A juice extractor is a device that extracts juice from fruits and vegetables, separating it from the solid parts like seeds, skin or pulp. Full definition
Having said this, it doesn't juice leafy greens very well at all, so if this is really essential to you then I'd look at something like the Magimix Le Duo XL Juice Extractor juicer or a masticating juicer. (deliciouslyella.com)
Five Machines in One Vegetable Juice Extractor SAMSON can extract healthy juices from celery, parsley, spinach, wheatgrass, apple, orange, kale, cucumber, ginger, sprouts, and many other leafy... (sproutman.com)
For juicing you could try the Magimix Le Duo XL Juice Extractor juicer and for processing I use the Magimix 5200XL. (deliciouslyella.com)