Chemistry of Natural Compounds

, Volume 54, Issue 3, pp 545–546 | Cite as

A New Dimeric Ionone from the Unripe Fruits of Capsicum annuum var. conoides

  • C. Y. Chen
  • C. L. Kao
  • W. J. Li
  • H. C. Yeh
  • H. T. Li

Red pepper, Capsicum annuum (Solanaceae), is used as a spice all over the world. Red pepper is studied actively because its pungent principal component, capsaicin, has a dietary effect, analgesic activity, and antioxidant activity [1]. The pungent principal component of red peppers is a group of acid amides of vanillylamine and C8 to C13 fatty acids, which are known generally as capsaicin [2]. More than 16 other capsaicinoids have been found as minor components [3]. Numerous studies have been done on the red pepper fruit, but there are few studies on stems [2, 3, 4]. Previously, we isolated 19 compounds, including ten amides, four steroids, and six benzenoids from the stems of this plant [5]. We also isolated 17 compounds, including three chlorophylls, six steroids, one ionone, and seven benzenoids from the unripe fruits of this plant [6]. To further understand the chemotaxonomy and to continue searching for biologically and chemically novel agents from Solanaceous plants, the unripe...



This investigation was supported by a Grant from the Fooyin University.


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Authors and Affiliations

  1. 1.Department of Nutrition and Health SciencesFooyin UniversityKaohsiungTaiwan
  2. 2.Tzu Hui Institute of TechnologyPingtung CountyTaiwan
  3. 3.Department of NursingFooyin UniversityKaohsiungTaiwan
  4. 4.Department of Medical Laboratory Science and BiotechnologyFooyin UniversityKaohsiungTaiwan

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