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Background: Pinus belongs to the family Pinaceae, represented by several species across the globe. Various parts of the plant including needles are rich in biologically active compounds, such as thunbergol, 3-carene, cembrene, α-pinene, quercetin, xanthone. Of all the alkaloids, the piperidine group is one of the important component and holds considerable medicinal importance., Methods: The group of alkaloids was initially identified from the genus Piper through which a large variety of piperidine molecules have been extracted. The planar structure of this heterocyclic nucleus enables acetamide groups to be added at various ring configurations., Results: Piperidines have gained considerable importance. The broad range of its therapeutic application has paved a way for researchers to implant the nucleus from time to time in diversified pharmacophores and establish new profile., Discussion: Biological functions of piperidine metabolites have been mostly examined on a limited scale, and that most of the findings are preliminary. We have tried to present various clinical applications of piperidine alkaloids in this study that researchers have already attempted to demystify with time., Conclusion: We have also illustrated different types of piperidine structures and their sources in different members of the family Pinaceae with special emphasis on Pinus. Given the importance of the piperidine nucleus, the study will enable the researchers to produce scaffolds of highest therapeutic efficacy., (Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.)

Pinus species are amongst the most commonly used medicinal plants in Indian Northwestern Himalayas. Nearly all parts of the plant especially needles are believed to possess medicinal and clinical values in traditional systems of medicine such as Ayurvedic, Unani or Homeopathic. They are used to heal numerous diseases, including afflictions of the skin, eyes, throats and ears. Various parts of the plant including needles are rich in biologically active compounds, such as thunbergol, 3-carene, cembrene, α-pinene, quercetin, xanthone, etc. The scientific data available for the biological potential of this plant and its constituents have been found to be scanty and also does not satisfy the basis of their age-old folklore and local uses. This review focuses on a detailed analysis of ethnopharmacognosical studies on the needles of different Pinus species growing naturally in northwestern region of Indian Himalayas including investigations and findings that have come up with a concrete view of the abilities of plant components for example phenolics, flavonoids, tannins and other constituents to treat oxidative, inflammatory and microbial responses. Careful evaluation of the data presented may be helpful for the researchers to discover and evaluate the specific chemical entities responsible for the traditional medicinal uses of P. roxburghii, P.wallichiana, P. merkusii, P.kesiya and P.thunbergii., (Copyright© Bentham Science Publishers; For any queries, please email at epub@benthamscience.net.)