Assertion: citric acid's production | /r/HasProperty | cultured on parkia biglobosa fruit pulp
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Source sentences:
text: The production of citric acid by Aspergillus niger cultured on Parkia biglobosa fruit pulp showed that the highest yield (1.15 g/L) of citric acid was obtained at pH 2 and it declined as the pH increased from being acidic to alkaline (pH 8) with the yield of (0.86 g/L).