Raw walnuts are sold as halves, chopped pieces, and ground/meal. Halves are typically labeled "Ready to Use," while chopped and ground forms are commonly labeled as an "Ingredient."
Store shelled walnuts in an airtight container in a cool, low-humidity place away from heat and light. Refrigerating shelled walnuts can keep them fresh up to six months; freezing can extend freshness up to twelve months.
Ground walnut meal is described as free from additives and preservatives and is marketed for long-term pantry storage when kept in airtight containers.
Shelled raw walnuts will keep up to six months in the refrigerator and up to twelve months in the freezer.
Country of origin varies by product: some packages list the United States, while others state "Varies, Please See Label."
Descriptions highlight omega-3s, protein, fiber and antioxidants, plus vitamin E and minerals such as magnesium, calcium, copper, manganese, phosphorus and iron. Other mentions include the amino acid I-arginine, polyphenols and melatonin.
Halves are commonly listed as "Ready to Use," while chopped and ground forms are typically labeled as an "Ingredient."
