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Clitoria ternatea

 

Clitoria ternatea

Clitoria ternatea
Clitoria ternatea vine
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Genus: Clitoria
Species: C. ternatea
Binomial name
Clitoria ternatea
L.
Flower and pods in different states of ripeness
The shape of the flower has inspired some of its names.

Clitoria ternatea, common names including butterfly pea, blue pea, Cordofan pea and Asian pigeonwings, is a plant species belonging to the Fabaceae family. The flowers of this vine have the shape of human female genitals, hence the Latin name of the genus "Clitoria", from "clitoris". (Synonyms: Clitoris principissae.).[1]

Names in other languages include bunga telang (Malay), อัญชัน `anchan (Thai), đậu biếc (Vietnamese) and 蝶豆 dié dòu (Mandarin Chinese).

Contents

  • Distribution 1
  • Description 2
  • Uses 3
    • Food 3.1
    • Medicine 3.2
  • Gallery 4
  • References 5
  • External links 6

Distribution

This plant is native to tropical equatorial Asia, but has been introduced to Africa, Australia and America.

Description

It is a perennial herbaceous plant, with elliptic, obtuse leaves. It grows as a vine or creeper, doing well in moist, neutral soil. The most striking feature about this plant are its vivid deep blue flowers; solitary, with light yellow markings. They are about 4 cm long by 3 cm wide. There are some varieties that yield white flowers.

The fruits are 5 – 7 cm long, flat pods with 6 to 10 seeds in each pod. They are edible when tender.

It is grown as an ornamental plant and as a revegetation species (e.g., in coal mines in Australia), requiring little care when cultivated. As a legume, its roots form a symbiotic association with soil bacteria known as rhizobia, which transform atmospheric N2 into a plant usable form, therefore, this plant is also used to improve soil quality through the decomposition of N-rich tissue.

Uses

Food

In Southeast Asia the flowers are used to colour food. In Malay cooking, an aqueous extract is used to colour glutinous rice for kuih ketan (also known as pulut tai tai in Peranakan/Nyonya cooking) and in nyonya chang. In Kelantan it is used to colour white rice for Nasi kerabu. In Thailand, a syrupy blue drink is made called nam dok anchan (น้ำดอกอัญชัน), it is sometimes consumed with a drop of sweet lime juice to increase acidity and turn the juice into pink-purple. In Burmese and Thai cuisine the flowers are also dipped in batter and fried.

Medicine

In traditional Ayurvedic medicine, it has been used for centuries as a memory enhancer, nootropic, antistress, anxiolytic, antidepressant, anticonvulsant, tranquilizing and sedative agent.[2]

In traditional Chinese medicine, owing to its similarity to the female body part, this plant has been ascribed properties affecting the same (a phenomenon also found in connection with the mandrake, among other plants). It was used traditionally in an attempt to treat sexual ailments, like infertility and gonorrhea, to control menstrual discharge, and also as an aphrodisiac. This practice aligns with an ancient belief recorded in the Doctrine of Signatures.[3]

In animal tests the methanolic extract of Clitoria ternatea roots demonstrated nootropic, anxiolytic, antidepressant, anticonvulsant and antistress activity.[4] The active constituents include tannins, resins, starch, taraxerol and taraxerone.

Recently, several biologically active peptides called cliotides have been isolated from the heat-stable fraction of Clitoria ternatea extract. Cliotides belong to the cyclotides family[5] and activities studies show that cliotides display potent antimicrobial activity against E. coli, K. pneumonia, P. aeruginosa and cytotoxicity against Hela cells. These peptides have potential to be leading compounds for the development of novel antimicrobial and anti-cancer agents.[6]

The enzyme responsible for the biosynthesis and backbone cyclization of cliotides has recently been isolated. It was named Butelase 1 in accordance to its local name in Singapore (Bunga Telang Ligase). Butelase 1 is the fastest peptide ligase known capable of catalyzing peptide cyclization at an extraordinarily efficiency.[7]

Gallery

Front and back sides
Clitoria ternatea, Isla Margarita, Venezuela
Clitoria tea in a pot
Thai Khao tom sweet colored blue with Clitoria ternatea flowers
அடுக்கு சஙுகு flower, More popular is single petal. This multilayer flower is more beautiful and is used as natural dye

References

  1. ^ Pharmacopia Indica Awl
  2. ^ Mukherjee PK, Kumar V, Kumar NS, Heinrich M"The Ayurvedic medicine Clitoria ternatea-From traditional use to scientific assessment." J Ethnopharmacol. 2008 Sep 20;
  3. ^ Fantz, Paul R. (1991). "Ethnobotany of Clitoria (Leguminosae)". Economic Botany (New York Botanical Garden Press) 45 (4): 511–20.  
  4. ^ Jain, N; Ohal, C.C; Shroff, S.K; Bhutada, R.H; Somani, R.S; Kasture, V.S; Kasture, S.B (2003). "Clitoria ternatea and the CNS". Pharmacology Biochemistry and Behavior 75 (3): 529.  
  5. ^ Nguyen, GK; Zhang, S; Nguyen, NT; Nguyen, PQ; Chiu, MS; Hardjojo, A; Tam, JP. (Jul 2011). "Discovery and characterization of novel cyclotides originated from chimeric precursors consisting of albumin-1 chain a and cyclotide domains in the Fabaceae family". J Biol Chem. 286 (27): 24275–87.  
  6. ^ Nguyen, Kien Truc Giang; Zhang, S; Nguyen, N. T.; Nguyen, P. Q.; Chiu, M. S.; Hardjojo, A.; Tam, J. P. (8 July 2011). "Discovery and Characterization of Novel Cyclotides Originated from Chimeric Precursors Consisting of Albumin-1 Chain a and Cyclotide Domains in the Fabaceae Family". Journal of Biological Chemistry 286 (27): 24275–24287.  
  7. ^ Nguyen, Giang. "Butelase 1 is an Asx-specific ligase enabling peptide macrocyclization and synthesis". Butelase 1 is an Asx-specific ligase enabling peptide macrocyclization and synthesis. 

External links

  • "Clitoria ternatea"Plant of the Week—. Retrieved 2007-07-31. 
  • "Clitoria ternatea". Tropical Forages. Retrieved 2007-07-31. 
  • Caldecott, Todd (2006). Ayurveda: The Divine Science of Life. Elsevier/Mosby.   Contains a detailed monograph on Clitoria ternatea (Shankhapushpi) as well as a discussion of health benefits and usage in clinical practice. Available online at http://www.toddcaldecott.com/herbs/learning-herbs/330-shankapushpi
  • Comparative Evaluation of in vitro Antioxidant Activity of Root of Blue and White Flowered Varieties of Clitoria ternatea Linn.
  • Picture Gallery of Clitoria ternatea
  • Antihistaminic activity of Clitoria ternatea L. roots
  • Clitoria ternatea in West African plants – A Photo Guide.
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