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Separations, Volume 5, Issue 2

2018 June - 13 articles

Cover Story: This work proved that the olive species shows a high variability in terms of content of volatile compounds in virgin olive oil, which is responsible for its characteristic aroma. In this sense, the multivariate analysis allows the identification of olive cultivars which are particularly interesting due to their volatile composition that can be used both to identify old olive cultivars that give rise to oils with a high organoleptic quality, and in parent selection for olive breeding programs. View the paper here.
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Articles (13)

  • Article
  • Open Access
26 Citations
6,162 Views
8 Pages

Optimization and Application of a GC-MS Method for the Determination of Endocrine Disruptor Compounds in Natural Water

  • José Gustavo Ronderos-Lara,
  • Hugo Saldarriaga-Noreña,
  • Mario Alfonso Murillo-Tovar and
  • Josefina Vergara-Sánchez

Bisphenol A (BPA), 4-nonylphenol (4NP), estradiol (E2), and ethinylestradiol (EE2) are considered as endocrine disruptors or mutagens. These compounds are commonly called endocrine disrupter chemicals (EDCs). BPA and 4NP are widely used as plastic ad...

  • Article
  • Open Access
10 Citations
5,055 Views
17 Pages

Non-Destructive X-ray Spectrometric and Chromatographic Analysis of Metal Containers and Their Contents, from Ancient Macedonia

  • Christos S. Katsifas,
  • Despina Ignatiadou,
  • Anastasia Zacharopoulou,
  • Nikolaos Kantiranis,
  • Ioannis Karapanagiotis and
  • George A. Zachariadis

This work describes a holistic archaeometric approach to ancient Macedonian specimens. In the region of the ancient city Lete, the deceased members of a rich and important family were interred in a cluster of seven tombs (4th century BC). Among the n...

  • Review
  • Open Access
50 Citations
11,295 Views
26 Pages

Antibiotics are a common practice in veterinary medicine, mainly for therapeutic purposes. Sectors of application include livestock farming, aquacultures, and bee-keeping, where bacterial infections are frequent and can be economically damaging. Howe...

  • Article
  • Open Access
7 Citations
4,875 Views
17 Pages

A methodology for making consistent studies of outliers of non-climacteric melon volatile organic compounds at harvest is reported. The juice was squeezed from the fruit of the ‘Piel de sapo’ cultivar harvested during two consecutive seas...

  • Article
  • Open Access
4 Citations
3,295 Views
10 Pages

Influence of a Pulsed Electric Field on Charge Generation in a Flowing Protein Solution

  • Yuri D. Ivanov,
  • Andrey F. Kozlov,
  • Rafael A. Galiullin,
  • Vadim Yu. Tatur,
  • Vadim S. Ziborov,
  • Sergey A. Usanov and
  • Tatyana O. Pleshakova

It is known that a charge is generated in water and protein solutions upon their motion; this phenomenon is also observed in analytical systems for atomic force microscopy (AFM)-based fishing. At that, the efficiency of protein fishing correlates wit...

  • Article
  • Open Access
14 Citations
7,002 Views
10 Pages

Momilactones A and B: Optimization of Yields from Isolation and Purification

  • Truong Ngoc Minh,
  • Tran Dang Xuan,
  • Ateeque Ahmad,
  • Abdelnaser Abdelghany Elzaawely,
  • Rolf Teschke and
  • Truong Mai Van

Momilactones A and B (MA and MB, respectively) are phytoalexins and plant growth inhibitors available in rice husks. However, to date, the isolation and purification of the two compounds have been complicated, laborious, and less effective. The prese...

  • Article
  • Open Access
4,062 Views
9 Pages

In this paper, a strategy for structured monitoring of surface modifications to control protein adsorption to membrane structures is presented. The already established on-surface enzymatic digestion (oSED) method combined with nano-liquid chromatogra...

  • Article
  • Open Access
8 Citations
5,054 Views
18 Pages

Experimental Investigation of the Productivity of a Wet Separation Process of Traditional and Bio-Plastics

  • Monica Moroni,
  • Emanuela Lupo,
  • Valerio Della Pelle,
  • Alessandra Pomponi and
  • Floriana La Marca

The separation process within a mechanical recycling plant plays a major role in the context of the production of high-quality secondary raw materials and the reduction of extensive waste disposal in landfills. Traditional plants for plastic separati...

  • Article
  • Open Access
45 Citations
9,244 Views
16 Pages

Silk fibroin nanoparticles were prepared in the present study based on phase separation between silk fibroin and polyvinyl alcohol. The drug encapsulation efficiency of the prepared nanoparticles was examined at a range of concentrations from 10 ppm...

  • Article
  • Open Access
9 Citations
5,476 Views
11 Pages

Natural Variation of Volatile Compounds in Virgin Olive Oil Analyzed by HS-SPME/GC-MS-FID

  • Carlos Sanz,
  • Angjelina Belaj,
  • Araceli Sánchez-Ortiz and
  • Ana G. Pérez

Virgin olive oil is unique among plant oils for its high levels of oleic acid, and the presence of a wide range of minor components, which are responsible for both its health-promoting properties and characteristic aroma, and only produced when olive...

  • Feature Paper
  • Article
  • Open Access
16 Citations
4,947 Views
12 Pages

Assessment, Validation and Application to Real Samples of an RP-HPLC Method for the Determination of Guayulins A, B, C and D in Guayule Shrub

  • Nadia Spano,
  • Paola Meloni,
  • Ilenia Idda,
  • Alberto Mariani,
  • Maria Itria Pilo,
  • Valeria Marina Nurchi,
  • Joanna Izabela Lachowicz,
  • Ernesto Rivera,
  • Ancelmo Orona-Espino and
  • Gavino Sanna

Guayule (Parthenium argentatum Gray) is a shrub native to the arid regions of Mexico. In the last decades, significant attention to its cultivation has arisen because it is the raw material for the production of hypoallergenic natural rubber. Guayule...

  • Article
  • Open Access
4 Citations
4,821 Views
10 Pages

This study used the results of breakthrough experiments to elucidate the mechanism of cesium adsorption on carbonized rice hull and beech sawdust. The shape of the breakthrough curves and the substance eluted from the carbonized rice hull and beech s...

  • Feature Paper
  • Article
  • Open Access
34 Citations
9,584 Views
12 Pages

Supercritical CO2 Extracts and Volatile Oil of Basil (Ocimum basilicum L.) Comparison with Conventional Methods

  • José Coelho,
  • Jerson Veiga,
  • Amin Karmali,
  • Marisa Nicolai,
  • Catarina Pinto Reis,
  • Beatriz Nobre and
  • António Palavra

Interest in new products from aromatic plants as medical and nutritional compounds is increasing. The aim of this work was to apply different extraction methods, including the use of supercritical carbon dioxide extraction, and to test the antioxidan...

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Separations - ISSN 2297-8739