No abstract

Mushroom samples were collected in 2017 and 2018 from the Batak mountain by the authors themselves. The aim of this study was to determine phospholipids composition of species wild edible mushrooms (Suillus luteus) grown in the Batak mountain, Bulgaria. Phosphatidic acids were the main components in lipids from Suillus luteus (34.2 %). The content of the other phospholipids in the oils from Suillus luteus was from 8.4 to 19.6%. Phosphatidylcholine was identified in Suillus luteus (19.6 %). Based on the results, can be concluded that the examined species of mushrooms is a potential source of phospholipids and can be used as a functional food or as food additives in many products.

The aim of this study was to perform analysis by flame and graphite furnace AAS the content of Pb, Cd, Ni, Cr, Mn, Co, Cu, Zn and Fe in wild edible mushrooms Suillus luteus. The samples were collected from the Batak Mountain. All metals concentrations were determined on a dry weight basis. The average content of studied elements: Pb, Cd, Ni, Cr, Mn, Co, Cu, Zn and Fe in Suillus luteus samples were: 0.66 mg kg -1 , 0.52 mg kg -1 , 0.55 mg kg -1 , 0.51 mg kg -1 , 11.33 mg kg -1 , 0.98 mg kg -1 , 19.28 mg kg -1 , 51.67 mg kg -1 , and 114.41 mg kg -1 . 264 ReagentsAll reagents were of analytical reagent grade unless otherwise stated. Double deionized water (Milli-Q Millipore 18.2 MΩ cm resistivity) was used for all dilutions. HNO 3 , H 2 SO 4 , H 2 O 2 , HF, HClO 4 and HCl were of supra pure quality (E. Merck). All the plastic and glassware was cleaned by soaking in dilute HNO 3 (1+9) and rinsed with distilled water prior to use. The element standard solutions used for calibration were prepared by diluting a stock solution of 1000 mg l -1 (Pb, Cd, Co, Cr, Mn, and Ni) supplied by Sigma and (Cu, Zn, Fe) by Aldrich.

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