Ayurvedic Pharmacology of Shorea robusta & its Pharmacognocy
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Classical categorization :- Bednasthapan, kasaya-skandh, aasavyoni briksh(c.) salsaradi, rodhradi.(su.)
Latin Name:- Shorea robusta. Family Name:- Dipterocarpaceae- zfn s'n
_ Sanskrit Name:- Shaal, saalsaar,
dhupbriksha, surubhi, sarj, sarj ras.etc. Nepali Name:- ;fn, ;v'jf English Name:- Sal tree.
Shorea robusta-zfn_
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A large evergreen tree, 18-30 mt. tall with dark brown bark. Leaves simple, alternate, stalked, ovate-oblong, 6-22 cm long, 4-16 cm broad, entire, acuminate, glabrous. Flowers cream colored , in axillary or terminal cymes. Fruit 1.2 cm long, winged, brownish yellow. Seeds ovoid, fleshy.
Flowering in march & Fruiting in may-june.
Botanical description:-
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Raj nighantukar has mentioned sarjyugma;1) Shaal-Shorea robusta.2) Sarj- Vateria indica.
Varieties:
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150-1500mt , east to west.
Major chemical constituents:-Bark contains tannins, oleanolic acid,
benzofuranshoreaphenal.etc Saal resin contains essential oil ,
dipterocarpol, dammarenolic acid, asiatic acid, A-amyrin.etc
Distribution in Nepal:-
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Guna: ruksha. Rasa: kasaya (bark), kasaya, madhur (resin).
Vipak: katu. Virya: sitt. Pravab: Bednasthapan.
Ayurvedic Pharmacology of Saal(Guna):-
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Effect on Doshas : - pitt-kaph samak. Systemic: External: Resin is vransodhan, vranropan, sandhaniya,
jantughna. Internal: NS: Bednasthapan. DS: Stamvan. CS: Rakt-stamvan. RS: Bark is kaphaghna, resin is kaph nihsarak, kaph durgandh
har. US: Bark is mutrasangrahniya, resin is anti-bacterial. Res.S: Garvasya sothhar, yonisrav har. Skin: kusthghna, swedapanayan. Tem. Jwarghna . Suitability: Sandhaniya, med soshak.
Actions (Karma)
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External application of resin and bark are useful in vran, bedna, soth. Resin in agnidagdh, twak rog, kusth,kandu,etc.
Its internal use is effective in atisar, raktarsh, raktpravahika, rakt-pitt, prameh, pradar, yonirog, kusth, visarog, kandavagna, etc.
Indication/Uses:-
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Galganda:- Resin along with gomutra to be administered orally.(Su.Ci-18)
Pandu:- saalsaradi gan churna and amalaki churna with honey is taken orally.(su.ut.-44)
Prameha:- saal, saptparna, kampillak, brikshak, bibhitak, kapitha, rohitak, and arjun are to be powdred and given with honey and amalaki juice as anupan.(A.H.Ci-12)
Hikka & swash: The fumes of resin is useful.(S.Ut.-50)
Classical therapeutic uses:-
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Dosage:- Resin Powder 1-3gm.
Bark Decoction 50-100 ml.
Important preparation:- Saalsaradi kwath, sarjrasadi malhar, atasyadi lep.
Parts used:- Bark & Resin.