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[PMID]:28287049
[Au] Autor:Carrasco-Del Amor AM; Aguayo E; Collado-González J; Guy A; Galano JM; Durand T; Gil-Izquierdo Á
[Ad] Endereço:a Postharvest and Refrigeration Group , Universidad Politécnica de Cartagena (UPCT) , Cartagena , Spain.
[Ti] Título:Impact of processing conditions on the phytoprostanes profile of three types of nut kernels.
[So] Source:Free Radic Res;51(2):141-147, 2017 Feb.
[Is] ISSN:1029-2470
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The goal of this work was the identification and quantification of phytoprostanes (PhytoPs) in three types of nuts: "Walnut", "Macadamia", and "Pecan". This study represents a first approach to the relationship between the quantitative and qualitative PhytoP profiles in the "Macadamia" and "Pecan" nuts subjected to fried salt or fried honey processing. The kernels were found to contain 9-F -PhytoP, 9-epi-9-F -PhytoP, 16-B -PhytoP, ent-16-B -PhytoP, 9-L -PhytoP, and ent-9-L -PhytoP. "Macadamia" fried salt nuts were the only ones that produced 9-epi-9-D -PhytoP and 9-D -PhytoP. The total PhytoP concentration in raw nuts was in the range of 5541-7830 ng kg fresh weight (FW); for most of the PhytoPs, the concentrations were lowest in raw walnuts, indicating that concentration of each PhytoP was influenced by the genotype. The frying process increased the total PhytoPs concentration to the range of 8903-33,727 ng kg FW. Therefore, this is the first work describing PhytoPs in nuts and reinforces the capacity of these compounds to act as biomarkers to monitor the processing treatments that influence the final quality of nuts.
[Mh] Termos MeSH primário: Ciclopentanos/análise
Ácidos Graxos Insaturados/análise
Manipulação de Alimentos/métodos
Furanos/análise
Nozes/química
Nozes/metabolismo
[Mh] Termos MeSH secundário: Cromatografia Líquida de Alta Pressão
Culinária
Ciclopentanos/metabolismo
Dieta
Ácidos Graxos Insaturados/metabolismo
Furanos/metabolismo
Seres Humanos
Juglans/química
Juglans/metabolismo
Macadamia/química
Macadamia/metabolismo
Prunus/química
Prunus/metabolismo
Espectrometria de Massas em Tandem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Cyclopentanes); 0 (Fatty Acids, Unsaturated); 0 (Furans); 0 (phytoprostane B1 type I); 0 (phytoprostane D1); 0 (phytoprostane F1)
[Em] Mês de entrada:1703
[Cu] Atualização por classe:170330
[Lr] Data última revisão:
170330
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170314
[St] Status:MEDLINE
[do] DOI:10.1080/10715762.2017.1288909


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[PMID]:28233081
[Au] Autor:Acheampong-Boateng O; Bakare AG; Nkosi DB; Mbatha KR
[Ad] Endereço:Department of Agriculture and Animal Health, University of South Africa, Private Bag X6, Florida, 1710, South Africa.
[Ti] Título:Effects of different dietary inclusion levels of macadamia oil cake on growth performance and carcass characteristics in South African mutton merino lambs.
[So] Source:Trop Anim Health Prod;49(4):733-738, 2017 Apr.
[Is] ISSN:1573-7438
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Growth performance and carcass characteristics of South African mutton merino fed graded levels of macadamia oil cake were assessed. A total of 60 South African mutton merino lambs were used in the experiment (initial live weight 25.0 ± 0.45 kg). Five diets with different inclusion levels of macadamia oil cake (MOC) were formulated: T1 (0% MOC, control), T2 (5% MOC), T3 (10% MOC), T4 (15% MOC) and T5 (20% MOC). Effects of inclusion level of MOC on average daily gain (ADG) and average daily feed intake (ADFI) were not significant (P > 0.05). Effects of inclusion levels of MOC on feed conversion ratio (FCR) of sheep were significant (P < 0.05). Highest proportion (71.2%) of sheep in the study had a carcass fat classification of 2, followed by a proportion of 17.3% sheep with a carcass fat classification of 3 and lastly 11.5% sheep had carcass fat classification of 4. Warm and cold carcass mass, chest circumference, carcass length and dressing percentage were higher in sheep fed on 5% MOC compared to other treatment diets (0, 10, 15 and 20% MOC) (P < 0.05). Fat rib eye had a greater area in sheep fed on 5% MOC (P < 0.05). It was concluded that 5% MOC provided the best results in terms of carcass characteristic measurements in sheep.
[Mh] Termos MeSH primário: Composição Corporal
Dieta/veterinária
Suplementos Nutricionais
Macadamia
Carneiro Doméstico/crescimento & desenvolvimento
[Mh] Termos MeSH secundário: Ração Animal/análise
Animais
Dieta/estatística & dados numéricos
Carne
Ovinos
África do Sul
Ganho de Peso
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1706
[Cu] Atualização por classe:171102
[Lr] Data última revisão:
171102
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170225
[St] Status:MEDLINE
[do] DOI:10.1007/s11250-017-1250-7


