The development of an optimal mushroom promotion system based on the bio-electric potential using the LED light

最近，蘑菇作为一种健康食品引起了人们的广泛关注，因为它们含有木质素和β-葡聚糖等功能成分，以及丰富的膳食纤维。因此，需求的增加使蘑菇种植非常受欢迎。然而，耕作条件一直是以农民的实地经验为基础的，科学研究滞后。我们之前已经利用测量的子实体生物电势，并根据对蘑菇种植者的采访，研究了影响生长促进的最佳栽培条件，生产出了Maitake、Eringi和Nameko蘑菇。前人的研究结果表明，在连续的光刺激下，诱导生物电势，促进子实体的生长。此外，间歇光照比连续光刺激能更有效地促进植物生长。因此我们得出结论，生物电势的变化与生长密切相关。我们还发现，即使在连续光照下，生物电势中也存在自发的周期节律。此外，在光刺激30min条件下，毛竹子实体显著生长的实验结果基础上，对15min和30min光照条件下的形态发生进行了比较研究。在前人研究的基础上，我们提出了一种新的光照控制系统，着重于生物电势的自发节律，以帮助提高栽培蘑菇的产量。在这个系统中，我们使用了弥菇作为生物传感器，以监测生物电势，并研究了一种与生物电势的生物节律同步的光照控制的养殖技术。

Mushrooms have recently attracted much attention as a healthy food, since they contain functional constituents, such as lignin and β-glucan, and abundance of dietary fiber. Thus increased demand makes mushroom farming very popular. However, the farming conditions have been based on the farmers' on-site experience and scientific studies lag behind. We have previously investigated the optimum farming conditions that effect growth promotion, using the measured bioelectric potential of the fruit body and based on interviews with mushroom farmers, producing mushrooms such as Maitake, Eringi, and Nameko mushrooms. The results of previous study revealed that, with continuous photo stimuli, which induce bioelectric potentials, the growth of the fruit body enhanced. Furthermore, intermittent illumination can promote the growth more effectively than continuous photo stimuli. Thus we concluded that changes in bioelectric potential and growth are closely related. We have also found that a spontaneous periodicity rhythm exists in the bioelectric potential, even under continuous illumination. In addition, based on the experimental results that the fruit body of Maitake significantly grows under the light stimuli for 30 minutes, we conducted a comparison study of morphogenesis between 15-minute and 30-minute illumination. The results showed that the pileus develops with a 15-minute illuminationBased on the previous studies, in this report we suggest a new illumination control system, focusing on the spontaneous rhythm of bio-electric potential, in order to help increase the yield of farmed mushroom. In this system, we have used Maitake mushroom as a biosensor, in order to monitor bio-electric potential and investigate a fanning technique, employing illumination control, synchronized with the biorhythm of bioelectric potential.