Tess Begg's Green Vitality Juice

1/2 pineapple, skin and core removed, chopped

1 green apple, cut into wedges

2 lebanese cucumbers, sliced lengthways

1 handful spinach

3-4 celery stalks, cut into 1-2cm pieces

1 inch ginger knob

1 lemon, peeled and cut in half

1 handful parsley