Complex sentence: A recent study published in the "Journal of Agriculture and Food Chemistry" found that purple grape juice was among the highest in antioxidants among the juices tested also high in antioxidant compounds was cloudy apple juice, cranberry juice and pomegranate juice.
Split into simpler sentences: A recent study published in the "Journal of Agriculture and Food Chemistry" found that purple grape juice was among the highest in antioxidants among the juices tested. Also high in antioxidant compounds were cloudy apple juice, cranberry juice, and pomegranate juice.