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− | ==Etymology and derivation:== | + | ==Etymology and derivation== |
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| The word ‘rasa’ is derived from the Sanskrit root “ras” having the meaning of taste, to relish, to perceive, to feel, to desire.<ref> Monier Williams (1899), “रस्”, in A Sanskrit–English Dictionary, new edition, Oxford: At the Clarendon Press, OCLC 458052227, page 0869 </ref> | | The word ‘rasa’ is derived from the Sanskrit root “ras” having the meaning of taste, to relish, to perceive, to feel, to desire.<ref> Monier Williams (1899), “रस्”, in A Sanskrit–English Dictionary, new edition, Oxford: At the Clarendon Press, OCLC 458052227, page 0869 </ref> |
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| Rasa is derived from the root ‘gatau’ which means moving. As the nutrient fluid is continuously circulated in our body, it is known as rasa.[Su. Sa. Sutra Sthana 14/13] | | Rasa is derived from the root ‘gatau’ which means moving. As the nutrient fluid is continuously circulated in our body, it is known as rasa.[Su. Sa. Sutra Sthana 14/13] |
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− | ==Synonyms: == | + | ==Synonyms == |
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| • Adyadhatu(first [[dhatu]]) [A.Hr.Sutra Sthana 13/25] | | • Adyadhatu(first [[dhatu]]) [A.Hr.Sutra Sthana 13/25] |
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| • Prasada and Sara are the synonyms of rasa in the context of ahara rasa. | | • Prasada and Sara are the synonyms of rasa in the context of ahara rasa. |
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− | ==Meanings in different contexts: == | + | == Meanings in different contexts == |
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| The word rasa has a wide range of meanings like taste, extract/juice, meat soup, mercury. | | The word rasa has a wide range of meanings like taste, extract/juice, meat soup, mercury. |
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| The rasa dhatu has [[jala mahabhuta]] predominance in its constitution. It possesses liquidity(drava), fluidity (sara), opaque(manda), viscous(snigdha) and unctuous(pichchila) properties.<ref name=Dwarakanath>Dwarkanath C. Introduction to Kayachikitsa. Chaukhambha Orientalia. Varanasi; 1996. Third edition.pg.320</ref> | | The rasa dhatu has [[jala mahabhuta]] predominance in its constitution. It possesses liquidity(drava), fluidity (sara), opaque(manda), viscous(snigdha) and unctuous(pichchila) properties.<ref name=Dwarakanath>Dwarkanath C. Introduction to Kayachikitsa. Chaukhambha Orientalia. Varanasi; 1996. Third edition.pg.320</ref> |
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− | == Physiological aspects== | + | == Physiological aspects == |
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− | ===Formation,circulation and metabolism of rasa dhatu=== | + | === Formation,circulation and metabolism of rasa dhatu === |
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| Rasa dhatu is formed from essence of food(ahara rasa). The ingested food is disintegrated into two parts: essence or useful part (prasada) and waste (kitta). The prasada is called as essence of food (ahara rasa). This essence is transformed into a nutrient fluid called ‘rasa dhatu’. [Cha. Sa. [[Sutra Sthana]] 28/4]. It is the ultrafine form of ahara rasa. [Su. Sa. Sutra Sthana 14/3] | | Rasa dhatu is formed from essence of food(ahara rasa). The ingested food is disintegrated into two parts: essence or useful part (prasada) and waste (kitta). The prasada is called as essence of food (ahara rasa). This essence is transformed into a nutrient fluid called ‘rasa dhatu’. [Cha. Sa. [[Sutra Sthana]] 28/4]. It is the ultrafine form of ahara rasa. [Su. Sa. Sutra Sthana 14/3] |