Brussels sprouts were stored at -18"C, -9°C and -4°C. During this storage, the colour of whole Brussels sprouts and Brussels sprouts slurry, measured as the greenness (Hunter -a value), decreased, probably can be described as a first order decay. The reflection at 680 nm of Brussels sprout slurry measures possibly the constant sum of chlorophyll and pheophytin. This can be a useful indication of the initial colour of the product. Also the ascorbic acid content can be a useful quality index, provided the initial level is known.Although not a very sensitive one, the shear force seems to be the most reliable textural parameter.From microbiological point of view, a storage temperature of -18°C as well as -9"C, is quite acceptable.
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