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== व्युत्पत्तिः ॥ Etymology ==

== व्युत्पत्तिः ॥ Etymology ==

The word "Rasayana"  is composed of 2 terms.

The word "Rasayana"  is composed of 2 terms.

* Rasa (रस।) - Rasa is one of the 7 [[Dhatus (धातवः)|dhatus]]. It refers to a body tissue/fluid which is believed to be the essence of nutrition

* Rasa (रस।) - [[Rasa Dhatu (रस धातु)|Rasa]] is one of the 7 [[Dhatus (धातवः)|dhatus]]. It refers to a body tissue/fluid which is believed to be the essence of nutrition

* Ayana(अयन।) - The pathway towards all body tissue elements (to nourish and replenish them) that provide Rasa dhatu access to other dhatus.  

* Ayana(अयन।) - The pathway towards all body tissue elements (to nourish and replenish them) that provide Rasa dhatu access to other dhatus.  

Thus, Rasayana means the therapy that is targeted at nutrition of all the body tissues.

Thus, Rasayana means the therapy that is targeted at nutrition of all the body tissues.

== रसायनस्य परिभाषा ॥ Rasayana Definition ==

== रसायनस्य परिभाषा ॥ Rasayana Definition ==

Acharya Sushruta has defined Rasayana on the basis of end results obtained with this treatment. He defines Rasayana as a measure, which prolongs and provides positive health. improves mental faculties and provides resistance and immunity against diseases.<blockquote>रसायनतन्त्रं नाम वयःस्थापनमायुर्मेधाबलकरं रोगापहरणसमर्थं च । (Sush. Samh. 1.7)<ref>Sushruta Samhita ([http://niimh.nic.in/ebooks/esushruta/?mod=read Sutrasthanam Adhyaya 1 Sutram 7])</ref></blockquote><blockquote>rasāyanatantraṁ nāma vayaḥsthāpanamāyurmedhābalakaraṁ rogāpaharaṇasamarthaṁ ca ।</blockquote>Sharangadhara Samhita explains the term 'Rasayana' as that which prevents ageing as well as diseases. <blockquote>रसायनं च तज्ञेयं यज्जराव्याधिनाशनम् । (Shar. Samh. Purva Khanda)<ref>Sharangadhacharya. Sharangadhara Samhita, Edited: Pandit Parashurama Sastri Vidyasagar with Adamalla Dipika and Kashirama’s Gudartha Dipika, 7th edition, Chaukambha Orientalia, Varanasi. 2008:37</ref></blockquote><blockquote>rasāyanaṁ ca tajñeyaṁ yajjarāvyādhināśanam ।</blockquote>

Acharya Sushruta has defined Rasayana on the basis of end results obtained with this treatment. He defines Rasayana as a measure, which prolongs and provides positive health. improves mental faculties and provides resistance and immunity against diseases.<blockquote>रसायनतन्त्रं नाम वयःस्थापनमायुर्मेधाबलकरं रोगापहरणसमर्थं च । (Sush. Samh. 1.7)<ref>Sushruta Samhita ([http://niimh.nic.in/ebooks/esushruta/?mod=read Sutrasthanam Adhyaya 1 Sutram 7])</ref></blockquote><blockquote>rasāyanatantraṁ nāma vayaḥsthāpanamāyurmedhābalakaraṁ rogāpaharaṇasamarthaṁ ca ।</blockquote>Sharangadhara Samhita explains the term 'Rasayana' as that which prevents ageing as well as diseases. <blockquote>रसायनं च तज्ञेयं यज्जराव्याधिनाशनम् । (Shar. Samh. Purva Khanda 4)<ref>Sharangadhacharya. Sharangadhara Samhita, Edited: Pandit Parashurama Sastri Vidyasagar with Adamalla Dipika and Kashirama’s Gudartha Dipika, 7th edition, Chaukambha Orientalia, Varanasi. 2008:37</ref></blockquote><blockquote>rasāyanaṁ ca tajñeyaṁ yajjarāvyādhināśanam ।</blockquote>

== अष्टाङ्गायुर्वेदे रसायनस्य स्थानम् ॥ Place of Rasayana in Ayurveda ==

== अष्टाङ्गायुर्वेदे रसायनस्य स्थानम् ॥ Place of Rasayana in Ayurveda ==

Ayurveda, the oldest medical system in the world, provides lots of lead to find active and therapeutically useful compounds from plants. ‘Rasayana’ formulations in Indian traditional medicine may have antioxidant activity arising from individual plants, and may act synergistically to prevent aging and related degenerative diseases.[Needs editing]

Ayurveda, the oldest medical system in the world, provides lots of lead to find active and therapeutically useful compounds from plants. ‘Rasayana’ formulations in Indian traditional medicine may have antioxidant activity arising from individual plants, and may act synergistically to prevent aging and related degenerative diseases.[Needs editing]

== References ==

== References ==

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[[Category:Ayurveda]]

[[Category:Ayurveda]]