As shown in Table 1 , the L* values of sweet corn showed a decreasing trend from day 21 onwards for different freezing treatments due to the darkening of the color caused by browning.
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Effects of Different Freezing Methods on Physicochemical Properties of Sweet Corn during Storage.
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The sentences
The hardness of all sweet corn samples showed a trend of decreasing and then increasing during storage, which may be due to the freezing process reducing syneresis and reducing the hardness of the corn by reducing the size of the ice cells [ 21 ].