Evidence map›Paper›PMID 32880955›Full record

ArticleJournal of the science of food and agriculture2021

Identification of the volatile profiles of 22 traditional and newly bred maize varieties and their porridges by PTR-QiTOF-MS and HS-SPME GC-MS.

Onu Ekpa, Vincenzo Fogliano, Anita Linnemann

Open access · hybridAbstract readEvaluation Study
In one paragraph

Article in Journal of the science of food and agriculture, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
0.9field-weighted citation impact, top 26% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed, 1 synthesis or guideline pooled it, 17 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Onu EkpaFood Quality and Design Group, Department of Agrotechnology and Food Sciences, Wageningen University and Research Centre, Wageningen, The Netherlands.ORCID https://orcid.org/0000-0001-7633-1541
Vincenzo FoglianoFood Quality and Design Group, Department of Agrotechnology and Food Sciences, Wageningen University and Research Centre, Wageningen, The Netherlands.ORCID https://orcid.org/0000-0001-8786-9355
Anita LinnemannFood Quality and Design Group, Department of Agrotechnology and Food Sciences, Wageningen University and Research Centre, Wageningen, The Netherlands.ORCID https://orcid.org/0000-0003-3201-3343
Wageningen University & Research · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundLow adoption of maize varieties bred to address the nutritional needs of the growing African population limits their impact. Aroma is essential in consumer preference, but has hitherto hardly been studied. We analysed the volatile organic compounds of flours and porridges of 22 maize varieties belonging to four nutritionally distinct groups, namely provitamin A maize, quality protein maize, yellow and white maize.

resultsProton-transfer-reaction quadrupole ion time-of-flight mass spectrometry (PTR-QiTOF-MS) analysis generated 524 mass peaks ranging from 16.007 to 448.089 m/z. Principal component analysis separated the varieties belonging to the four groups. With headspace solid-phase microextraction gas chromatography-mass spectrometry (HS-SPME GC-MS), 48 volatile compounds were identified in maize flour and 21 in maize porridge, including hexane, nonane, pentanoic acid, 1-octen-3-ol, 1-hexanol, hexanal, nonanal, 2-pentylfuran and 2-heptanone. Volatile compounds such as 1,2,4-trimethyl benzene, associated with thermal degradation of carotenoids, increased in the porridge of yellow and provitamin A maize.

conclusionThe results indicate that PTR-QiTOF-MS and HS-SPME GC-MS combined with multivariate analysis are instrumental to study the volatile aroma compounds of different maize varieties.

Indexed as

CookingFlourGas Chromatography-Mass SpectrometryMass SpectrometryOdorantsPlant BreedingPrincipal Component AnalysisSeedsSolid Phase MicroextractionVolatile Organic CompoundsZea maysVolatile Organic CompoundsAfricaGC-MSmaizeporridgePTR-MSvolatile aroma compounds

Identifiers

PMID32880955
PMCPMC7891407
OpenAlexW3081884756

What OpenQuestion holds

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LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.