نتایج جستجو برای: fruit juices

تعداد نتایج: 71737  

2012
Liwei Chen Frank B. Hu Edwina Yeung Deirdre K. Tobias Walter C. Willett Cuilin Zhang

OBJECTIVE Examine the association of prepregnancy habitual consumption of fruits and fruit juices and gestational diabetes mellitus (GDM) risk. RESEARCH DESIGN AND METHODS A prospective study among women with at least one singleton pregnancy in the Nurses' Health Study II from 1991 to 2001. RESULTS Among 13,475 women, 860 reported a first diagnosis of GDM. The adjusted relative risks (RRs) ...

2016
Shabnam Mohammadi Parisa Ziarati

The concentration of nitrate and nitrite in fruit juice products varies depending on their origin, storage condition and processing technologies .The objectives of this study were: To determine the concentration of nitrate and nitrite levels in most known fruit juices available commercially in the form of packaged in Tehran market (Iran), by spectrophotometric methods, and to compare these resu...

Journal: :Food chemistry 2017
Jing Guo Yahong Yuan Pei Dou Tianli Yue

Fifty-one kiwifruit juice samples of seven kiwifruit varieties from five regions in China were analyzed to determine their polyphenols contents and to trace fruit varieties and geographical origins by multivariate statistical analysis. Twenty-one polyphenols belonging to four compound classes were determined by ultra-high-performance liquid chromatography coupled with ultra-high-resolution TOF ...

Journal: :Journal of Balkumari College 2022

Analysis of heavy metals was performed in packaged and fresh fruit juices along with powdered drink mixes (Tangs), purchased from different stores Kathmandu Valley, using Flame Atomic Absorption Spectroscopy (FAAS). Selection Fruit Juices Tangs done five fruits, viz., apple, orange, pineapple, pomegranate, mango an attempt to quantify four metals, i.e., Zinc (Zn), Manganese (Mn), Iron (Fe) Lead...

2017
Maria A. Morosanova Elena I. Morosanova

BACKGROUND Ascorbic acid is one of the most important vitamins to monitor in dietary sources (juices and vitamins) and biological liquids. RESULTS Silica and silica-titania xerogels doped with Mo,P-heteropoly compounds (HPC) have been synthesized varying titanium(IV) and HPC content in sol. Their surface area and porosity have been studied with nitrogen adsorption and scanning electron micros...

Journal: :journal of agricultural science and technology 2013
o. chanprasartsuk ch. prakitchaiwattana r. sanguandeekul

the aim of this study was to evaluate the performances of methods such as sequencing of the internal transcribed spacer (its) and 26s (d1/d2) regions of ribosomal dna, rflp analysis of the its region and commercial biochemical test kit for the identification of the yeasts isolated during spontaneous fermentation of fresh crushed pineapple juice. the experiments were conducted in thailand and au...

2017
Dahlia Daher

The purpose of this study is to review the effects of High Hydrostatic Pressure Processing (HPP) on the safety of different fruit derivatives (juices, nectars, jams, purees, pastes . . . ), considering the types established in the European legislation and some other vegetable-based beverages (mainly juices and smoothies). The main inactivation processes and mechanisms on microorganisms are revi...

2012
Lukas Vaclavik Ondrej Lacina André Schreiber Jana Hajslova

Liquid Chromatography coupled to tandem Mass Spectrometry (LC-MS/MS) with an AB SCIEX 4000 Q TRAP system was used for comprehensive fingerprinting of several fruit juices. Metabolomic data processing tools were used for authentication, i.e. classification of juices and adulteration detection. The developed statistical model was able to reliably detect 25% of orange juice adulteration with apple...

2004

Contamination with 2-ethylhexanoic acid (2-EHA) was found during studies by Würzburg University in 28 out of 35 samples of baby food and fruit juices for infants . The contamination stemmed from the lids of jars and bottles in which the foods and fruit juices had been packed. Salts of 2-ethylhexanoic acid are used as stabilisers during the production of sealing compounds in order to render the ...

2014
Lisa Jahns Collin R Payne Leah D Whigham LuAnn K Johnson Angela J Scheett Bonita S Hoverson Sibylle Kranz

BACKGROUND The nutritional content of Americans' shopping carts is suboptimal despite federal dietary guidance, in this case, the MyPlate consumer icon which displays desired proportions of vegetables, fruits, dairy, grains and protein foods for consumption. Consumers mention print advertising-such as weekly sales circulars-frequently as influencing their grocery shopping decisions. METHODS T...

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