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Bioactive profile of borno brown Vigna unguiculata grains as influenced by pre-harvest synthetic chemicals

Food Bioscience 2022年第1期45卷 223-231页

作者： temitope omolayo fasuan Nneka Nkechi Uchegbu Titilope Modupe Olagunju Oyenike Olubunmi Falola Department of Animal Health and Production Technology Federal College of Animal Health and Production TechnologyIbadanNigeria Department of Food Science and Technology University of NigeriaNsukkaNigeria Department of Agricultural and Environmental Engineering Obafemi Awolowo UniversityIle-IfeNigeria

This study investigated the impact of pre-harvest synthetic chemical treatments on the post-harvest bioactive contents,pasting,colour,and thermal properties of borno brown V.unguiculata(L.)Walp grains.Seeds of borno brown V.unguiculata(L.)Walp was planted on an already ploughed,harrowed and ridged plot of land with a portion cultivated as organic and another non-organic.After 90 days,mature grains were harvested and analyzed using standard procedures.Results showed that a total of 44.33 g bioactive compounds/100g grain was present in the organic borno brown V.unguiculata grains whereas,20.56 g bioactive compounds/100g grain was present in the non-organic(control).The identified bioactive compounds in the organic grains included[heneicosane(4.50g/100g grain)];[12-Methyl-E,E-2,13-octadecadien-1-ol(4.09/100g grain)];[3-(2-Hydroxy-6-methylphenyl)-4(3H)-quinazolinone(7.40 g/100g grain)];[Methaqualone(9.08 g/100g grain)].The non-organic contained[heneicosane(4.07g/100g grain)];[3-(2-Hydroxy-6-methylphenyl)-4(3H)-quinazolinone(5.09 g/100g grain)];[Methaqualone(10.61 g/100g grain)].Flavonoids,alkaloids,total phenolic,2,2-diphenyl-1-picryl-hydrazl(DPPH)and ferric ion reducing antioxidant power(FRAP)contents of the organic grains were 19 mgRE/100g,3.40 mg/100g,1550 mgGAE/100g,2840μmolTEAC/100g,and 20.08 mmol Fe^(2+)/100g,respectively.The non-organic grains had flavonoids(11.31 mgRE/100g),alkaloids(1.86 mg/100g),total phenolic(1110 mgGAE/100g),DPPH(1779μmolTEAC/100g)and FRAP(12.24 mmol Fe^(2+)/100g).The peak viscosity of 111.52 RVU,final viscosity(141.25 RVU)and pasting temperature(82.01℃)were obtained for the organic grains while non-organic had peak viscosity of 93.10RVU,final viscosity(95.20 RVU)and pasting temperature(80.10℃).The colour parameters L^(*),a^(*),b^(*)and ΔE were 73.10,0.68,14.47 and 12.98 for the organic and 84.25,0.30,21.10,and 0.00,respectively for non-organic grains.The thermal property showed enthalpy(ΔH)and peak temperature(T_(p))of 3.12 J/g and 78.25℃ for organic,and 2.14 J/g and 76.28℃ for non-organ

关键词： Borno brown Vigna unguiculata grains Organic Bioactive compounds Phenolic compound profile Antioxidant activities Pasting property

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Symbiotic and adverse interplay of hypogeal germination periods on brownrice (Oryza sativa): nutrient and nonnutrient characteristics

Food Production, Processing and Nutrition

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Food Production, Processing and Nutrition 2021年第1期3卷 431-449页

作者： Judith Uchenna Chima temitope omolayo fasuan Department of Food Technology Akanu Ibiam Federal PolytechnicUnwanaAbakalikiEbonyiNigeria Department of Animal Health and Production Technology Federal College of Animal Health and Production TechnologyIbadanNigeria

