sentences:  The fruit is intermediate in size between a lemon and a grapefruit, in diameter with a rounded shape and thick, reddish husk.In mature fruits, the juice obtained by compressing the seeds yields a sour flavor due to low pH (4.4) and high contents of polyphenols, which may cause a red indelible stain on fabrics.Primarily, the pigmentation of pomegranate juice results from the presence of anthocyanins and ellagitannins.