In vitro and in vivo investigations of selected varieties of Areca catechu L - Phytochemical analysis, antiulcer, and wound healing activity by R. Deveswaran, D.J. Madhu Kumar, V. Madhavan, Soma Chaki, Misbah Khan, Govind R. Kadambi, B.V. Basavaraj, J. Anbu

“…Results: Phytochemical analysis of the selected arecanut revealed the presence of various compounds including alkaloids, phytosterols, fixed oils, saponins, and phenolic compounds. …”
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Nicotine is associated with smoking dependence and vascular inflammation through cotinine: A mediation analysis by Kumboyono Kumboyono, Indah N. Chomsy, Nadya N. Shalshabilla, Hidayat Sujuti, Arie Srihardyastutie, Cholid T. Tjahjono, Teuku Heriansyah, Titin A. Wihastuti

“…Introduction The main alkaloid component in cigarettes is nicotine. Cotinine, a metabolite of nicotine, is capable of causing dependence effects through endless mechanisms modulated by the ion channel nicotinic acetylcholine receptors nAChRs. …”
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Comparison of effectiveness in smoking cessation using nicotine replacement therapy and electronic cigarettes by Adrianna Kopaczyńska, Katarzyna Szafrańska, Szymon Niemirka, Aleksandra Janiak, Kinga Dominiczak, Łukasz Grądalski, Filip Dębicki

“… Nicotine, a potent psychoactive alkaloid found in tobacco leaves, is recognized for its high addictive potential, contributing to over 8 million deaths annually according to the World Health Organization. …”
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Tryptanthrin exerts anti-breast cancer effects both in vitro and in vivo through modulating the inflammatory tumor microenvironment by Zeng Qingfang, Luo Cairong, Cho Junlae, Lai Donna, Shen Xiangchun, Zhang Xiaoyan, Zhou Wei

“…Tryptanthrin is an indole quinazoline alkaloid from the indigo-bearing plants, such as Isatis indigotica Fort. …”
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Homoharringtonine: mechanisms, clinical applications and research progress by Wen Wang, Lan He, Lan He, Ting Lin, Ting Lin, Ting Lin, Fulan Xiang, Yibin Wu, Fangliang Zhou, Fangliang Zhou, Fangliang Zhou, Yingchun He, Yingchun He, Yingchun He

“…Homoharringtonine is a natural alkaloid with significant pharmacological potential that has demonstrated promising efficacy in the treatment of hematological malignancies in recent years. …”
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The used of chopped banana Musa paradisiaca stem for stimulating immune responses and streptococcosis resistance of Nile tilapia Oreochromis niloticus by Lilis Nurjanah, Sri Nuryati, Alimuddin Alimuddin, Kukuh Nirmala

“…The result showed that chopped banana stem contained active compounds of alkaloids, namely: 17.63% flavonoids, 0.02% tannin and 0.24% saponins. …”
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Chemical Profiles and In Vitro Cholinesterase Inhibitory Activities of the Flower Extracts of Cassia spectabilis by null Suciati, Erlinda R. Laili, Wiwied Ekasari, null Kuatman, Nitra Nuengchamnong, Nungruthai Suphrom

“…The higher potency of the ethanolic extract compared to the water extract is possibly due to the higher amount of piperidine alkaloids in the ethanolic extract. Further study is needed to quantify the concentration of alkaloids in the extracts.…”
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Profile of Bioactive Compounds, Aromas, and Cup Quality of Excelsa Coffee (Coffea liberica var. dewevrei) Prepared from Diverse Postharvest Processes by Dian Herawati, Michael Oscarius Loisanjaya, Radwa Husni Kamal, Dede Robiatul Adawiyah, Nuri Andarwulan

“…As the results, postharvest processing significantly altered content of bioactive compounds (caffeoylquinic acids (CQAs) and alkaloids) in Excelsa green beans; the lowest quantity of CQAs and alkaloids was found in wine and semiwashed green beans, respectively. …”
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Uncovering the Phytochemical Profile, Antioxidant Potency, Anti-Inflammatory Effects, and Thrombolytic Activity in Dendrobium lindleyi Steud. by Minhajur Rahman, Roxy Begum, Abu Taleb Surag, Md. Shakhuat Hossain Tusher, Mohammed Kamrul Huda

“…Statistical analysis revealed a significant positive relationship (p=0.05) between alkaloids (r = 0.96) and tannins (r = 0.9) with antioxidant, anti-inflammatory, and thrombolytic properties. …”
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GC-MS Analysis of Bioactive Compounds in Methanolic Extracts of Papaver decaisnei and Determination of Its Antioxidants and Anticancer Activities by Ahmed Aj. Jabbar, Fuad O. Abdullah, Kamaran K. Abdulrahman, Yaseen Galali, Abdullah Sh. Sardar

