Lawrence Olusegun Ajala (2021) “Chemoprotective Studies of Some Preservatives against Spoilage Microorganisms Associated with Stored Roselle Juice and Their Resultant Effects on the Juice’s pH and Ascorbic Acid”, Current Advances in Chemistry and Biochemistry Vol. 9, pp. 21–29. doi: 10.9734/bpi/cacb/v9/2505E.