The label only states that the oils is naturally expeller extracted from walnuts without all the nasty stuff. The ingredient list is 100% pure pressed refined walnut oil. You could try sending an e-mail to Spectrum if you are interested in more info. It's a terrific addition to my lime & herb salad dressing.
NancyO
From: mark wilson
Subject: Re: Olive Oil
Which type of walnut do they use to make the oil?
From what I remember only the black walnut is high in
omega 3's.
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