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Influence of sodium tripolyphosphate and citric acid on the shelf life of thornback ray (Raja clavata L.)
Vyncke, W. (1978). Influence of sodium tripolyphosphate and citric acid on the shelf life of thornback ray (Raja clavata L.). Z. Lebensm.-Unters.-Forsch. 166(5): 284-286. dx.doi.org/10.1007/BF01127654
In: Zeitschrift für Lebensmittel-Untersuchung und -Forschung. Springer-Verlag: Heidelberg; Berlin. ISSN 1431-4630, more
Peer reviewed article  

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Keywords
    Raja clavata Linnaeus, 1758 [WoRMS]; Marine

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Abstract
    Sodium tripolyphosphate dips (5 min in 12% solution) extended shelf life of thornback ray wings by about 2 days, improved the appearance and eliminated weight losses. With citric acid dips (5 min in 0.5% solution) a 3 day extension of storage life was obtained but the treatment had a slight bleaching effect and caused weight losses of about 5 %. Both compounds were effective in retarding the breakdown of urea with formation of ammonia in thornback ray.

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