Quantity of K, Ca, Na, Mg, Fe, Cu, Pb, Zn and ashes in DOC Tacoronte-Acentejo (Canary islands, Spain) musts and wines

被引:19
作者
Hernandez, GG
delaTorre, AH
Leon, JJA
机构
[1] UNIV LA LAGUNA, DEPT OBSTET GYNAECOL PAEDIAT PREVENT MED & PUBL H, SANTA CRUZ DE TENERIFE, SPAIN
[2] UNIV LA LAGUNA, DEPT ANALYT CHEM NUTR TOXICOL & FOOD SCI, E-38071 SANTA CRUZ DE TENERIFE, SPAIN
来源
ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG | 1996年 / 203卷 / 06期
关键词
ash; metal; must; wine; AAS;
D O I
10.1007/BF01193156
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
This study determines ash, K, Ca, Na, Mg, Fe, Cu, Pb, and Zn content in musts and wines of the DOC Tacoronte-Acentejo (Tenerife, Canary Islands) from two consecutive harvests. Samples were treated with HNO3 and H2O2. Na and K were determined by flame photometry and the remaining metals by air/acetilene flame atomic absorption spectrophotometry. Significant differences were observed in Na, Ca and Mg contents between both harvests, possibly due to climate conditions.
引用
收藏
页码:517 / 521
页数:5
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