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Dhatu poshana nyaya

An important Ayurveda theory or concept ....

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Dhatu poshana nyaya

  1. 1. DHATU POSHANA NYAYA By Dr. ARUN CHHAJER M.D. (Kayachikitsa) Asst. Professor, Bharti Ayurvedic Medical College, Durg, Chhattisgarh
  2. 2. INTRODUCTION There are 4 theories about the modes of dhatu formation or nourishment as described below- Kshira – dadhi nyaya (Law of Transformation) Kedari – kulya nyaya (Law of Transmission) Khale – kapota nayay (Law of Selection) Ekakala Dhatu Poshan Siddhanta
  3. 3. KSHEERA DADHI NYAYA (LAW OF TRANSFORMATION) • According to this theory poorvadhatu is converted into uttara dhatu as milk is converted into curd, curd into butter & butter into ghrita & ghrita ghritamanda (upper transparent portion of ghrita).
  4. 4. • For this conversion or transformation of one dhatu into next dhatu, it takes 7 days for formation of shukra from rasa dhatu. • Some says that it takes 30 days for dhatu transformation to be completed.
  5. 5. DRAWBACKS • According to this theory, the whole rasa dhatu is converted into rakta & the entire rakta into mamsa & so on upto shukra dhatu by 7th or 30th day. • If a person fasts for 7 or 30 days, the entire body should either becomes shukramaya or it should have perished because of absence of all dhatus except shukra.
  6. 6. • If rasa dhatu is defective,all dhatus next to it will be defective as they are formed from rasa. • Medavriddhi should result in asthivriddhi by this law but in practice, it is not seen so. • This theory cannot be applied in case of certain aphordisiac, anti toxic and rasayan dravyas as they directly act on praticular tissue. For e.g. milk is vrishya i.e. it immediately acts on shukra dhatu after consumption so this cannot be explained by this law as according to this, it will take a month to act on shukra dhatu. Hence this nyaya cannot be acceptes as a whole.
  7. 7. Justification • Formation of dhatus takes place serially. The dhatus are divided into three parts sthulamsha, sukshamsha and malamsha during their transformation. • The sthoolamsha forms sthayi or stable dhatu. Sukshmamsha is nutrient portion of next dhatu and this sukshmamsha gets transformed into next dhatu when it goes to specific sroats. • Thus there is no question of complete transformation of dhatus.
  8. 8. KEDARI – KULYA NYAYA (LAW OF TRANSMISSION) • According to this theory, the process of nourishment of tissues can be linked to irrigation of different fields by water from a canal.
  9. 9. • From this law it is clear that dhatus are nourished by aahara rasa through specific dhatuvaha srotas or canal and with the help of dhatvagni, a part of aahara rasa or dhatuposhaka amsha nourishes the specific dhatu. • This law also indicates that rasa dhatu is nourished ealier than mamsa as it is nearer to chanal and mamsa dhatu is farther away. • By this law, action of milk on shukra can be explained. • Also it is clear that medavriddhi cannot necessarily cause asthivriddhi.
  10. 10. KHALE KAPOTA NYAYA (LAW OF SELECTION) • Accordint to this theory, process of nourishment of dhatus takes place by selection. Khala means khalian or field where in the grains are heaped after cutting the crop. Kapota means pigeon.
  11. 11. • Khale kapota nyaya means slection of individual items of requirement by individual dhatwagnis from aahar rasa which can contains all the nutrient principles.
  12. 12. • By this law action of milk on shukra can be explained. • Also it is clear that medavriddhi cannot necessarily cause asthivriddhi. • Also it is not necessary that vitiated rasa dhatu should lead to vitiated dhatus.
  13. 13. EKAKALA DHATU POSHAN SIDDHANTA  This principle was said by Acharya Arundutta, the commentator of Astanga hridaya.  With the help of vyana vayu, aahara rasa nourishes all dhatus at a time without interruption, throughout life.  This is known as eka kala dhatu poshana nyaya.  This law is universally accepted without any criticism.
  14. 14. dz- /kkrq iks”k.k U;k; izorZd o leFkZd 1. {khjnf/k U;k;@ dzeifjek.k U;k;@ lokZReifjek.k U;k; n`<cy o pjd 2. dsnkjh dqY;k U;k; lqJqr oHkkoizdk’k 3. [kys diksr U;k; lqJqr 4. ,d dky /kkrq iks”k.k v:.knÙkookXHkÍ

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An important Ayurveda theory or concept ....

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