Determination of Macro, Micro Element and Heavy Metal Contents of Astragalus Taxa Collected from Nature

Year 2023, Volume: 20 Issue: 2, 334 - 342, 22.05.2023

Erdal Çaçan , Ömer Kılıç , Kağan Kökten

https://doi.org/10.33462/jotaf.1095631

Abstract

The aim of the research is to determine the macro (Ca, Mg, P and K), micro (Fe, Mn, Cu, Zn and Be) element and heavy metal (Al, Cr, Ni, Se and Cd) contents of some Astragalus taxa collected from nature. Nine Astragalus taxa (Astragalus gummifer, A. compactus, A. lineatus var. longidens, A. aureus, A. onobrychis, A. declinatus, A. lineatus var. lineatus, A. oocephalus subsp. stachyophorus, A. inereus) collected from the natural areas of Bingöl province were used as the plant material of the research. Astragalus taxa were collected from the central villages of Bingöl province in June 2018, during the flowering period of the plants. Macro, micro element and heavy metal contents of the collected and dried plant samples were determined with the help of NIRS (Near Infrared Spectroscopy) and ICP-MS (Inductively Coupled Plasma - Mass Spectometry) devices. As a result of the analysis, the average Ca content of Astragalus taxa was determined as % 1.63, Mg content % 0.36, P content % 0.27, K content % 1.49, Fe content 2436 mg kg-1, Mn content 153.7 mg kg-1, Cu content 84.5 mg kg-1, Zn content 14.08 mg kg-1, Be content 0.10 mg kg-1, Al content 2535 mg kg-1, Cr content 7.67 mg kg-1, Ni content 9.99 mg kg-1 and Se content 2.19 mg kg-1. In general, the highest Ca, Mg, Fe, Mn, Al, Cr and Ni contents were determined in A. declinatus, the highest P and K contents were determined in A. oocephalus subsp. stachyophorus, the highest Cu content was determined in A. cinearus, the highest Zn content was determined in A. lineatus var. longidens, the highest content Be was determined in A. gummifer and the highest Se content was determined in A. compactus. Cd content could not be detected in any Astragalus taxa. As a result of the study, it was concluded that Astragalus taxa, which are abundant in the natural flora of our country, can be used as a source of roughage in animal nutrition and can meet the macro and micro element needs of animals.

Keywords

Astragalus sp, Macro elements, Micro elements, Minerals, Heavy metals

Determination of Macro, Micro Element and Heavy Metal Contents of Astragalus Taxa Collected from Nature

Abstract

Bu çalışma doğal alanlardan toplanan bazı Astragalus taksonlarının makro (Ca, Mg, P ve K), mikro (Fe, Mn, Cu, Zn ve Be) ve ağır metal (Al, Cr, Ni, Se ve Cd) içeriklerinin belirlenmesi amacıyla yürütülmüştür. Bingöl ili doğal alanlarından toplanan dokuz adet Astragalus taksonu (Astragalus gummifer, A. compactus, A. lineatus var. longidens, A. aureus, A. onobrychis, A. declinatus, A. lineatus var. lineatus, A. oocephalus subsp. stachyophorus, A. inereus) araştırmanın bitkisel materyali olarak kullanılmıştır. Astragalus taksonları 2018 yılının haziran ayında, bitkilerin çiçeklenme döneminde Bingöl ilinin merkez köylerinden toplanmıştır. Toplanıp kurutulan bitki örneklerinin makro, mikro element ve ağır metal içerikleri NIRS (Near Infrared Spectroscopy) ve ICP-MS (Inductively Coupled Plasma - Mass Spectometry) cihazları yardımıyla belirlenmiştir. Analizler sonucunda Astragalus taksonlarının ortalama Ca içeriği % 1.63, Mg içeriği % 0.36, P içeriği % 0.27, K içeriği % 1.49, Fe içeriği 2436 mg kg-1, Mn içeriği 153.7 mg kg-1, Cu içeriği 84.5 mg kg-1, Zn içeriği 14.08 mg kg-1, Be içeriği 0.10 mg kg-1, Al içeriği 2535 mg kg-1, Cr içeriği 7.67 mg kg-1, N içeriği 9.99 mg kg-1 ve Se içeriği 2.19 mg kg-1 olarak belirlenmiştir. Genel olarak en yüksek Ca, Mg, Fe, Mn, Al, Cr ve Ni içerikleri A. declinatus, en yüksek P ve K içerikleri A. oocephalus subsp. stachyophorus, en yüksek Cu içeriği A. cinearus, en yüksek Zn içeriği A. lineatus var. longidens, en yüksek Be içeriği A. gummifer ve en yüksek Se içeriği de A. compactus taksonunda tespit edilmiştir. Astragalus taksonlarında Cd içeriği tespit edilmemiştir. Çalışma sonucunda, Ülkemiz doğal florasında bol miktarda bulunan Astragalus taksonlarının hayvan beslemede kaba yem kaynağı olarak kullanılabileceği ve hayvanların makro ve mikro element ihtiyacını karşılayabileceği sonucuna varılmıştır.

Keywords

Astragalus sp., Makro elementler, Mikro elementler, Mineraller, Ağır metaller

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