Changes

==P==

*'''Pajottenland:''' Sometimes written in English as ''Payottenland'', this extremely fertile agricultural region of Belgium is situated in a valley to the south-west of Brussels between the rivers Senne and Dendre and is cradle of lambic production.

*'''Pediococcus:''' A genus of gram-positive lactic acid bacteria. Can produce diacetyl in both Lambic and other foodstuffs, such as Chardonnay

*'''[http://en.wikipedia.org/wiki/PH pH]:''' The negative logarithm of hydrogen ion concentration. A measure of acidity, where lower is more acidic