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Phytochemical and anti-bacterial activity of epidermal glands extract of Christella parasitica (L.) H. Lev.

Asian Pacific Journal of Tropical Biomedicine 2011年第1期1卷 8-11页

作者： Paul Raj K Irudayaraj V Johnson M Patric Raja D Dartment of Plant Biology and Plant Biotechnology St.Xavier's College(Autonomous)

Objective:To study the morphology,biochemistry and bioactivity of the epidermal glands of the glandular morphotype of Christella parasitica(***)(L.) ***: Morphological studies on epidermal glands were earned out by using light microscope and scanning electron *** prepare the extract,the shade-dried fronds of glandular morphotype were soaked in *** antibacterial studies paper disc method was followed by using various pathogenic ***:Detailed micromorphological,phytochemical and bioactivity studies on a medicinal fern ***(L.) *** its inlraspecific variation in antibacterial *** presence or absence of the epidermal glands was the key factor for antibacterial activity in the morphovariants of this *** epidermal glands were orange-coloured,stalked and elongated ones of about 84.2μm×45μm,and distributed on the undersurface of cosla,coslules and veins in croziers,young and mature *** of glands varied from 15/cm on costa in mature leaves to 140/cm on costules in *** acetone extract of the glands showed antibacterial activities and also toxic effect against mosquito larvae and tadpoles of *** phytochemical analysis and HPLC studies of the gland extract showed the presence of various kinds of terpenoids,alkaloids,tannins,saponins and flavonoids in ***:The present study shows that epidermal glands of the glandular morphotype of C. parasitica(L.) *** several bioactive compounds and such rare moiphovariant should be conserved in *** next step is to isolate the pure compounds and to screen the bioactivity of individual compounds of the epidermal glands.

关键词： Epidermal glands Christella parasitica Bioactivity Phytochemical activity Anti-bacterial activity Morphology Biochemistry Glandular morphotype Light microscope Shade-dried frond Bioactive compound Morphovariant Preliminary phytochemical analysis Gland extract Flavonoid

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SOME PRELIMINARY OBSERVATIONS ON TISSUE CULTURE IN LAMINARIA JAPONICA AND UNDARIA PINNATIFIDA

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Chinese Science Bulletin 1983年第2期28卷 247-249页

作者：方宗熙阎祚美王宗诚 Shandong College of Oceanography Qingdao Shandong College of Oceanography Qingdaohe totipotency of higher plant somatic cells was first demonstrated by Steward on carrot. Since then tissue culture has been widely practised from which the totipotency of many plant somatic cells has been observed. The key substance in inducing totipotency seems to be kinetin and cytokinin. Similar work was reported on the Laminaria sporophytes by Saga et al. with limited success. In our laboratory we used the sporophytes of Laminaria japonica and Undaria pinnatifida to test the totipotency of the somatic cells with a newly synthetic hormone C-751.

The totipotency of higher plant somatic cells was first demonstrated by Steward on carrot. Since then, tissue culture has been widely practised from which the totipotency of many plant somatic cells has been observed. The key substance in inducing totipotency seems to be kinetin and cytokinin. Similar work was reported on the Laminaria sporophytes by Saga et al. with limited success. In our laboratory, we used the sporophytes of Laminaria japonica and Undaria pinnatifida to test the totipotency of the somatic cells with a newly synthetic hormone C-751.

关键词： Laminaria somatic Steward inducing frond sterile realization filaments callus length

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