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[PMID]:28207311
[Au] Autor:Zhang G; Hu L; Melka D; Wang H; Laasri A; Brown EW; Strain E; Allard M; Bunning VK; Musser SM; Johnson R; Santillana Farakos S; Scott VN; Pouillot R; Doren JM; Hammack TS
[Ad] Endereço:U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, Maryland 20740, USA.
[Ti] Título:Prevalence of Salmonella in Cashews, Hazelnuts, Macadamia Nuts, Pecans, Pine Nuts, and Walnuts in the United States.
[So] Source:J Food Prot;80(3):459-466, 2017 03.
[Is] ISSN:1944-9097
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Nuts have been identified as a vector for salmonellosis. The objective of this project was to estimate the prevalence and contamination level of Salmonella in raw tree nuts (cashews, pecans, hazelnuts, macadamia nuts, pine nuts, and walnuts) at retail markets in the United States. A total of 3,656 samples of six types of tree nuts were collected from different types of retail stores and markets nationwide between October 2014 and October 2015. These samples were analyzed using a modified version of the Salmonella culture method from the U.S. Food and Drug Administration's Bacteriological Analytical Manual. Of the 3,656 samples collected and tested, 32 were culturally confirmed as containing Salmonella. These isolates represented 25 serotypes. Salmonella was not detected in pecans and in-shell hazelnuts. Salmonella prevalence estimates (and 95% confidence intervals) in cashews, shelled hazelnuts, pine nuts, walnuts, and macadamia nuts were 0.55% [0.15, 1.40], 0.35% [0.04, 1.20], 0.48% [0.10, 1.40], 1.20% [0.53, 2.40], and 4.20% [2.40, 6.90], respectively. The rates of Salmonella isolation from major or big chain supermarkets, small chain supermarkets, discount, variety, or drug stores, and online were 0.64% [0.38, 1.00], 1.60% [0.80, 2.90], 0.00% [0.00, 2.40], and 13.64% [2.90, 35.00], respectively (Cochran-Mantel-Haenszel test: P = 0.02). The rates of Salmonella isolation for conventional and organic nuts were not significantly different. Of the samples containing Salmonella, 60.7% had levels less than 0.003 most probable number (MPN)/g. The highest contamination level observed was 0.092 MPN/g. The prevalence and levels of Salmonella in these tree nut samples were comparable to those previously reported for similar foods.
[Mh] Termos MeSH primário: Nozes/microbiologia
Salmonella/isolamento & purificação
[Mh] Termos MeSH secundário: Anacardium
Carya
Corylus
Contaminação de Alimentos
Juglans
Macadamia
Prevalência
Estados Unidos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170622
[Lr] Data última revisão:
170622
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170217
[St] Status:MEDLINE
[do] DOI:10.4315/0362-028X.JFP-16-396


