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Abstract ▼ AI-Helper

Cereals were used as solid-substrate for the cultivation of Ganoderma lucidum. The hydration time with cold water appeared to be 10, 11 and 12 hours for Malt, Danyeob and Black soybeans respectively, and the water content was enough for mycelial growth in this condition. The hydration times required...

Cereals were used as solid-substrate for the cultivation of Ganoderma lucidum. The hydration time with cold water appeared to be 10, 11 and 12 hours for Malt, Danyeob and Black soybeans respectively, and the water content was enough for mycelial growth in this condition. The hydration times required for sorghum, job's tears, barley, brown rice and wheat were 2.5, 4, 5, 10 and 12 hours respectively, but the final water content was much less than optimum water content (65%). Hot water reduced the hydration time of soybeans, and the water content reached to 65% within $120{\sim}150$mins. This condition showed the optimum for the mycelial growth. For the other cereals, it took about $17{\sim}120$ mins to reach the optimum water content (65%). From this result, hot water was better than cold water for the hydration of cereals. We attempted to develop a practically applicable process by combining the soaking and sterilization. This process was successful with soybean and about 1.1 times of water based on the weight of soybean appeared to be suitable. In all varieties of cereal, the water content of 65% appeared to be the best for the growth of the fungi and production of glucosamine related to the amount of mycelium. The mycelial growth rate in accordance with kinds of solid-state materials was in the order of barley > wheat > job's tears > sorghum > brown rice > soybean. The glucosamine content for determing the mycelial growth in solid material was in the order of wheat> barley > brown rice > job's tears > sorghum > soybean.

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