Comparison of Biochemical and Color parameters in Fresh Flower Stalks of Wild Rhubarb (Rheum ribes L.) from Diverse Locations

Öz

This study aimed to evaluate the biochemical and color parameters of fresh flower stalks of Rheum ribes L. collected from four distinct locations in Eastern Anatolia, Türkiye. Significant variation was observed among genotypes in terms of organic acids, sugars, ascorbic acid, antioxidant capacity, and color traits. Succinic acid was the predominant organic acid, peaking in Bahçesaray (14718.47 μg g⁻¹ FW). Erçek accessions had the highest levels of fructose (1346.72 μg g⁻¹ FW), glucose (970.88 μg g⁻¹ FW), and total antioxidant capacity (73.97 μmol TE g⁻¹ FW). Muradiye samples contained the highest ascorbic acid (63.71 μg g⁻¹ FW), while Mount Erek showed maximum oxalic acid and chroma values. Color measurements also indicated greater vividness in Mount Erek and Muradiye accessions. Principal Component Analysis (PCA) explained 76.46% of the total variance in the first two components, effectively separating genotypes based on trait profiles. Cluster analysis confirmed these differences, grouping accessions by location with 100% bootstrap support. These results demonstrate the considerable biochemical and visual diversity of R. ribes populations across different environments, supporting their potential in food and nutraceutical applications.

Anahtar Kelimeler

• Biochemical
• Color parameters
• Rheum ribes L.
• Wild rhubarb

Destekleyen Kurum

Van Yuzuncu Yil University Scientific Research Projects (BAP) Coordination Unit

Proje Numarası

2015-ZF-B081

Farklı Lokasyonlardan Toplanan Yabani Ravent (Rheum ribes L.) Bitkisinin Taze Çiçek Saplarında Biyokimyasal ve Renk Parametrelerinin Karşılaştırılması

Öz

Bu çalışma, Türkiye'nin Doğu Anadolu bölgesindeki dört farklı lokasyondan toplanan Rheum ribes L. bitkisinin taze çiçek saplarının biyokimyasal ve renk parametrelerini değerlendirmeyi amaçlamıştır. Genotipler arasında organik asitler, şekerler, askorbik asit, antioksidan kapasitesi ve renk özellikleri açısından önemli farklılıklar gözlemlenmiştir. Süksinik asit, Bahçesaray'da en yüksek değere (14718,47 μg g⁻¹ FW) ulaşarak baskın organik asit olmuştur. Erçek örnekleri en yüksek fruktoz (1346,72 μg g⁻¹ FW), glikoz (970,88 μg g⁻¹ FW) ve toplam antioksidan kapasitesine (73,97 μmol TE g⁻¹ FW) sahip olmuştur. Muradiye örnekleri en yüksek askorbik asit (63,71 μg g⁻¹ FW) içerirken, Erek Dağı en yüksek oksalik asit ve kroma değerlerini göstermiştir. Renk ölçümleri ayrıca Erek Dağı ve Muradiye örneklerinde daha yüksek canlılık olduğunu gösterdi. Temel Bileşen Analizi (PCA), ilk iki bileşendeki toplam varyansın %76,46'sını açıklayarak, genotipleri özellik profillerine göre etkili bir şekilde ayırdı. Kümeleme analizi bu farklılıkları doğrulayarak, örnekleri %100 bootstrap desteğiyle konuma göre gruplandırdı. Bu sonuçlar, R. ribes popülasyonlarının farklı ortamlardaki önemli biyokimyasal ve görsel çeşitliliğini göstererek, gıda ve nutrasötik uygulamalarındaki potansiyellerini desteklemektedir.

Anahtar Kelimeler

• Biyokimyasal
• Renk parametreleri,
• Rheum ribes L.
• Yabani ravent

Proje Numarası

2015-ZF-B081

Kaynakça

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