1. Use water to distill the Dark Brown Pigment in the differently dried walnut epicarp. We have tested the stability of the dark brown pigment.
以水为萃取剂,提取不同方法干燥的核桃外果皮中棕褐色色素,并对其稳定性进行了测试。

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2. 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 .
将同一采样点的样品分别晒干、晾干、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。

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3. 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 .
将同一采样点的样品分别晒干、晾干、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。

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