Composition comprising bamboo extract and the compounds isolated therefrom showing treating and preventing activity for inflammatory and blood circulation disease
a technology of bamboo extract and compound, which is applied in the direction of drug composition, extracellular fluid disorder, metabolic disorder, etc., can solve the problems of abnormally high fat concentration in the blood, difficult normal living life, and high toxicity, so as to maintain the elasticity and strength of the blood vessel
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example 1
Preparation of the Crude Extract of Bamboo Plant
[0088] Bamboo plants of Sasa borealis Makino, Sasa coreana Nakai, Sasa japonica Makino, Sasa borealis var. gracilis, Sasa palmata Nakai, Phyllostachys nigra MUNRO var. henonis STAPF, Phyllostachys bambusoides SIEB. Et Zucc., Phyllostachys nigra MUNRO, and Phyllostachys pubescens MAZEL ex H. de LEH were washed, dried for 10 days at room temperature.
[0089] 10 kg of dried leaves or stem of bamboo plant were cut into small pieces, mixed with 100 L of 70% ethanol and the mixture was heated 3 times at 80° C. for 7 hours, repeatedly. And the extract was filtered with filter paper (Whatman Co., U.S.A. ). The filtrates were pooled and concentrated by rotary evaporator (N-1000, Eyela Co. Japan) at 55˜65° C. under reduced pressure and dried with freezing dryer (Speed Spec 3000, Bio-Rad, U.S.A.) to obtain dried crude extract of each bamboo plant (See Table 1).
TABLE 1LeafStemSasa borealis Makino880 g880 gSasa coreana Nakai850 g640 gSasa japonic...
example 2
Preparation of Polar Solvent and Non-Polar Solvent Soluble Extract of Phyllostachys nigra
[0090] 2-1. Preparation of n-hexane soluble extract
[0091] 50 g of crude extract of Phyllostachys nigra prepared in Example 1 was suspended in 1 liter of distilled water and the suspension was mixed with 1 liter of n-hexane vigorously to divide into n-hexane soluble fraction and water-soluble fraction. n-hexane soluble fraction was collected and the residual solution was subjected to the n-hexane extraction again. Above-described procedure was repeated 3 times.
[0092] n-hexane soluble fraction was evaporated in vacuo to give 9.1 g of n-hexane soluble extract of Phyllostachys nigra.
[0093] 2-2. Preparation of dichloromethane soluble extract
[0094] Water-soluble fraction of Phyllostachys nigra prepared in Example 2-1 was mixed with equivalent volume of dichloromethane vigorously to divide into dichloromethane soluble fraction and water-soluble fraction. Dichloromethane soluble fraction was collec...
example 3
Preparation of Polar Solvent and Non-Polar Solvent Soluble Extract of Sasa borealis (1)
[0102] As shown in the Table 2, each polar solvent and non-polar solvent soluble extract was prepared according to the identical method disclosed in the above Example 2.
TABLE 2AmountCrude extract57gn-hexane soluble extract9.5gDichloromethane soluble extract4.1gEthyl acetate soluble extract4.8gn-butanol soluble extract27.9gWater-soluble extract27.9g
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