21. "What a pickle, " he said, his lips pursed with sourness . 22. In short, more sourness ahead. 23. Two good starts this weeks could do much to alleviate the sourness from earlier this season. 24. Our ability to detect sourness in foods is highly refined, as well as slightly mysterious. 25. MINUSES : Below the bracingly nasty humor, the movie has a deeper sourness of tone. 26. Wine or vinegar is also a prominent ingredient, to lend a sourness to the recipe. 27. Sourness was created in the Labour movement by suggestions of'Reds under the bed '.28. Vinegar is added for its sourness , and diners may specify how much vinegar is used. 29. Fruit are about the size of grapes and taste like cucumbers with a tinge of sourness . 30. Saltiness and sourness are perceived when alkali metal or hydrogen ions enter taste buds, respectively.
