Here are the top five food company deals:
—The previous biggest food company deal was Mars Inc.'s acquisition of Wrigley in 2008 for $21.9 billion.
—Unilever's purchase of Best Foods in 2000 for $20.2 billion.
—Kraft Food's purchase of Cadbury in 2009 for $19.3 billion.
—Groupe Danone SA's 2007 purchase of baby food maker Royal Numiko for $16.8 billion.