strain D2-1 exhibited activities against Staphylococcus aureus ATCC 25923, Bacillus subtilis ATCC 6633, Escherichia coli ATCC 25922, Pseudomonas aeruginosa ATCC 27853, Candida albicans ATCC 27853 while strain D2-2 exhibited activities against both Gram-positive and Gram-negative bacteria but not Candida albicans ATCC 10231.