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<http://webisa.webdatacommons.org/213324190>	<http://www.w3.org/ns/prov#value>	"Vitamin C is a powerful antioxidant that plays an important role in immune function and is essential for collagen production." .
<http://webisa.webdatacommons.org/prov/507805139>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/213324190> .
<http://webisa.webdatacommons.org/213324190>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<vitacost.com> .