Total Protein Methods and Their Potential Utility to Reduce the Risk of Food Protein Adulteration

Moore, Jeffrey C.; DeVries, Jonathan W; Lipp, Markus; Griffiths, James C.; Abernethy, Darrell R.

doi:10.1111/j.1541-4337.2010.00114.x

Cited by 175 publications

(137 citation statements)

References 191 publications

(381 reference statements)

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“…Broken grain QTL in these regions has also been mapped in cultivated germplasm (Septiningsih et al, 2003). The main advantages of the Kjeldahl method for food protein analysis are its high level of precision, its compatibility with nearly all food matrices, its wide recognition in the food analytical and regulatory communities, and its options for automation (Moore et al, 2010). Protein, an important factor affecting the eating quality of rice, was considerably high (>7%) for all variants (Table 2).…”

Section: Discussionmentioning

confidence: 99%

Identification of introgressed alien chromosome segments associated with grain quality in Oryza rufipogon x MR219 advanced breeding lines using SSR markers

Fasahat

Muhammad

Abdullah³

et al. 2012

Genet. Mol. Res.

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ABSTRACT. A limited backcross procedure was utilized to introgress genes associated with grain quality traits from Oryza rufipogon (Accession No. IRGC 105491), a wild rice from Malaysia, to the cultivated rice O. sativa cv. MR219, a popular high yielding Malaysian rice cultivar. A set of 10 BC 2 F 7 progenies were selected based on the field performance and phenotypic appearance in BC 2 F 5 and BC 2 F 6 generations, which initially started with 266 progenies in the BC 2 F 2 generation. These 10 advanced breeding lines are similar to each other but differ in several important grain quality traits, which can be traced to O. rufipogon introgressions. Phenotyping and genotyping of BC 2 F 7 variants were considered for QTL analysis. The introgressed lines did not show any significant changes compared to the recurrent parent MR219 for the traits grain density and milled rice percentage. All 10 progenies showed significantly higher head rice percentages (70-88%) than the recurrent parent ©FUNPEC-RP www.funpecrp.com.br Genetics and Molecular Research 11 (3): 3534-3546 (2012) Introgression segments in advanced breeding lines 3535 MR219. Variants G13 and G15 had higher amylose contents than MR219. All variants were analyzed using polymorphic SSR markers. Of the 34 SSR markers, only 18 showed introgression from O. rufipogon for chromosomes 1, 2, 3, 5, 6, 8, 10, and 11. Graphical genotypes were prepared for each variant, and association between the introgression regions and the traits that increased grain quality was visualized. Based on marker trait association, some of the QTLs are stable across environments and genetic backgrounds and could be used universally.

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Section: Discussionmentioning

confidence: 99%

Identification of introgressed alien chromosome segments associated with grain quality in Oryza rufipogon x MR219 advanced breeding lines using SSR markers

Fasahat

Muhammad

Abdullah³

et al. 2012

Genet. Mol. Res.

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“…Moisture was determined by gravimetrically using moisture analyzer (OHAUS MB45, USA) at 105°C, ash amount was performed according to AOAC [25] method using burning in a furnace (Nuve MF 110, Turkey) at 650±25°C. Total protein was determined by nitrogen determination according to Dumas method (combustion) using nitrogen analyzer (NDA 701, Italy) [26,27]. Total oil was performed according to AOAC [28] method using Soxhlet extraction systems (Gerhart Soxtherm Multistat, UK).…”

Section: Methodsmentioning

confidence: 99%

Physical and Chemicial Properties of a Type of Almond Called "Akbadem" Grown in the Aegean Region in Turkey

