Ipomoea

| Home | | Pharmacognosy |

Chapter: Pharmacognosy and Phytochemistry : Drugs Containing Resins

Ipomoea consists of the dried tuberous roots of Ipomoea orizabensis Ledenois., belonging to family Convolvulacae.


IPOMOEA

 

 

Synonyms

 

Radix ipomoeae, Orizaba jalap root, Mexican scammony root, Mexican scammony, Ipomoea radix.

 

Biological Source

 

Ipomoea consists of the dried tuberous roots of Ipomoea orizabensis Ledenois., belonging to family Convolvulacae.

 

Geographical Source

 

It is mainly found in Mexico (Orizabs), Mexican Andes.

 

Collection

 

Ipomoea is perennial climbing twinner. It produces a large, woody and tuberous root. The Roots are dug, washed, cut into slices and dried.

 

Characteristics

 

Ipomoea roots are large and fusiform, with 3 to 10 cm thick and about 20 cm long. They occur as irregular pieces, greyish brown in colour, with slight odour and slight acrid taste.

 

Microscopy

 

The cork is thin-walled cells, which is lignified. The parenchyma consists of numerous latex cells, starch grains, and calcium oxalate crystals. The starch occurs in group of two to six compounds, the calcium oxalate present is of prismatic type. In the middle it has the primary xylem surrounded by the secondary xylem. The vascular bundles are also present in numerous amounts,

 

Chemical Constituents

 

Ipomoea consist of 10 to 20% resin, volatile oil and some fatty acids. The resin has an ether soluble portion and ether insoluble portion. Both the portions contain jalapin; a mixture of acidic glycosides. Ether soluble portion has jalapinolic acid, whereas in ether insoluble part it has hydroxy fatty acids, that is, ipurolic acid and convolvullinic acid.

 

Uses

 

Ipomoea resin is strong cathartic.

Contact Us, Privacy Policy, Terms and Compliant, DMCA Policy and Compliant

TH 2019 - 2022 pharmacy180.com; Developed by Therithal info.