Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Pistachio Nuts Salted Bulk 5 lbs
Product description: World Famous Salted Pistachio nuts! Great healthy snack.This wonderful 5 pound bulk box Comes direct from our growers farm. KOSHER Parve!, Pistachio Nuts, Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Product price: $48.49
Product brand: 21st century snack foods
Target attributes: Sodium Content
Answer: attribute: sodium content
value: None
source: None