Stability testing and compare of the Hydroextracting the Dark Brown Pigment from Walnut epicarp of dry in the sun and by the airing and retting.

• 摘要将同一采样点的样品分别晒乾、晾乾、沤干后，以水为萃取剂，提取棕褐色色素，并对其稳定性进行了测试与比较。