"Jews ear" is another name for 黑木耳 Hei Mu Er, or black wood ear fungus. Hei Mu Er is a strong yin tonic. You can just see the edges of the characters at the top of the picture. See the original page and some unfortunate misunderstandings in the comments section: Wow, You Can Juice Anything - Engrish Funny: Engrish Pictures That Is Your Funny Engrish
