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Suillus species, in general, are edible mushrooms, and environmentallyimportant that are associated mostly with pine trees in the tropics regions.These fungi considered a remarkable source of phenolic compounds that play acrucial role as antioxidants which may reduce the risk of most human chronicdiseases such as cancer, diabetes, asthma, atherosclerosis, Alzheimer, andothers. On the other hand, carotenoids (\b{eta} carotene) are the most popularnatural pigments which play an important role to protect the plants fromphoto-oxidative reactions. In human, these compounds prevent oxidative stressand expects to have antimicrobial activity. Here, the phenolic compounds wereextracted with Ethyl acetate from fruiting bodies of Suillus sp and analyzed byHPLC, the antioxidant activity (reducing power%) of phenolic compounds wasdetermined at the concentrations of 1, 2.5, and 5 mg/mL. Antimicrobial activityof \b{eta} carotene pigment was measured at a concentration of 100 mg/mLagainst some human pathogenic bacteria such as Escherichia coli, Pseudomonasaeruginosa, Klebsiella pneumonia, and Staphylococcus aureus. The specific DNAregion ITS was amplified and sequenced using ITS1 and ITS4 primers with somebioinformatics analyses. The phenolic extract isolated from fruiting bodies ofSuillus sp showed a remarkable antioxidant activity by increasing the reducingpower percent (from F+3 ions to F+2 ions) comparing with the industrialantioxidant (Propyl gallate) at all used concentrations. Percent of reducingpower of phenolic compounds were 75.5, 84.9 and 95.7% at concentrations of 1,2.5, and 5 mg/mL respectively; comparing with PG were 65.9, 81.3, and 93.3 at1, 2.5, and 5 mg/mL respectively. The \b{eta} carotene pigment revealed asignificant antimicrobial activity at a concentration of 100 mg/mL against K.pneumonia, E. coli, and S. aureus.

karbala international journal of modern science

Molecular Identifification, Antioxidant Effifficacy of Phenolic  Compounds, and Antimicrobial Activity of Beta-Carotene Isolated from Fruiting  Bodies of Suillus sp