The more refined the source the faster it enters your bloodstream. That said, You should eat the fruit rather than consuming a juice.

At any rate the glucose uptake is generally lower with fruits, even if juiced (but whole fruits with fiber still intact are best). The rate at which simple sugars enter the blood is considered one of the primary problems, as this leads to a number of metabolic problems and higher generalized oxidation of body tissue.

Unlike added sugars fruits also have antioxidants and a number of other compounds and nutrients that do a swell job at negating these effects and even providing benefits (i suppose because a lot of fruit has surplus of Anti-Oxidant to Sugar Burn.