Paleo Slow Cooker Pork Loin

½ cup orange juice

1 tablespoon curry powder

1 teaspoon chicken bouillon granules

½ teaspoon ground ginger

¼ teaspoon ground cinnamon

½ teaspoon salt

1 tart apple

peeled and diced

1 small onion

chopped

1 clove garlic

minced

¼ cup raisins

¼ cup flaked coconut

2 pounds boneless pork loin

cut into 1-inch cubes

2 tablespoons cold water

2 tablespoons potato starch