Nizamlıoğlu¹,

Nas²

2017

International Journal of Secondary Metabolite

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A type of almond, called "Akbadem", grown in the Aegean region in Turkey were evaluated in terms of several physical and chemicial properties of nut and kernel. The average length, width, thickness, arithmetic mean diameter, geometric mean diameter, particle size and surface area of nuts were 39. respectively. "Akbadem" nut shell has a significant impact on the dimensional properties. Dimensional properties were decreased significantly than the almond nut to almonds kernel. The average almond nut shell thickness was determined as 3.35±0.34 mm. Akbadem nut gravimetric properties; thousand seed weight, seed density and bulk density were determined 4950±0.01 g, 1140±0.001 kg/m³ and 375±5.00 kg/m³ respectively. Corresponding values for "Akbadem" kernel were determined 1430±0.08 g, 1080±0.003 kg/m³ ve 485±5.00 kg/m³ respectively. Internal efficiency of Akbadem was determined as 30±0.50%. The "Akbadem" kernel was determined L-value 59.56±1.98, a-value 5.68±0.79 and b-value 16.74±0.54. "Akbadem" kernel shell is quite dark as shown in Hunter color values. Chemical composition of Akbadem kernel; moisture, total oil, total ash, protein, oleic acid, linoleic acid, palmitic acid and palmitholeic acid were 3.57±0.15%, 52.32±1.21%, 3.15±0.01%, 20.57±0.07%, 76.11±1.18%, 17.71±1.14%, 6.14±0.05% and 0.04±0.01%. "Akbadem" is seen that fatty acids and the relatively high amount of protein.

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“…From the result, it was revealed that BHFs could be potential keratinous bio-resource based on their notable CPC%. According to Moore et al, the proximate composition may not give the exact protein content in a fiber [52]. However, the presence of elements such as C, N, O and S (key elements in amino acids) in significant amounts in the BHFs indicates that, with appropriate methods of extraction, substantial amount of useful keratins can be tapped from these fibers.…”

Section: Proximate Compositionmentioning

confidence: 99%

Re-Evaluation of Bovine Fiber Biomass as Exploitable Keratinous Bio-Resource for Biomedical and Industrial Applications

Oladele¹,

Olajide²,

Daramola³

et al. 2017

JMMCE

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In claim of developing ecologically-friendly and low cost polymeric materials, some polymer scientists and engineers have focused on improving the properties of polymer composites with natural fibers. One typical example of these natural fibers currently used as reinforcements in low load-bearing polymer composites is bovine fiber which is traditionally a waste from slaughterhouse. However, nature has designed natural fibers with anisotropic properties which may not augur well for the development of polymer composites with guaranteed field-proven reliability. Nonetheless, unlike vegetal fibers, most animal fibers can be alternatively exploited for keratinous applications. In the present study, the tensile properties, crude protein contents and variations in elemental distribution of hair fibers obtained from three breeds of bovine found in Nigeria were investigated. The hair fibers were characterized by ultimate testing machine, proximate analysis and scanning electron microscopy with energy dispersive X-ray spectroscopy. Superlative Young's modulus and tensile strength among the fibers were found to be 0.98989 GPa and 0.56158 MPa, respectively. The determined crude protein contents of the fibers ranged between 35% and 40%. Also, single hair fibers from each bovine breed showed significant variations in elemental distribution along their longitudinal sections which translates to anisotropic chemical and mechanical properties. However, the mean spectral values of the principal elements that constitute amino acids in the fibers are in the same range with that of human hair fibers with a successful record of keratinous applications.

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Total Protein Methods and Their Potential Utility to Reduce the Risk of Food Protein Adulteration

Cited by 175 publications

References 191 publications

Identification of introgressed alien chromosome segments associated with grain quality in Oryza rufipogon x MR219 advanced breeding lines using SSR markers

Identification of introgressed alien chromosome segments associated with grain quality in Oryza rufipogon x MR219 advanced breeding lines using SSR markers

Physical and Chemicial Properties of a Type of Almond Called "Akbadem" Grown in the Aegean Region in Turkey

Re-Evaluation of Bovine Fiber Biomass as Exploitable Keratinous Bio-Resource for Biomedical and Industrial Applications

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