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Hemanth Kumar Manikyam

Publications (12)

A Novel Single-Pot Process for the Efficient Synthesis of Nonivamide: Detailed Stoichiometric Engineering, Reaction Mechanism, and Comparative NMR Characterization with Capsaicin

Hemanth Kumar Manikyam, Sunil K. Joshi & P. Venkata Suresh · Journal of Scientific Research and Reports · 2026

Nonivamide (N-(4-hydroxy-3-methoxybenzyl) nonanamide), also known as pelargonic acid vanillylamide (PAVA), is an industrially important synthetic capsaicinoid with potent transient receptor potential vanilloid subtype-1 (TRPV1) agonistic activity and extensive applications in pha...

Open access Research Article 10.9734/jsrr/2026/v32i94512

Integrated PEF–Supercritical CO₂ Technology for High-Purity Astaxanthin Extraction from Haematococcus pluvialis

Hemanth Kumar Manikyam, Sunil K. Joshi & P. Venkata Suresh · Journal of Scientific Research and Reports · 2026

Astaxanthin, a high-value xanthophyll carotenoid with potent antioxidant activity, was efficiently extracted from the microalga Haematococcus pluvialis using an integrated green extraction strategy combining pulsed electric field (PEF)-assisted cell disruption and supercritical C...

Open access Research Article 10.9734/jsrr/2026/v32i54168

Multi-Pathway Inhibition by Rosmarinic Acid in Endometritis: Intrinsic Network Pharmacology and Molecular Docking Insights

Hemanth Kumar Manikyam & Sunil K. Joshi · Journal of Pharmaceutical Research International · 2025

A systematic Intrinsic network pharmacology methodology was employed to determine the multi-target therapeutic activity of Rosmarinic acid in endometritis. Prediction of target proteins was performed using Swiss Target Prediction and PharmMapper, followed by protein–protein inter...

Open access Research Article 10.9734/jpri/2025/v37i97748

Intrinsic Network Pharmacology Guided Simulation of NAFLD Collapse and Recovery: A Systems Level Investigation of Picrorhiza Kurroa via Multi Layered Network Integration

Hemanth Kumar Manikyam & Sunil K. Joshi · Journal of Pharmaceutical Research International · 2025

Non-alcoholic fatty liver disease (NAFLD) is a significant world health burden, occurring in more than 25% of the adult population and advancing to steatohepatitis, fibrosis, and eventually cirrhosis or hepatocellular carcinoma. Although it is increasingly prevalent, there are li...

Open access Research Article 10.9734/jpri/2025/v37i77721

Intrinsic Network Pharmacology for Mapping Divergent System Trajectories: Computational Study of Rasayana Induced Restoration and Deficiency Driven Collapse

Hemanth Kumar Manikyam & Sunil K. Joshi · Archives of Current Research International · 2025

Contemporary chronic diseases, including pervasive Vitamin D3 and B12 deficiencies, are increasingly considered failures of intricate metabolic and regulatory networks—rather than isolated biochemical imbalance. Deficiencies interrupt integrated processes such as redox signaling,...

Open access Research Article 10.9734/acri/2025/v25i61281

Simultaneous Extraction, Purification, and Quantification of Polyphenols, Caffeine, and Theophylline from BB35 Green Tea Leaves (Kenya cultivar) Using High-Performance Liquid Chromatography (HPLC) with Gradient Quantification

Hemanth Kumar Manikyam, Cecilliah N Ngugi, Fridah Marete, Elizabeth Kagotho, Sandeep Balvant Patil & Abhinandan Ravsaheb Patil · South Asian Research Journal of Natural Products · 2024

This study introduces a novel technique that uses a solvent mixture of 60% water and 40% ethanol to extract caffeine, theophylline, and polyphenols from green tea leaves (Camellia sinensis) all at once. On a dry basis, the Folin-Ciocalteu Reagent Method (ISO 14502-1) estimated th...

Open access Research Article 10.9734/sarjnp/2024/v7i3172

High-Throughput Insilico Drug Screen against Mpox Targeted Proteins in Comparison with Repurposed Antiviral Drugs against Natural Compounds

Hemanth Kumar Manikyam, Sandeep Balvant Patil, Nazim Hussain, R. Edison Eegai Vallal, Shikha Sharma & Abhinandan Ravsaheb Patil · Journal of Pharmaceutical Research International · 2024

The recent resurgence of the Monkeypox Virus (MPXV) has prompted increased efforts to discover effective antiviral treatments. This study utilized an in silico docking approach with CB Dock2 to assess both natural compounds and repurposed antiviral medications. We concentrated on...

Open access Research Article 10.9734/jpri/2024/v36i117599

Supercritical CO2 Extraction and HPLC Quantification of Carnosic Acid from the leaves of Rosemary Officinalis: A Green Approach to Bioactive Compound Purification

Hemanth Kumar Manikyam, Dhanaseelan J & Jayaraj Mani · Chemical Science International Journal · 2024

This study explores the extraction and purification of carnosic acid, a potent antioxidant found in rosemary (Rosmarinus officinalis), using a green and sustainable method involving supercritical CO₂. The extraction was conducted at 45°C and 350 bar, with three cycles lasting 45...

Open access Research Article 10.9734/CSJI/2024/v33i6920

Cryoethanolic Extraction, Purification of Allicin from Allium sativum and HPTLC analysis

Hemanth Kumar Manikyam, Dhanaseelan J & Jayaraj Mani · International Journal of Biochemistry Research & Review · 2024

The significance of this research extends beyond the mere extraction and purification of allicin, encompassing its potential applications across diverse industries. Allicin exhibits a plethora of biological activities, including antimicrobial, antifungal, antiviral, and antiproto...

Open access Research Article 10.9734/ijbcrr/2024/v33i6887

Extraction and Purification of Squalene from Virgin Olive Oil via Catalytic Transesterification and Molecular Distillation

Hemanth Kumar Manikyam, Dhanaseelan J & Jayaraj Mani · European Journal of Medicinal Plants · 2024

Squalene, a highly valuable compound abundant in various natural sources, shows great potential in pharmaceutical, cosmetic, and nutraceutical applications. This research article outlines a comprehensive methodology for extracting and purifying squalene from virgin olive oil, a r...

Open access Research Article 10.9734/ejmp/2024/v35i31191

Microwave Assisted Extraction of Berberine and Preparation of Berberine Hydrochloride from Berberis Aristata Variety of Nepal, and Quantification using RP-HPLC and HPTLC Methods

Hemanth Kumar Manikyam, Prathibha Tripathi, Jyoti Joshi, Jayaram Balasubramanian, Sandeep Balvant Patil, Trishna Lamichhane & Janardan Lamichhane · European Journal of Medicinal Plants · 2021

Berberis aristata a Himalayan woody spiny shrub with yellow flowers and red berries commonly called as Daruharidra in Sanskrit and locally in Nepal is called as Chutro or Chitra. The root and stem are the two parts widely used in traditional medicines of India and China. Berberin...

Open access Research Article 10.9734/ejmp/2021/v32i1230434

Ergot Alkaloids: A Review on Therapeutic Applications

Niti Sharma, Vinay K. Sharma, Hemanth Kumar Manikyam & Acharya Bal Krishna · European Journal of Medicinal Plants · 2016

Ergot of Rye is a plant disease caused by the fungus Claviceps purpurea which infects the grains of cereals and grasses but it is being used for ages for its medicinal properties. All the naturally obtained ergot alkaloids contain tetracyclic ergoline ring system, which makes the...

Open access Research Article 10.9734/EJMP/2016/25975