Abstract
Mushrooms which is mostly belong to the phylum Basidiomycota have been recognized as functional foods and a source for the nutraceuticals. Genus Mycena is one of mushrooms, which has been investigated for its secondary metabolites. Mycena pelianthina produces pelianthinarubins A, pelianthinarubins B, muscarin, and epimuscarin from alkaloid group. The purposes of this research were to determine the effects of composition of medium and incubation time on production of mycelial biomass of M. pelianthina in liquid medium and to know the group of secondary metabolite compounds produced. This research was done experimentally using a Factorial Completely Randomized Design consisted of 12 treatments and three replications. The first factor was medium type, which were Mushroom Complete Medium (MCM), Potato Dextrose Yeast Broth (PDYB), and Yeast Malt Extract Medium (YM). The second factor was the incubation time consisting of 15, 20, 25, and 30 days. The observed main parameters were the dry weight of mycelial biomass and the secondary metabolite groups. The dried weights of mycelia were analyzed using analysis of variance (ANOVA), continued with Duncan test at a 95% confidence level. The best growth of M. pelianthina mycelium was produced on PDYB medium at incubation time of 20 days with an average mycelial dry weight of 0.92 g/100 mL. M. pelianthina contained secondary metabolite compound groups of alkaloids, terpenoids, and flavonoids.
Highlights
The potential of mushrooms as a functional food and as a source of nutraceutical has been widely studied and developed in several countries
The growth of M. pelianthina mushroom on Mushroom Complete Medium (MCM) and Yeast Malt Extract Medium (YM) media continued to increase until 30 days of incubation
The growth of M. pelianthina mushroom on Potato Dextrose Yeast Broth (PDYB) medium increased until 20 days and decreased during 25 and 30 days (Figure 3)
Summary
The potential of mushrooms as a functional food and as a source of nutraceutical has been widely studied and developed in several countries. Mushrooms are considered to produce various types of bioactive metabolites. These bioactive metabolites can be either primary metabolites or secondary metabolites (Ekowati et al, 2016). Various kinds of bioactive compounds have been isolated and identified, including those from the groups of polysaccharides, proteins, phenols, vitamin B, tocopherols, organic acids and terpenoids (Khatua et al, 2013). Several species belong to this genus have been studied for their bioactivity and the structures of metabolite compounds have been identified. Research on bioactive compounds produced by M. pelianthina has not been widely carried out
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