04.01.08
The U.S. Patent and Trademark Office has granted Natreon, New Brunswick, NJ, two additional patents for its Withania somnifera extract. U.S. Patent 7,250,181 B2 addresses the use of Withania somnifera with Natreon’s patented and highly purified Shilajit and Mangifera indica for use as an anti-viral and/or immune-supporting agent. U.S. Patent 7,318,938 B2 relates to a highly purified extract of Withania somnifera with advantageous levels of withanolide glycosides and oligosaccharides, a minimum of polysaccharides, and substantially low levels of free withaferin A and equivalents (withanolide aglycones). This composition provides cognition-enhancing effects for the user. Claims in the patent refer to its use to reduce stress, improve memory, and support better immune status in humans.