据了解，美国农业部曾于2016年11月25日发布核桃等级标准修订案，拟批准红色核桃上市销售。本次修订有助提升红色核桃在国内外市场销售，并就此征求意见，首轮征求意见截止2017年1月24日。本次征求意见截止2017年4月24日。

 

    部分原文报道如下：

 

    Notice is hereby given that Agricultural Marketing Service （AMS） is reopening the comment period on the proposed rule that invited comments on the revision of the U.S. Standards for Grades of Shelled Walnuts and U.S. Standards for Grades of Walnuts in the Shell published in the Federal Register on November 25, 2016. The comment period for this proposed rule closed on January 24, 2017. The changes are intended to modernize the standards, and meet consumer demands by providing greater marketing flexibility.

 

    原文链接：https://www.federalregister.gov/documents/2017/03/23/2017-04805/us-standards-for-grades-of-shelled-walnuts-and-walnuts-in-the-shell