TY - JOUR T1 - Determination of Biochemical Properties and Nutrient Element Contents in Cultivated Allium Species [Allium schoenoprasum L., Allium vineale L. and Allium scorodoprasum L. subsp. rotundum (L.) Stearn] TT - Determination of Biochemical Properties and Nutrient Element Contents in Cultivated Allium Species [Allium schoenoprasum L., Allium vineale L. and Allium scorodoprasum L. subsp. rotundum (L.) Stearn] AU - Şelem, Ezelhan AU - Nohutçu, Lütfi AU - Tunçtürk, Murat AU - Tunçtürk, Rüveyde PY - 2026 DA - March Y2 - 2026 DO - 10.19159/tutad.1778607 JF - Türkiye Tarımsal Araştırmalar Dergisi JO - TÜTAD PB - Siirt Üniversitesi WT - DergiPark SN - 2148-2306 SP - 18 EP - 25 VL - 13 IS - 1 LA - en AB - This study aimed to comparatively determine the biochemical characteristics, Dualex indices, and macro-micro nutrient element contents of three Allium species naturally distributed in Türkiye and cultivated under ex situ conditions. The plant material consisted of Allium schoenoprasum L., Allium scorodoprasum subsp. rotundum (L.) Stearn, and Allium vineale L., grown in the Medicinal and Aromatic Plants Garden of Van Yüzüncü Yıl University (Van, Türkiye). During the vegetation period, leaf samples were collected and analyzed for total phenolic content, total flavonoid content, total antioxidant activity, total ash, total dry matter, Dualex indices [nitrogen balance index (NBI), chlorophyll, flavonoid, and anthocyanin], and macro-micro nutrient elements using standard biochemical and instrumental methods. The results indicated that total ash ranged between 7.04-13.93% and total dry matter between 31.22-33.25%. Total flavonoid content varied from 16.66 to 17.60 mg QE 100 g⁻¹, total phenolic content from 169.44 to 181.52 mg GAE g⁻¹, and total antioxidant activity from 75.90 to 91.68 µmol TE g⁻¹. Dualex measurements showed NBI values between 24.20-125.40 dx, chlorophyll 25.67-33.90 dx, flavonoid 0.27-1.69 dx, and anthocyanin 0.05-0.09 dx. When evaluated within each Allium species, it was determined that the concentrations of potassium, calcium, magnesium, zinc, and copper metals were higher in Allium scorodoprasum subsp. rotundum compared to the concentrations of other species. In biochemical content analyses, it was found that Allium vineale L. species had higher values. Overall, the findings demonstrate significant interspecific variation in nutritional and phytochemical traits, suggesting that A. vineale may be prioritized for phytochemical utilization and A. scorodoprasum subsp. rotundum for mineral nutrition studies and breeding programs. KW - Antioxidant KW - geophyt KW - dualex index KW - onion KW - Van N2 - This study aimed to comparatively determine the biochemical characteristics, Dualex indices, and macro-micro nutrient element contents of three Allium species naturally distributed in Türkiye and cultivated under ex situ conditions. The plant material consisted of Allium schoenoprasum L., Allium scorodoprasum subsp. rotundum (L.) Stearn, and Allium vineale L., grown in the Medicinal and Aromatic Plants Garden of Van Yüzüncü Yıl University (Van, Türkiye). During the vegetation period, leaf samples were collected and analyzed for total phenolic content, total flavonoid content, total antioxidant activity, total ash, total dry matter, Dualex indices [nitrogen balance index (NBI), chlorophyll, flavonoid, and anthocyanin], and macro-micro nutrient elements using standard biochemical and instrumental methods. The results indicated that total ash ranged between 7.04-13.93% and total dry matter between 31.22-33.25%. Total flavonoid content varied from 16.66 to 17.60 mg QE 100 g⁻¹, total phenolic content from 169.44 to 181.52 mg GAE g⁻¹, and total antioxidant activity from 75.90 to 91.68 µmol TE g⁻¹. Dualex measurements showed NBI values between 24.20-125.40 dx, chlorophyll 25.67-33.90 dx, flavonoid 0.27-1.69 dx, and anthocyanin 0.05-0.09 dx. When evaluated within each Allium species, it was determined that the concentrations of potassium, calcium, magnesium, zinc, and copper metals were higher in Allium scorodoprasum subsp. rotundum compared to the concentrations of other species. In biochemical content analyses, it was found that Allium vineale L. species had higher values. Overall, the findings demonstrate significant interspecific variation in nutritional and phytochemical traits, suggesting that A. vineale may be prioritized for phytochemical utilization and A. scorodoprasum subsp. rotundum for mineral nutrition studies and breeding programs. CR - Abiola, T.T., Amoo, I.A., Ayoade, G.W., 2017. 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UR - https://doi.org/10.19159/tutad.1778607 L1 - https://dergipark.org.tr/tr/download/article-file/5216538 ER -