Badania zawartosci skladnikow mineralnych w kawie i jej naparach

• Autorzy: Oledzka R. , Sedrowicz L.
• Języki publikacji: PL

Abstrakty

PL

Oznaczono zawartość wapnia, magnezu, żelaza, miedzi, cynku i manganu w zmielonych ziarnach kawy i jej naparach. Określono wpływ sposobu zaparzania i stopień ekstrakcji składników mineralnych do naparu. Oceniono udział kawy jako ich źródła w całodziennej diecie.

EN

The contents of Ca, Mg, Fe, Mn, Cu and Zn in 7 sorts of coffee beans being in market and in coffee after percolation were investigated. The level of elements was determinated by AAS method. It was found that the concentration of minerals in coffee beans depended on the sort of coffee. The ranges of elements were following: Ca 775,3-959,0 µg/g; Mg 1845,5-2014,0 µg/g; Fe 6,9-97,1 µg/g; Mn 12,79-28,89 µg/g; Cu 10,30-16,76 µg/g; Zn 4,47-6,33 µg/g. It was found that the kind of percolation ("Turkish method" and in expresso) used to prepare coffee affected the leaching yield of the minerals to coffee. High leaching yield for Ca and Mg and low for Cu and Fe to Turkish coffee was noted. Coffee from expresso has the higher levels of Cu, Fe and Mg than Turkish coffee. It was not found the differences in Zn and Mn concentrations between Turkish coffee and coffee from expresso. Coffee is a limited source of all invesigated minerals. Two cups of coffee supply 3% of Mg; 0,4% of Ca; 0,1% of Fe; 0,3% of Cu; 2% of Mn and 0,1 of Zn of daily recommended intake.

Słowa kluczowe

PL

napar kawowy; mangan; uzywki; zelazo; wapn; kawa; cynk; dieta; magnez; oznaczanie; skladniki mineralne; miedz

EN

coffee brew; manganese; stimulant; iron; calcium; coffee; zinc; diet; magnesium; determination; mineral component; copper

• Wydawca: -
• Czasopismo: Bromatologia i Chemia Toksykologiczna
• Rocznik: 1999
• Tom: 32
• Numer: 4
• Opis fizyczny: s.397-402,tab.,bibliogr.

Twórcy

autor

Oledzka R.

• Akademia Medyczna, 02-123 Warszawa, ul.Banacha 1

autor

Sedrowicz L.