SNUHI
Snuhi consists of stem of Euphorbia neriifolia Linn. (Fam. Euphorbiacem), a large branched, erect, glabrous, succulent, xerophytic shrub occurring wild on rocky ground throughout central India and extensively grown as a hedge plant.
SYNONYMS
Sanskrit : Sudha, Vajradruma, Snuk
Assamese : —
Bengali : Manasasij
English : Milkhedge
Gujrati : Thor, Kantalo
Hindi : Thuhar, Sehunda
Kannada : Muru Kanina Kalli
Kashmiri : Kath
Malayalam : Kalli, Kaikalli
Marathi : Nivadung
Oriya : Thor, Kantalothor
Punjabi : Thohar
Tamil : Elaikalli, Perumbu Kalli
Telugu : Kadajemudu
Urdu : —
DESCRIPTION
a) Macroscopic
Stem, green, cylindrical, showing, spiral ridge portion only, dried stem, tough with pairs of sharp stipular thorns, with hollow space in centre containing white reticulate mass, taste, acrid.
b) Microscopic
Transverse section shows a single layered epidermis composed of squarish, thinwalled, parenchymatous cells, followed by a thick zone of cortex, differentiated into two parts, outer of thin walled, rectangular, oval and oblong parenchymatous cells of about 20 layers depth, inner wider zone, consisting of about 30-40 layers of thin-walled, oblong or ovoid, elongated parenchymatous cells having a number of rounded and oval latex cells, some contain dark yellowish latex, the number of latex cells gradually reduce towards outer side, below cortex, about 10 layers of phloem present, containing group of fibres towards cortex, xylem consists of vessels, tracheids, fibres and xylem parenchyma, pith consists of thin-walled, rounded or oval, parenchymatous cells, starch and calcium oxalate crystals absent.
Powder– Cream yellow, under microscope shows, vessels, fibres and cortical cells, starch and calcium oxalate crystals absent.
IDENTITY, PURITY AND STRENGTH
Foreign matter Not more than 2 per cent, Appendix 2.2.2.
Total Ash Not more than 8 per cent, Appendix 2.2.3.
Acid-insoluble ash Not more than 1 per cent, Appendix 2.2.4.
Alcohol-soluble extractive Not less than 5 per cent, Appendix 2.2.6.
Water-soluble extractive Not less than 15 per cent, Appendix 2.2.7.
CONSTITUENTS – Resin, gum and triterpenes.
PROPERTIES AND ACTION
Rasa : Katu, Tikta
Guna : Guru, Tiksna
Virya : Usna
Vipaka : Katu
Karma : Bhedana, Tiksnavirecana, Amakaphavatahara
IMPORTANT FORMULATIONS – Abhaya Lavana, Citrakadi Taila, Avittoladi Bhasma, Vajraksara
THERAPEUTIC USES – Sotha, Gulma, Kustha, Meha, Udararoga.
DOSE – 125 -250 mg of the drug in powder form.
Note– Sodhana of this drug is to be done before use as described in appendix.
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