methanol molar...

10.3389/fbioe.2020.00756 article EN cc-by Frontiers in Bioengineering and Biotechnology 2020-09-04

Background: Local people of the Kumrat Valley, district Upper Dir in Northwest Khyber Pakhtunkhwa, Pakistan rely on wild food plants (WFP) for nutrition, medicine, and monetary value. The present study aimed to accomplish a detailed investigation local their therapeutic importance identify innovative organic products that show potential marketing through use prevalence Methods: Semi-structured interviews group discussion, were conducted from May September 2019. In field survey, 78...

10.32859/era.22.20.1-13 article EN Ethnobotany Research and Applications 2021-10-01

Background: Many human illnesses are treated by plant-based medicines because medicinal plants rich sources of bioactive chemicals. The aim this study was to document the traditional uses used indigenous communities Tehsil Taunsa Sharif, District DG Khan, Pakistan. Methods: ethnobotanical data collected using a semi-structured questionnaire as tool for face-to-face interviews, and group discussions during year 2021 2022. Fidelity level (FL), usage value (UV) informant consensus factor (ICF)...

10.32859/era.26.13.1-27 article EN Ethnobotany Research and Applications 2023-07-30

The identification of suitable non-edible plant feedstock is crucial not only to meet energy demands but also be environmentally-friendly. This study aimed synthesize nickel oxide (NiO) nanoparticles and use these for producing biodiesel from the Ailanthus altissima. confirmation NiO synthesis its characteristics were studied using XRD SEM. physicochemical confirmed GC-MS, NMR, FT-IR spectroscopies. fuel examined ASTM standard procedures. results that crystalline in nature, spherical...

10.1016/j.jksus.2023.103084 article EN cc-by Journal of King Saud University - Science 2024-01-04

The local communities of Pakistan have vast traditional knowledge about medicinal plants that is centuries old and transferred from generation to generation, but now, the survival this precious ethnic threatened. This study aimed document ethnomedicinal information residing within Khadukhel Tehsil, Buner District, Pakistan. To conserve valuable knowledge, data were collected through a semi-structured questionnaire, one-on-one interviews, group discussions. From 2018 2021, 853 people...

10.3390/su142013077 article EN Sustainability 2022-10-12

Biodiesel, seen as a key alternative to fossil fuels, has drawn significant attention. In this study, we synthesised calcium oxide (CaO) nanoparticles and assessed their catalytic efficiency for biodiesel production from the nonedible seed oil of Argemone mexicana L. The were thoroughly characterised using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FT-IR), thermogravimetric analysis (TGA) techniques. ASTM standard procedures used evaluate fuel...

10.1080/17597269.2023.2277989 article EN cc-by Biofuels 2023-11-18

Background: The current work was conducted with the aim for documentation of indigenous uses medicinal plants food purposes across three main communities in South-west Pakistan. Field 21 villages belonging to regions district D.I. Khan (Saraiki Community), Zhob (Pashto Community) and Mianwali (Punjabi located Southwest Methods: Snowball sampling method used interview 93 informants (43 Pashto, 28 Punjabi 22 Saraiki) using semi-structured questionnaire document taxa as food, herbal tea...

10.32859/era.23.28.1-16 article EN Ethnobotany Research and Applications 2022-05-14

Background: Food and culture have both local global implications. Through their distinct culinary habits, communities are linked to culture. Foods can transmit a variety of cultural meanings in themselves. It describes the community's social standing, ethnicity, income addition informing us about specific event. A certain or sub-culture which they belong passes down its food habits with great care. Methods: Semi-structured questionnaires were used collect information, whereas principal...

10.32859/era.22.44.1-20 article EN Ethnobotany Research and Applications 2021-12-25

This work aimed to synthesize biodiesel from Ricinus communis L., using calcium oxide (CaO) nanoparticles as a catalyst. The CaO were examined by scanning electron microscopy (SEM) and X-Ray Diffraction (XRD). physico-chemical properties of studied through H C-NMR, GC-MS, FT-IR, fuel according ASTM EN standard methods. oil content the feedstock was 53.7% with free fatty acid (FFA) 0.89 mg KOH/g. suitable condition for optimum yield (89%) 1:15 methanol 20 catalyst at temperature 60 °C 80 100...

10.3390/en15176425 article EN cc-by Energies 2022-09-02

Background: Plants have been the basis of human medical systems for thousands years in Pakistan and India. This study was conducted to compare traditional medicinal knowledge species diversity genus Berberis that are widely distributed area. Methods: The data collected through group discussion face-to-face interviews from 2,368 participants during 2020–2022, using a semi-structured questionnaire. Results: We total five Berberis. Four (Berberis aristata, lycium, pseudumbellata, vulgaris) were...

10.32859/era.26.3.1-14 article EN Ethnobotany Research and Applications 2023-07-30

The sol-gel auto-combustion approach was used to create a binary combination of Strontium aluminum chromium M−type hexaferrites at the iron site. hexagonal phase and normal composition prepared substances were confirmed through X-ray diffraction technique (XRD) FT-IR spectroscopy. structural investigation evaluated using XRD, which determined crystalline size, lattice constants, miller indices, cell volume. production hexaferrite is by FTIR measurement in all samples. existence metal-oxygen...

10.1016/j.rechem.2023.101133 article EN cc-by-nc-nd Results in Chemistry 2023-09-27
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