this invention is a method for the extraction of the phenolic and compared with, the goal is to increase the content of the bamboo extract manufacturing method, specifically to the wood drying, crushing, grinding, and the bamboo powder to make the powder into the bamboo 70% of ethane this the aqueous solution added with 80. in terms of solvent extraction, vacuum filtration, precipitation and extraction liquid separation.the amount of income from the aqueous solution, ethanol extraction liquid is extracted to make the manufacturing stage in the manufacturing stage of the extraction separation of ethanol from aqueous solution with the concentration, freeze drying, extract is the extract of the production and the extract from the manufacturing stage the structure of the water extract is the extract, aqueous solution of the ether. the mixture of ethyl acetate and then add a layer of separation.the ethyl acetate layer concentration and vacuum freeze drying, the ethyl acetate partition water production and water production is the ethyl acetate partition stage containing the phenol and the goal is to see the bamboo extract contains about \uc81c\uc870\ubc29 method.according to the manufacturing method of the bamboo extract is made on the existing property and is excellent in the evaluation of polyvinyl phenol content is very high, but the goal is to have high content of functional components \uac00\uc9c4 the functional components of the containing the extract can be produced and the yield of the extraction method, the extraction and the improvement of the economic,the use of the food industry and to contribute to the expansion, can increase the farmers income, the regional economic activities and contribute to the industry, the effect will be very large.본 발명은 기존 추출방법에 비하여, 폴리페놀 및 플라보노이드의 함량이 증가된 대나무 추출물 제조방법, 구체적으로 생대나무를 건조한 후, 분쇄하여 분말화하여 대나무 분말을 제조하는 단계 상기 대나무 분말에 70% 에탄올 수용액을 첨가하고 80?의 조건에서 용매추출한 후, 감압여과하여 침전물 및 추출액을 분리하고, 추출액을 수득하여 에탄올 수용액 추출액을 제조하는 추출액 제조단계 상기 추출액 제조단계에