单词	polyunsaturates
释义	polyunsaturates /ˌpɒlɪʌnˈsatʃʊreɪts / plural noun Polyunsaturated fats or fatty acids: choose a low-fat spread high in polyunsaturates... What's more, hydrogenated fats - the only ones some children eat - take the place of healthy polyunsaturates, such as omega-3 fatty acids, needed for brain development. Biscuits, buns, cakes and pastries, puddings, and ice cream could be taxed if they raised cholesterol concentrations but exempt if the ratio of polyunsaturates to saturates were more favourable. This ‘iodine number’ or ‘iodine value’ runs from 0 for total saturation to nearly 200 in the edible oils highest in polyunsaturates.
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