ผลของการใช้กากกาแฟเป็นอาหารเสริมสำหรับการเพาะเห็ดเป๋าฮื้อญี่ปุ่น

Waraporn Kaewkhon; Nikhom Naksupan

Authors

Waraporn Kaewkhon Biology Program, Faculty of Education, Chiang Rai Rajabhat University, Mueang, Chiang Rai 57100, Thailand.
Nikhom Naksupan Division of Microbiology and Parasitology, School of Medical Science, University of Phayao, Mueang, Phayao 56000, Thailand.

Keywords:

Mushroom cultivation, Spent coffee grounds, Abalone mushroom, Mycelial growth

Abstract

In Chiang Rai province, the number of coffee shops is increasing, resulting in a greater amount of spent coffee grounds (SCGs) each year. SCGs are a by-product generated by the coffee shop, and their waste has caused increasing environmental problems. Nowadays, there is a growing trend toward reusing SCGs. This study investigates the influence of SCGs as a supplementary substrate for abalone mushroom (Pleurotus cystidiosus) cultivation. The experiment was divided into (1) a control group of 100% sawdust and (2) treatment group with sawdust supplemented with SCGs in different ratios: 0.25% v/v, 0.50% v/v, 1.0% v/v and 2.5% v/v. The results showed that adding SCGs at ratios of 0.25 to 2.5% v/v increased mycelia growth. The highest growth rate was observed with 0.25% v/v and 0.5% v/v SCGs supplementation, compared to the control group (p<0.05). Furthermore, sawdust substrate supplemented with 0.25 to 2.5% v/v SCGs produced a higher yield of abalone mushrooms compared to the control group (p<0.05). These findings indicate that using 0.25% and 0.5% v/v as a supplementary substrate can effectively promote mycelial growth, fruiting body size and yield of abalone mushrooms.

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