Abstract:
:Volatiles from aqueous extract of peppermint commercial sachets were investigated through gas chromatography/flame ionization detection (GC/FID) and GC/mass spectrometry (MS). Samples were prepared under similar conditions as in homemade tea. Volatiles were isolated using solid phase extraction method (SPE) with Porapak Q trap followed by desorption with acetone. Estimated mean values for short and medium chain carboxylic acids (C2-C12) and ketones lay in the range of 50-64 microg kg(-1) whilst aliphatic alcohols and acyclic hydrocarbons had values lower than 6 microg kg(-1). The major volatiles were terpenes (275-382 microg kg(-1)) that reached 89 % of the total composition. A total of 16 compounds, among them dodecane, acetoin, acetol, citral, geraniol and octanoic acid have been described by the first time in peppermint tea. These findings could be attributed to the different analytical approach employed, mainly to the use of different extraction/pre-concentration techniques. Given the apparently lower proportion of terpenes in the aqueous extract it may be that the chemical properties of the peppermint essential oil are not entirely reproduced with homemade tea.
journal_name
Arch Latinoam Nutrjournal_title
Archivos latinoamericanos de nutricionauthors
Riachi LG,Abi-Zaid IE,Moreira RF,De Maria CAsubject
Has Abstractpub_date
2012-12-01 00:00:00pages
389-92issue
4eissn
0004-0622issn
2309-5806journal_volume
62pub_type
杂志文章abstract::Bone mineral content was measured in the whole body, the spine (L2-L4) and hip by Dual Photonic Absorpciometry (densitometer Norland 2600 Gd-153), in seventeen celiac patients, aged 6 to 12 years, with good adherence to the gluten free diet. The diagnosed was made before 30 months of age in 50% of cases. Average treat...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1996-06-01 00:00:00
abstract::The objective was to determine the relationship between the mother's nutritional status and the newborn's gestational characteristics. A sample of 149 women with gestational diabetes was controlled in the High Risk Obstetric Unit of the Medical Specialties Public Health Center before delivery in the maternity ward of ...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2012-12-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1993-12-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1999-03-01 00:00:00
abstract::Soluble transferrin receptor (sTfR) is an effective tool for iron deficiency (ID) diagnosis, and unlike serum ferritin (SF) and others indicators, is not affected by acute phase response during inflammatory processes. In order to diagnose ID using sTfR as iron status indicator and to estimate its utility, a cross sect...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2005-09-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1982-09-01 00:00:00
abstract::This descriptive study presents a series of factors that can influence food habits, being the educational level the most important independent variable. The sample included families that had infants (1-2 years) and preschool children (2-6 years). These families belonged to all socio-economic levels, not being well rep...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1977-03-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2000-12-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2004-06-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章,评审
doi:
更新日期:2011-09-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1992-09-01 00:00:00
abstract::Hypervitaminosis A induces the following changes in the rat sublingual gland: smaller size acini with lower cells and smaller nuclei. The serous demilunes show smaller cells and nuclei. The striated ducts show smaller and disorganized cells with smaller nuclei. These data were confirmed by morphometric techniques. ...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1980-06-01 00:00:00
abstract::Magnesium levels in serum, as well as 24-hr urine and 2-hr post-fasting urine levels, were studied in 107 pregnant women, who were later separated into two groups. One group was advised to follow their usual intake, and the other, to supplement the diet with 750 cc of milk. The control group (30 healthy non-pregnant w...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1987-09-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 历史文章,杂志文章
doi:
更新日期:1991-06-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1993-09-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1991-09-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2009-06-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2009-06-01 00:00:00
abstract::Delphi method to identify education material on healthy food for teachers, school-age children and their parents. Delphi method applied to get expert consensus about healthy food topics to include in educational materials for preschool and school-age children, their parents and teachers is described. The questionnaire...
journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2012-09-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2011-03-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1990-09-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1983-09-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章,评审
doi:
更新日期:2004-06-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1994-03-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1993-06-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1985-06-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:2004-12-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1994-06-01 00:00:00
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journal_title:Archivos latinoamericanos de nutricion
pub_type: 杂志文章
doi:
更新日期:1988-12-01 00:00:00