“…The anticancer of P. decaisnei was found as 125.3–388.4 μg/mL against all tested cell lines (Caco-2, MCF-7, and HeLa). The detected alkaloids and bioactivity of P. decaisnei encourage future isolation of those remarkable alkaloids (reomerine) for potential usage in the pharmaceutical industry.…”
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Comprehensive GC-MS Characterization and Histochemical Assessment of Various Parts of Three <i>Colchicum</i> Species from Bulgarian Flora by Ivayla Dincheva, Ilian Badjakov, Vasil Georgiev, Ivanka Semerdjieva, Radka Vrancheva, Ivan Ivanov, Atanas Pavlov

“…Histochemical investigations localized alkaloids predominantly in the endosperm of seeds, parenchyma of corms, and vascular bundles of flowers. …”
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Nitrate and Nitrite Promote Formation of Tobacco-Specific Nitrosamines via Nitrogen Oxides Intermediates during Postcured Storage under Warm Temperature by Jun Wang, Huijuan Yang, Hongzhi Shi, Jun Zhou, Ruoshi Bai, Mengyue Zhang, Tong Jin

“…The results indicated that TSNAs are derived from a gas/solid phase nitrosation reaction between NOx and alkaloids. Nitrate and nitrite are major contributors to the formation of TSNAs during warm temperature storage of tobacco.…”
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Acute Toxicity and Determination of the Active Constituents of Aqueous Extract of Uncaria tomentosa Bark in Hyphessobrycon eques by Jefferson Yunis Aguinaga, Gustavo S. Claudiano, Paulo F. Marcusso, Cynthia Ikefuti, George G. Ortega, Silas F. Eto, Claudinei da Cruz, Juliet R. E. Moraes, Flávio R. Moraes, João B. K. Fernandes

“…The chromatography showed high levels of oxindole alkaloids, quinovic acid glycosides, and low molecular weight polyphenols. …”
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Antioxidant activity and phytochemical profiling of peaches, Arabica coffee, and their combination by Dhea Angela Putri, Himmi Marsiati

“…Peaches (Prunus persica L.) are rich in phytochemicals such as carotenoids, anthocyanins, phenolic acids, and flavonoids, while Arabica coffee (Coffea arabica) contains alkaloids, flavonoids, tannins, steroids, and terpenoids. …”
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Chemical Analysis of Datura Metel Leaves and Investigation of the Acute Toxicity on Grasshoppers and Red Ants by Navaratnarajah Kuganathan, Sashikesh Ganeshalingam

“…The screening tests confirmed the presence of alkaloids and steroids and the absence of saponins and flavanoids. …”
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Premilinary Studies on Phytochemical Screening of Ulam and Fruit from Malaysia by Liliwirianis N., Nor Lailatul Wahidah Musa, Wan Zuraida Wan Mohd Zain, Jamaluddin Kassim, Syaikh Abdul Karim

“…Alkaloids, saponins, steroid, terpenoid, flavonoids, phenolic distribution in 14 Malaysian favourite ulam and fruit belonging to different families were assessed and compared. …”
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Review of Compounds and Pharmacological Effects of Delphinium by Sitan Chen, Lijun Meng, Fatma M. El-Demerdash, Li Zhou, Syed Arif Hussian Rizvi, Lili Cui, Wenyi Kang

“…The main bioactive compounds are alkaloids, flavonoids, and sterols. This review summarized the compounds and pharmacological effects of Delphinium and provides a reference for further research on Delphinium.…”
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Phytochemical Test and Antibacterial Activity of Pranawija (Euchresta horsfieldii (Lesch.) Benn.) by Amalia Indah Prihantini, Krisnawati Krisnawati, Anita Apriliani Dwi Rahayu, Yosephin Martha Maria Anita Nugraheni, Gipi Samawandana

“…The roots had the most varied constituents with detection of alkaloids, tannins, flavonoids, saponins, and terpenoids. …”
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Epidemic dropsy: A mimic of scleroderma? by Anupam Wakhlu, Rasmi Ranjan Sahoo

“…These alkaloids produce widespread capillary dilatation, increased capillary permeability, and endothelial proliferation, akin to the toxic oil syndrome. …”
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Methanolic Root Extract of Rauwolfia serpentina Benth Improves the Glycemic, Antiatherogenic, and Cardioprotective Indices in Alloxan-Induced Diabetic Mice by Muhammad Bilal Azmi, Shamim A. Qureshi

“…Qualitatively MREt showed the presence of alkaloids, carbohydrates, flavonoids, glycosides, cardiac glycosides, phlobatannins, resins, saponins, steroids, tannins, and triterpenoids, while quantitatively extract was rich in total phenols. …”
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