Improvement of antioxidant activity and polyphenol content of Hypericum perforatum and Achillea millefolium powders using successive grinding and sieving
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- 作者：Loï ; c Beckera ; 1 ; loic.becker@univ-lorraine.fr" class="auth_mail" title="E-mail the corresponding author ; Ali Zaitera ; 1 ; Jeremy Petitb ; David Zimmerb ; Marie-Cé ; leste Karamb ; Elie Baudelairec ; Joë ; l Scherb ; Amadou Dickoa
- 关键词：Plant powders ; Granulometry ; Polyphenols ; Antioxidant activity ; LC-ESI/MS
- 刊名：Industrial Crops & Products
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：87
- 期：Complete
- 页码：116-123
- 全文大小：949 K
文摘
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Polyphenol-rich fine powders were produced from H. perforatum and A. millefolium aerial parts.
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The impact of plant grinding and sieving on antioxidant activity and polyphenol content was studied.
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Antioxidant activity and polyphenols contents are related to particle size.
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Optimal fractions were of intermediate size, between 100 and 315 μm.
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