Bletilla striata

Saito, N. et al., Acylated cyanidin glycosides in the purple-red flowers of Bletilla striata. Phytochemistry, 40, 1523, 1995. 

Zheng, C., G. Feng, and H. Liang. 1998. Bletilla striata as a vascular embolizing agent in interventional treatment of primary hepatic carcinoma. Chin. Med. J. English ed. Ill 1060-1063. 

Yamaki, M., L. Bai, T. Kato, and . I. Tomita. 1993. Blespirol, a phenanthrene with a spirolactone ring from Bletilla striata. Phytochemistry 33 1497-1498. 

The two bibenzyls from Bletilla striata, 3,3 -dihydroxy-2, 6 -bis(p-hydroxybenzyl)-5-methoxybibenzyl and 3, 5-dihydroxy-2-(p-hydroxybenzyl)- 3-methoxybibenzyl, substantially inhibited the polymerization of tubulin (IC50 10 pM, respectively). The former one also potentiated the cytotoxicity of SN-38 in BCRP-transduced K562 (K562/BCRP) cells [468]. 

The phenanthrenoids from Bletilla striata showed similar antimitotic activity to bibenzyls in the same plant, but less potent (ICso 30 / M) than the bibenzyls [468]. 

Also for excessive bleeding, add Pulvis Radicis Pseudoginseng San Qi Fen), Rhizoma Bletillae Striatae Bai Ji), and Folium Artemisiae Argyii Ai Ye). 

For pulmonary tuberculosis with hemoptysis, add Tuber Bletillae Striatae Bai Ji), Herba Agrimoniae Pilosae Xian He Cao), and Herba Cum Radice Callicarpae Pedunculatae Zi Zhu Cao). 

Constit. of the tubers of Bletilla striata. Pale yellow plates (CHCl3/Me2CO). Mp 208-211°. Racemic. 

Constit. of Arundina bambusifolia and Bletilla striata. Needles (CHCl /MeOH or EtOAc/petrol). Mp 195° (171-173°). 

C,8H320,6 504.441 Isol. from the hydrolysates of konjac glucomaimaii (Amorphophallus konjac), mucous polysaccharides of Bletilla striata and the glucomannan in the tubers of Arum maculatum. Isol. from Asparagus officinalis seeds... 

Constit. of the mucilage from the tubers of Bletilla striata. Isol. from the enzymatic hydrolysate of the glucomannans from lily. Jack pine (Pinus banksiand) Narcissus tazetta and from larch (Larix decidua) glucomannan. Amorph. [a]o +5.7 (c, 0.5 in H2O). [a]o +17 (c, 1.0 in H2O). 

Isol. from the partial acid hydro , of the glucomannan from Bletilla striata. Narcissus tazetta. Arum maculatum. Arum orientale and from larch Larix decidua). Isol. from enzymic reaction on Amorplio-phallus konjac glucomannan. 

C18H32O16 504.441 Isol. from the partial acid and enzymic hydrolysates of several mannans e.g. ivory nut (Phytelephas macrocarpa). Palmyra pahn (Borassus flabellifer), galactoman-nans e.g. lucerne (Medicago sativa), seeds of Sesbania aegyptiaca, glucomannans e.g. white spruce (Picea glauca), Larix decidua, jack pine (Pinus banksiana), Bletilla striata and Narcissus tazetta. Isol. from enzymic hydrolysates of brown copra metil, sapwood of Pinus densiflora. Constit. of commercial soybean syrup. Cryst. (EtOH). 

The dimeric phenanthrenes are commonly constructed by 1-1 linkage of monomers, and the dimers with 1-3, 1-8, and 3-3 link patterns also existed. Nearly 40 dimeric phenanthrenes have been found in the plants [87]. The representatives are cirrhopetalanthrin 176 from Cremastra maculosum [101], blestrianol A 177 from Bletilla striata [102], blestriarene B 178 from Bletilla formosam [57], and spiranthesol 179 from Spiranthes sinensis [103]. 

Majumder PL, Pal A, Joardar M (1990) Cirrhopetalanthrin, a dimeric phenanthrene derivative from the orchid Cirrhopetalum maculosum. Phytochemistry 29 271-274 Bai L, Kato T, Inoue K, Yamaki M, Takagi S (1991) Blestrianol A, B and C, biphenanthrenes from Bletilla striata. Phytochemistry 30 2733-2735... 

Obt. from Bletilla striata. Shows antimicrobial props. Needles (Me2CO). Mp 72 . 

Ihkagi S, Yamaki M, Inoue K 1983 Antimicrobial agents from Bletilla striata. Phytochemistry 22 1011-1015... 

Rhizome of Bletilla striata (Thunb.) Reichh. f. (Family Orchidaceae), a perennial herh, 30-70 cm high, with a thick and fleshy rhizome widely distributed in central, eastern, and southern China also cultivated. Rhizome is collected in autumn and early winter and cured hy steaming or boiling in water until thoroughly cooked and then sun- or oven-dried. 

Liu BS, Huang TB, Yao CH et al (2009) Novel wound dressing of non-woven fabric coated with genipin-crosslinked chitosan and bletilla striata herbal extract. J Med Biol Eng 29 60-67... 

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