public void destroyFood(Food item){
		synchronized(lock_food){
			ListIterator<Food> iter = food_list.listIterator();
			Food kill = null;
			while(iter.hasNext()){
				Food temp = iter.next();
				if(temp.equals(item)){
					kill = item;
					break;
				}
			}
			if (kill != null){
				food_list.remove(kill);
			}
		}
	}