Centella grows in tropical swampy areas.The stems are slender, creeping stolons, green to reddish-green in color, connecting plants to each other. It has long-stalked, green, rounded apices which have smooth texture with palmately netted veins. The leaves are borne on pericladial petioles, around 2 cm (0.79 in). The rootstock consists of rhizomes, growing vertically down. They are creamish in color and covered with root hairs.
Asiaticoside is a triterpene glycoside from the plant Centella asiatica, commonly used in wound healing. This activity is a result of stimulation of collagen and glycosaminoglycan synthesis. This glycoside was also found to have activity against herpes simplex virus 1 and 2 and mycobacterium tuberculosis. Neuroprotectant.
Cosmetic Function
1.Could tightening the connection part of the epidermal and dermal, can make the skin soft, help to improve cutis laxa phenomenon, make skin smooth and willowy.
2.Help to promote the formation of collagen in the dermal layer, make fibrin regeneration, to eliminate fundamentally
the mother skin lines, make the skin to achieve the compact and smooth effect.
3.Heal damaged tissue and tight skin, prevent hygrodermia, detumescence detoxification and remove abscess.
Function
1- Hearing heat and detoxicating,
2- Inducing diuresis and reducing edema.
3- Brain refreshing
4- It has the function of nourishing, diminish inflammation, heal wounds or ulcers, diuresis purge and calming.
5- Can also treat leprosy, ulcer.
6- Have wave action to blood purification and immunity.
7- A very good Nerve tonic, could improve memory, reduce mental fatigue;
8- Reduce blood press, treat liver disease.
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Remarks:
The above information about centella leaf extract is from the Internet and literature for reference only.
Changsha staherb natrual ingredients co.,ltd is a professional standardized plant extract production enterprise,the products are only for enterprise customers.
References:
1.Al-Forkan, M., Power, J.B., Anthony, P., Lowe, K.C., Davey, M.R.: Agrobacterium-mediated transformation of Bangladeshi Indica rices.-Cell. mol. Biol. Lett. 9: 287–300, 2004.
2.Baek, Y.W.: Micropropagation of Centella asiatica (L.) Urban by In Vitro Cultures and Production of Triterpene Glycosides.-Ph.D. Thesis, Chonnan University, Gwangju 1997.
3.Balz, J.P., Courtois, D., Drieu, J., Drieu, K., Reynoird, J.P., Sohier, C., Teng, B.P., Touche, A., Petiard, V.: Production of ginkgolides and bilobalide by Ginkgo biloba plants and tissue cultures.-Planta med. 65: 620–626, 1999.
4.Banerjee, S., Zehra, M., Kumar, S.: In vitro multiplication of Centella asiatica, a medicinal herb from leaf explants.-Curr. Sci. 7: 147–148, 1999.
5.Booncong, P., Eshbaugh, W.H., Ogzewalla, C.D.: Centella asiatica (L.) (Apiaceae): Morphological and cytological characterization.-In: Nahrstedt, A. (ed.): Abstracts of Lectures and Poster Presentations in the 43rd Annual Congress on Medicinal Plant Research. Pp. 92–93. Halle 1995.
6.Cartayrade, A., Neau, E. Sohier, C., Balz, J.P., Carde, J.P., Walter, J.: Ginkgolide and bilobalide in Ginkgo biloba: 1. Sites of synthesis, translocation and accumulation of ginkgolides and bilobalide.-Plant Physiol. Biochem. 35: 859–868, 1997.
7.Collin, H.A.: Secondary product formation in plant tissue cultures.-Plant Growth Regul. 34: 119–134, 2001.
8.Curtis, I.S., Power, J.P., Blackhall, N.W., De Laat, A.M.M., Davey, M.R.: Genotype-independent transformation of lettuce using Agrobacterium tumefaciens.-J. exp. Bot. 45: 1441–1449, 1994.
9.Das, A., Mallick, R.: Correlation between genomic diversity and asiaticoside content in Centella asiatica (L.) Urban.-Bot. Bull. Acad. sin. 32: 1–8, 1991.
10.Dutta, T., Basu, U.P.: Isothankunic acid — a new triterpene acid from Centella asiatica (URB).-Bull. nat. Inst. Sci. India 37: 178–184, 1968.
11.Flück, H., Jaspersen-Schib, R.: Medicinal Plants and Their Uses.-Foulsham, New York 1976.
12.Giri, A., Narasu, M.L.: Transgenic hairy roots: recent trends and applications.-Biotechnol. Adv. 18: 1–22, 2000.
13.Granicher, F., Christen, P. Kamalaprija, P., Burger, U.: An iridoid diester from Valeriana officinalis var. sambucifolia hairy roots.-Phytochemistry 38: 103–105, 1995b.
14.Granicher, F., Christen, P., Kapetanidis, I.: Production of valepotriates by hairy root cultures of Centranthus ruber DC.-Plant Cell Rep. 14: 294–298, 1995a.
15.Gupta, A.P., Gupta, M.M., Kumar, S.: High performance thin layer chromatography of asiaticoside in Centella asiatica.-J. indian chem. Soc. 76: 321–322, 1999.
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centella leaf extract Madecassoside 90% for cosmetics 
