Sedef Hastalığında kullanılan Aloe vera, Smilax excelsa ve Juniperus oxycedrus Bitkilerinin Yaprak Anatomik Özellikleri

Sedef hastalığı-psöriazis (psoriazis), keskin sınırlı, eritemli plak veya papüller üzerinde yerleşmiş parlak, sedefi-beyaz pullarla karakterize, kronik seyirli, bulaşıcı olmayan inflamatuvar bir hastalıktır. Pulların renginden dolayı halk arasında ‘Sedef Hastalığı’ olarak bilinmektedir. Bu çalışmada Türkiye’de halk arasında sedef hastalığında kullanılan bitkilerden üçünün (Juniperus oxycedrus L. (Cupressaceae), Aloe vera (L.) Burm.f. (Xanthorrhoeaceae) ve Smilax excelsa L. (Smilacaceae) yaprak anatomileri incelenmiştir. Sedef hastalığında Juniperus oxycedrus’un dallarından elde edilen Ardıç katranı denilen yağlı madde, Aloe vera bitkisinin yaprağının merkezinde parankima içinde depolanan jeli, Smilax excelsa bitkisinin ise kökleri kullanılmaktadır. Bu üç bitkiye ait yaprak enine kesitleri ve yüzeysel kesitlerinin fotoğrafları sunulmuştur. Stoma indeksleri ilk kez bu çalışmada hesaplanmıştır.

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