This study investigated the symbiotic and adverse consequence of hypogeal germination periods on nutrients and non-nutrient characteristics of brown rice(Oryza sativa).Brown rice paddy was subjected to hypogeal germination for 0–72 h using one-factor design-response surface methodology(OFD-RSM)and evaluated for nutrients and non-nutrient characteristics.The results showed that hypogeal germination caused a significant(p<0.05)change in the proximate composition:protein(9.42–12.36%),fat(0.88–1.38%),ash(1.87–2.50%);anti-nutrients:saponin(2.03–2.22%),oxalate(2.44–3.45 mg/100 g),phytate(6.99–8.81 mg/100 g);functional properties:water absorption capacity,WAC(121.23–147.78%),oil absorption capacity,OAC(121.39–147.26%);antioxidants properties:2,2-diphenyl-1-picrylhydrazyl,DPPH(35.30–43.60%),ferric reducing antioxidant power,FRAP(0.054–0.119 mMolFe^(2+)),metal chelating activity,MCA(44.28–52.99%),total phenolic content,TPC(0.623–0.798 mg gallic acid equipvalent per gram(mgGAE/g)),total flavonoid content,TFC(43.47–50.63 mg rutin equivalent per gram(mgRUTIN/g));and mineral content:calcium(36.0–41.76 mg/100 g),phosphorus(82.53–94.32 mg/100 g),and magnesium(162.70–168.36 mg/100 g).Germination had significant symbiotic effects(linear and quadratic)on the proximate,DPPH,FRAP,MCA,TPC,WAC,OAC,and anti-nutrients.Whereas,adverse effects(linear and quadratic)of germination were noted in total flavonoids and anti-nutrients.Optimum hypogeal germination period of 72.18 h was established and corresponding protein(12.37 g/100 g),fat(1.37 g/100 g),fibre(2.15 g/100 g),moisture(10.07 g/100 g),DPPH(43.66%),FRAP(0.105mMolFe^(2+)),TPC(0.08mgGAE/g),TFC(50.25MgRUTIN/g),WAC(147.99%),OAC(147.29%),Calcium(41.77 mg/100 g),iron(0.207 mg/100 g),zinc(5.89 mg/100 g),phosphorus(94.77 mg/100 g).Phenolic compounds profile of the optimized germinated brown rice showed the presence of gallic acid(2.84 mg/100 g),4-hydroxy benzoic acid(3.41 mg/100 g),caffeic acid(4.63 mg/100 g),vanillic acid(6.19 mg/100 g),catechin(3.88 mg/100 g),chlorogenic acid(1.93 mg/100 g

关键词： Hypogeal germinated brown rice Response surface methodology Proximate Functional properties Antioxidant activity Mineral Anti-nutrient

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Bioactive and nutritional characterization of modeled and optimized consumer-ready flakes from pseudocereal(Amaranthus viridis), high-protein soymeal and modified corn starch

Food Production, Processing and Nutrition

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Food Production, Processing and Nutrition 2021年第1期3卷 136-148页

作者： temitope omolayo fasuan Kenneth Chigozie Asadu Cynthia Chioma Anyiam Linda Obianuju Ojokoh Titilope Modupe Olagunju Judith Uchenna Chima Kingsley Osita Okpara Department of Food Technology Akanu Ibiam Federal PolytechnicUnwanaEbonyiStateNigeria Department of Science Laboratory Science Akanu Ibiam Federal PolytechnicUnwanaEbonyiStateNigeria Department of Agricultural and Environmental Engineering Obafemi Awolowo UniversityIle-IfeNigeria

Flake is consumed in many parts of the world.Flakes are majorly prepared from cereals.However,most flakes are deficient in protein and some other healthful substances.High-protein soymeal is rich in protein,mineral,amino acids,antioxidants,and other healthful substances.Formulating flakes with high-protein soymeal would improve the health status of consumers.This work investigated consumer-ready flake from amaranth,high-protein soymeal,and modified corn starch produced under the optimized condition and characterized with the aim to develop models that would give a healthful consumer-ready flake.Amaranthus viridis,corn,and soybean grains were sorted,wet-cleaned,and dried.Soybean grains were processed into high-protein soymeal,starch was extracted from corn grains while A.viridis grains were processed into flour.Formulated flour mixtures were developed into flakes using three-level factorial categoric factor design of response surface methodology.The flakes were analyzed using standard procedures.Optimal flour mixtures of high-protein soymeal(34.78 g/100 g),amaranth(56.52 g/100 g),and modified corn starch(8.70 g/100 g)were established.Results showed the optimized flakes contained per 100 g:29.05 g protein,6.00 g fat,4.10 g fibre,3.84 g ash,8.96 g moisture,249.74 mg calcium,272.35 mg magnesium,12.08 mg iron,618.42 mg phosphorus,6.41 mg niacin,4.85 mg pyridoxine,0.21 g tannin,1.85 mg phytate,2.96 mg alkaloids,908.24GAE total phenolics and 12.75mgRE flavonoids with good quality characteristics in amino acids.The study illustrated the feasibility of formulating quality consumer-ready flakes from amaranth,high-protein soymeal,and modified corn starch.The production process is scalable and could be employed for both domestic and industrial purposes.

关键词： High-protein soymeal Modified corn starch Amaranth Optimized consumer-ready flakes Modeling Characterization

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