lemonade

last night i drank a lot of lemonade.

i have often wonder why they have seperated out the 'keep me in the fridge' and 'once open'.

My main theory as to why this might have been done is that the sentance works both ways...

Once open..keep me in the fridge

and

keep me in the fridge..Once open

However the Capital 'O' of Once would suggest that the former is preferred.