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Stability of Carotenoid Diets During Feed Processing and Under Different Storage Conditions
Department of Aquaculture, Faculty of Fisheries, Kasetsart University, Bangkok 10900, Thailand
Department of Fisheries, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
* Author to whom correspondence should be addressed.
Received: 7 February 2012; in revised form: 4 May 2012 / Accepted: 8 May 2012 / Published: 11 May 2012
(This article belongs to the Special Issue Carotenoids
Abstract: The stability of formulated carotenoid diets during feed processing and under different storage conditions were studied. All carotenoid diets were split into two groups with one group containing BHT (acting as an antioxidant) at 250 ppm and the other without BHT. The experiment was divided into two parts. First, all diets were evaluated in total carotenoid (TC) loss during feed processing, in dry mixed feeds after being processed and dried. In the final part, the completed dietary carotenoids were stored in an aluminum foil bag, the top of which was sealed with a bag sealer and kept under different storage conditions at 26–28 °C and 4 °C. The stability of the TC was observed during an 8-week trial period. The results showed that the diet pelleting process did not affect the carotenoid content of the diets, and the best storage temperature for the formulated carotenoid diet was at 4 °C. However, an antioxidant was added to assist in energy saving before feed processing. Thus, the addition of BHT at 250 ppm can be done at normal room temperature in order to reduce oxidation that might cause a loss of TC quantities in diets.
Keywords: carotenoid; stability; feed processing; storage
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MDPI and ACS Style
Jintasataporn, O.; Yuangsoi, B. Stability of Carotenoid Diets During Feed Processing and Under Different Storage Conditions. Molecules 2012, 17, 5651-5660.
Jintasataporn O, Yuangsoi B. Stability of Carotenoid Diets During Feed Processing and Under Different Storage Conditions. Molecules. 2012; 17(5):5651-5660.
Jintasataporn, Orapint; Yuangsoi, Bundit. 2012. "Stability of Carotenoid Diets During Feed Processing and Under Different Storage Conditions." Molecules 17, no. 5: 5651-5660.