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    The essential mineral concentration of Torba yoghurts and their wheys compared with yoghurt made with cows', ewes' and goats' milks
    (Taylor & Francis Ltd, 2009) Guler, Zehra; Sanal, Hasan
    Comparative studies on yoghurts made from cows', ewes' and goats' milks with respect to mineral concentrations are limited and warrant further investigation. The objective of this study was to analyse the gross chemical composition as well as the concentration of essential minerals in concentrated (torba) yoghurts made from cows', ewes' and goats' milk compared with those in regular yoghurts and wheys. The elements were determined by simultaneous inductively coupled plasma optical emission spectrometry. Ewe torba yoghurt was significantly higher in calcium, sodium, phosphorus, magnesium, selenium, zinc, cobalt, copper and iron concentrations compared with goat and cow torba yoghurts. It is recommended that torba yoghurts made from different types of milk may be considered an important source of phosphorus, calcium, magnesium, selenium and zinc over the regular yoghurts and wheys. Whey samples are also an excellent source of lactose as well as sodium and potassium.
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    Profiles of non-essential trace elements in ewe and goat milk and their yoghurt, torba yoghurt and whey
    (Taylor & Francis Ltd, 2011) Sanal, Hasan; Guler, Zehra; Park, Young W.
    The objectives of this study were to determine the profiles of non-essential trace elements in ewes' and goats' milk and manufactured products, such as yoghurt, torba yoghurt and whey, as well as changes in trace element content during Torba yoghurt-making processes. Concentrations of non-essential trace elements in ewe (Awassi) and goat (Damascus) milk and their yoghurt, torba yoghurt and whey were quantitatively determined by simultaneous inductively coupled plasma optical emission spectrometer (ICP-OES), after microwave digestion. Aluminium, antimony, arsenic, boron, beryllium, cadmium, nickel, lead, silver, titanium, thallium and vanadium were determined for both types of milk and their products. Barium was not detected in goats' milk or their products. Among all trace elements, boron was the most abundant and beryllium was least present in milk and the manufactured products. The results showed that goats' and ewes' milk and their manufactured products may be a source of 13 non-essential trace elements.