Table 2.

Some of recent reports related to the proteomics applications in field of nutrition

Sample	Target	Methods	Results	Study
Rice	Rice grain development	Label-free quantitative shotgun proteomics	4172 non-redundant protein identification high level accumulation of involving proteins in glycolysis, TCA cycle, lipid metabolism and proteolysis in mature grain compared to grain developing stage	Lee and Koh., 2011 (55)
Rice	Safety and quality assessment of transgenic rice	2DE, MALDI-TOF/TOF-MS/MS	21 proteins were up- or down-regulated as a consequence of environmental influence (WT01 vs. WT02) 20 to 22 protein levels were differentially modulated in transgenic rice seeds in comparison to their non-transgenic counterparts (T01 vs. WT01; T02 vs. WT02)	Wang et al., 2012 (54)
Milk	coagulation properties of bovin milk related to protein isoform, evaluation of PTMs	2DE, MALDI-TOF/MS	High prevalence of B variant of B-CN, K-CN and B-LG proteins in good coagulation milk Poorly coagulation milk associated with the B-CN variant A(2), K-CN variant A or E and B-LG variant A or C	Jensen et al., 2012 (83)
Milk	Comparison of bovine, caprine, buffalo, equine, and camel milk protein profiles	2DE, MALDI-TOF/MS	No B-lactoglobulin protein in camel milk Identification of five isoforms of K-casein protein in camel milk	Hinz et al., 2012 (56)
Milk	Assessment of protein oxidation during milk thermal processing	SDS-PAGE, MALDI-TOF/MS, Western blot	α-lactalbumin displayed enhanced oxidation compared to β-lactoglobulin despite its lower concentration in milk	Meyer et al., 2012 (84)
Milk	Peptide profile of cheese made from different types of milk	2DE, MALDI-TOF/MS, Q-TOF/MS, LC-ES/MS	identification of species-specific peptides the peptide profile of Teleme cheese is typical of other cheese	Pappa et al. 2008 (85)
Yogurt	functional peptides identification in yogurt	Solid-phase extraction, LC-TOF/MS	Significant number of peptides was reported as angiotensin converting enzyme (ACE) inhibitors and nine of them were antihypertensive	Kunda et al.,2012 (86)
Egg	Egg white protein characterization of different egg varieties (organic, omega 3 enriched)	2DE, LC-MS/MS	Levels of 19 protein were different and ovalbumin, cystatin, avidin and albumin precursor were not different among six egg varieties	Wang et al., 2012 (87)
Meat	Meat quality : protein quality markers related to oxidation processes	2DE, LC-MS/MS	five protein groups (alburedoxins, annexins, lipid transporters and enzymes of aerobic respiration), from which a link with lipid oxidation can be established	Sayd et al., 2012 (88)
Meat	Microbial safety of meat: staphylococcus enterotoxin in chicken	LC-MS, isotope labeling	Results showed that proteomics-based methods are effective for detect, confirm and quantify of SEB concentration in food metrices	Bao et al., 2012 (89)
Fish	Fish product safety: Bacterial identification	MALDI-TOF	Compilation of a spectral library including fingerprints and spectral data of the 20 Gram-positive bacterial species with the importance in seafood quality and safety	Böhme et al. 2011 (90)