NutritionInformation

Nutritional information about the recipe.

Property	Expected Type	Description
Properties from Thing
`additionalType`	URL	An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. In RDFa syntax, it is better to use the native RDFa syntax - the 'typeof' attribute - for multiple types. Schema.org tools may have only weaker understanding of extra types, in particular those defined externally.
`description`	Text	A short description of the item.
`image`	URL	URL of an image of the item.
`name`	Text	The name of the item.
`url`	URL	URL of the item.
Properties from NutritionInformation
`calories`	Energy	The number of calories
`carbohydrateContent`	Mass	The number of grams of carbohydrates.
`cholesterolContent`	Mass	The number of milligrams of cholesterol.
`fatContent`	Mass	The number of grams of fat.
`fiberContent`	Mass	The number of grams of fiber.
`proteinContent`	Mass	The number of grams of protein.
`saturatedFatContent`	Mass	The number of grams of saturated fat.
`servingSize`	Text	The serving size, in terms of the number of volume or mass
`sodiumContent`	Mass	The number of milligrams of sodium.
`sugarContent`	Mass	The number of grams of sugar.
`transFatContent`	Mass	The number of grams of trans fat.
`unsaturatedFatContent`	Mass	The number of grams of unsaturated fat.

Schema Draft Version 1.0a

Example 1

Original HTML:

Mom's World Famous Banana Bread
By John Smith, May 8, 2009
<img src="bananabread.jpg" />

This classic banana bread recipe comes from my mom -- the walnuts add a nice
 texture and flavor to the banana bread.

Prep Time: 15 minutes
Cook time: 1 hour
Yield: 1 loaf

Nutrition facts:
240 calories, 9 grams fat

Ingredients:
- 3 or 4 ripe bananas, smashed
- 1 egg
- 3/4 cup of sugar
...

Instructions:
 Preheat the oven to 350 degrees. Mix in the ingredients in a bowl. Add the
 flour last. Pour the mixture into a loaf pan and bake for one hour.

140 comments:
From Janel, May 5 -- thank you, great recipe!
...

With Microdata:

<div itemscope itemtype="http://schema.org/Recipe">
  <span itemprop="name">Mom's World Famous Banana Bread</span>
  By <span itemprop="author">John Smith</span>,
  <meta itemprop="datePublished" content="2009-05-08">May 8, 2009
  <img itemprop="image" src="bananabread.jpg" />

  <span itemprop="description">This classic banana bread recipe comes
  from my mom -- the walnuts add a nice texture and flavor to the banana
  bread.</span>

  Prep Time: <meta itemprop="prepTime" content="PT15M">15 minutes
  Cook time: <meta itemprop="cookTime" content="PT1H">1 hour
  Yield: <span itemprop="recipeYield">1 loaf</span>

  <div itemprop="nutrition"
    itemscope itemtype="http://schema.org/NutritionInformation">
    Nutrition facts:
    <span itemprop="calories">240 calories</span>,
    <span itemprop="fatContent">9 grams fat</span>
  </div>

  Ingredients:
  - <span itemprop="ingredients">3 or 4 ripe bananas, smashed</span>
  - <span itemprop="ingredients">1 egg</span>
  - <span itemprop="ingredients">3/4 cup of sugar</span>
  ...

  Instructions:
  <span itemprop="recipeInstructions">
  Preheat the oven to 350 degrees. Mix in the ingredients in a bowl. Add
  the flour last. Pour the mixture into a loaf pan and bake for one hour.
  </span>

  140 comments:
  <meta itemprop="interactionCount" content="UserComments:140" />
  From Janel, May 5 -- thank you, great recipe!
  ...
</div>