PURPOSE: A production method of fermented soybean paste is provided to disperse and decompose an anti-cancer component of mushrooms in the fermented soybean paste without damaging nutrients of the mushrooms or the propagation of various bacteria. CONSTITUTION: Fermented soybean blocks are produced. The fermented soybean blocks are firstly aged in salt water. Solid parts are separated from the aged mixture, and secondly aged. The salt water contains beta-glucan which is extracted from a cultivated mushroom mycelium. The mushroom mycelium is a mycelium of Sparassis crispa which is cultivated in a medium containing rice, wheat, barley, brown rice, oat, millet, corn, or their mixture. The Sparassis crispa mycelium is cultivated at 20-26°；C, in the CO2 concentration of 2,000-2,500 ppm, and in the pH of 4-6. The Sparassis crispa mycelium is pulverized into 2,000-3,000 meshes, and soaked into a mixed solution of water and ethanol to extract the beta-glucan. [Reference numerals] (AA) Producing soybean blocks； (BB) Culturing mushroom mycelium, and extracting beta-glucan； (CC) Producing salt water containing the beta-glucan； (DD) Firstly aging； (EE) Secondly aging본 발명은 베타글루칸을 함유하는 된장 및 그 제조방법에 관한 것이다. 본 발명에 따른 된장 제조방법은, 메주제조단계, 메주를 소금물에 담가 1차 숙성하는 단계, 된장이 되는 고형물을 걸러 2차 숙성하는 단계로 이루어지는 된장제조방법으로서, 상기 소금물은 배양된 버섯 균사체에서 추출한 베타글루칸을 함유하는 것을 특징으로 한다.본 발명에 따르면, 배양된 버섯 균사체로부터 항암유효성분인 베타글루칸을 추출하여 된장에 첨가함으로써 소량의 섭취만으로도 강력한 항암효과를 발휘할 수 있는 기능성 된장을 제조할 수 있다.
