Table 1 Correlation of pH and cucurbitacin content by dominant microbe from bitter Hawkesbury watermelon extracts stored at room temperature.

Microbe present pH [Cururbitacin E-glycoside] mg/ml similarity index Rhodotorula mucilaginosa 3.8 1.01 0.336 No id Gram -rod 6.9 0.5   Bacillus sp. 7.9 0.013   Bacillus sphaericus 9.8 0.03 0.662 Enterobacter cloacae A 9.7 0.018 0.586 Bacillus brevis 9.6 0 0.662 Stenotrophomonas maltophilia 9.8 0 0.801 No id Gram- rod 9.8 0

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