The following link provides information on how to parse the recipe information from google:
http://www.google.com/support/webmasters/bin/answer.py?answer=173379
The following are the properties used to create a recipe:
The following is an example of a recipe save in RDF format:
<div xmlns:v="http://rdf.data-vocabulary.org/#" typeof="v:Recipe">
<h1 property="v:name">Grandma's Holiday Apple Pie</h1>
<img src="apple-pie.jpg" rel="v:photo"/>
By <span property="v:author">Carol Smith</span>
Published: <span property="v:published" content="2009-11-05">November 5, 2009</span>
<span property="v:summary">This is my grandmother's apple pie recipe. I like to add a dash of nutmeg.</span>
<span rel="v:Review">
<span typeof="v:Review-aggregate">
<span rel="v:rating">
<span typeof="v:Rating">
<span property="v:average">4.0</span> stars based on
<span property="v:count">35</span> reviews
</span>
</span>
</span>
</span>
Prep time: <span property="v:prepTime" content="PT30M">30 min</span>
Cook time: <span property="v:cookTime" content="PT1H">1 hour</span>
Total time: <span property="v:totalTime" content="PT1H30M">1 hour 30 min</span>
Yield: <span property="v:yield">1 9" pie (8 servings)</span>
<span rel="v:nutrition">
<span typeof="v:Nutrition">
Serving size: <span property="v:servingSize">1 medium slice</span>
Calories per serving: <span property="v:calories">250</span>
Fat per serving: <span property="v:fat">12g</span>
</span>
</span>
Ingredients:
<span rel="v:ingredient">
<span typeof="v:Ingredient">
Thinly-sliced <span property="v:name">apples</span>:
<span property="v:amount">6 cups</span>
</span>
</span>
<span rel="v:ingredient">
<span typeof="v:Ingredient">
<span property="v:name">White sugar</span>:
<span property="v:amount">3/4 cup</span>
</span>
</span>
...
Directions:
<div property="v:instructions">
1. Cut and peel apples
2. Mix sugar and cinnamon. Use additional sugar for tart apples.
...
</div>
</div>
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