Oxalic acid content of healthy and infected citrus fruits in Nigeria

✍ Scribed by Ikotun, T. ;Faboya, O. ;Umoh, S. O.

• Publisher: John Wiley and Sons
• Year: 1988
• Tongue: English
• Weight: 380 KB
• Volume: 32
• Category: Article
• ISSN: 0027-769X
• DOI: 10.1002/food.19880320407

✦ Synopsis

Oxalic acid content of healthy and .infected citrus fruits in Nigeria

T. IKOTUN, 0. FABOYA and S. 0. UMOH Theoxalicacid content ofthe freshjuiceofsome healthycitrusfruitsinNigeriaisverylow (0.012",,). Whereas in the juice of fruits infected with Aspergillus acultvmis. oxalic-acid content increased to 0.028 %, the oxalic-acid content of the juice infected with A. ramariiwas lower (0.008 Yo) than in healthy fruits. However. the oxalic-acid content of citrus-fruit pulp was much higher than in the juice and was much higher in the infected (0.68 %) than in the pulps of healthy citrus fruits (0.1 1 y;,). The oxalic-acid content of fruits pulps infected with A . aculeorus was consistently the highest. The oxalic-acid content of the rind of healthy fruits (O.lO:o) was low (though higher than in the juice) but in the infected fruits, the oxalic-acid content of the rind was much higher, being highest again in those infected with A . ucu/eu/rrs (0.6Su/,). The effects of oxalic acid on man. animals, plants and some of its uses in medicine and industry are discussed.