A Collagen Network Formation Effector from Leaves of Premna subscandens.

A collagen network formation effector from leaves of Premna subscandens.

As a part of the search for biologically active plant products, M cells, which form a collagen fiber network in vitro after a prolonged culture period, were used. The n-BuOH-soluble fraction of a methanol extract of leaves of Premna subscandens exhibited promotion of collagen network formation by M cells. Extensive isolation work guided by a bioassay afforded a phenylethanoid, acteoside, as an ...

Antioxidant properties of flavonoid rich fraction from the leaves of Premna integrifolia

Leaves of Premna integrifolia belong to Verbanacea is an important rasayana drug in ayurvedic medicine and are considered to be useful in the treatment of variety of ailments. The present study was aimed to assess the for its antioxidant activities. The flavonoid rich fraction, showed antioxidant activity was evaluated using the superoxide scavenging, anti lipid peroxidation, hydroxyl radical s...

Sulfated polysaccharides purified from two species of Padina improve collagen and epidermis formation in the rat

Sulfated polysaccharides have shown promising effects on wound healing processes along with many other biological activities. The sulfated polysaccharides extracted from two algae species habitats in Persian Gulf were studied in vivo for their effects on collagen formation and epidermal regeneration. The polysaccharides were purified from aqueous extracts of P. tetrastromatica and P. boergeseni...

The formation of fibrils from collagen solutions. 2. A mechanism of collagen-fibril formation.

Premna Species: A Review

Millions of people all over the world are using herbal medicines from thousands of years, due to their great interest in traditional medicines. They belief that herbal medicines might be effective in the treatment of certain diseases(Calixto, 2000).The genus Premna contains 200 species under the family Verbenaceaeall over the world and out of that approximately 30 species are present in India. ...