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[PMID]:28067660
[Au] Autor:Pakade VE; Nchoe OB; Hlungwane L; Tavengwa NT
[Ad] Endereço:Department of Chemistry, Faculty of Applied and Computer Sciences, Vaal University of Technology, Private Bag x 021, Vanderbijlpark 1900, South Africa E-mail: vusumzip@vut.ac.za.
[Ti] Título:Sequestration of hexavalent chromium from aqueous solutions by activated carbon derived from Macadamia nutshells.
[So] Source:Water Sci Technol;75(1-2):196-206, 2017 Jan.
[Is] ISSN:0273-1223
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The purpose of this study was to investigate the feasibility of activated carbons prepared from Macadamia nutshells as an efficient adsorbent for the removal of hexavalent chromium (Cr(VI)) from aqueous solutions. The activated carbon was characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), CHNS analyzer and Brunauer-Emmett-Teller (BET). For effective removal of Cr(VI), the optimum parameters found were pH 2, 120 min of contact time and 0.2 g of sorbent. The adsorption data fitted well into the Freundlich model, suggesting a multilayer sorption process. The results demonstrated that Macadamia activated carbon could be used as cost-effective biosorbent for the treatment of aqueous solutions contaminated by Cr(VI) with an adsorption capacity of 22.3 mg g . The mode of removal involved adsorption and reduction of Cr(VI) to Cr(III).
[Mh] Termos MeSH primário: Carvão Vegetal/química
Cromo/química
Macadamia/química
Poluentes Químicos da Água/química
[Mh] Termos MeSH secundário: Adsorção
Concentração de Íons de Hidrogênio
Microscopia Eletrônica de Varredura
Soluções
Espectroscopia de Infravermelho com Transformada de Fourier
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Solutions); 0 (Water Pollutants, Chemical); 0R0008Q3JB (Chromium); 16291-96-6 (Charcoal); 18540-29-9 (chromium hexavalent ion)
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170615
[Lr] Data última revisão:
170615
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170110
[St] Status:MEDLINE
[do] DOI:10.2166/wst.2016.506


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[PMID]:27880986
[Au] Autor:Tiwari UP; Jha R
[Ad] Endereço:Department of Human Nutrition, Food and Animal Sciences, College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, Hawaii, USA.
[Ti] Título:Nutrients, amino acid, fatty acid and non-starch polysaccharide profile and in vitro digestibility of macadamia nut cake in swine.
[So] Source:Anim Sci J;88(8):1093-1099, 2017 Aug.
[Is] ISSN:1740-0929
[Cp] País de publicação:Australia
[La] Idioma:eng
[Ab] Resumo:The highly variable cost and limited availability of conventional feedstuffs make it imperative to explore alternative feedstuffs to be used in swine. Macadamia nut cake (MNC), a coproduct of the macadamia nut oil industry, has not been well studied. MNC was analyzed for its nutrient profile, gross energy (GE), fibers, amino acids and fatty acids content. Dry matter (DM) and GE digestibility of MNC in swine was determined using an in vitro model. On a DM basis, ash, crude protein, ether extract, NDF, ADF, lignin and GE were found to be 3.7, 25.5, 11.9, 35.8, 28.0, 16.0% and 5581 kcal/kg, respectively. Total and soluble non-starch polysaccharide content were 32.2 and 11.8%, respectively. The concentration of lysine was found to be 0.7%. The DM and GE digestibility were found to be 75.7 and 71.4%, respectively. Gross energy content of MNC is comparable with that of corn and higher than soybean meal, while protein content is twice as high as corn but lower than soybean meal. In conclusion, MNC is not merely a good source of protein and energy but also has fairly high digestibility in swine. Hence, it can be used as a viable alternative source of energy and protein in swine diets.
[Mh] Termos MeSH primário: Aminoácidos/análise
Ração Animal/análise
Digestão/fisiologia
Análise de Alimentos
Alimentos
Técnicas In Vitro
Macadamia
Polissacarídeos/análise
[Mh] Termos MeSH secundário: Animais
Proteínas na Dieta/análise
Ácidos Graxos/análise
Lisina/análise
Macadamia/química
Suínos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Amino Acids); 0 (Dietary Proteins); 0 (Fatty Acids); 0 (Polysaccharides); K3Z4F929H6 (Lysine)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170921
[Lr] Data última revisão:
170921
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161124
[St] Status:MEDLINE
[do] DOI:10.1111/asj.12750


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[PMID]:27855648
[Au] Autor:Nock CJ; Baten A; Barkla BJ; Furtado A; Henry RJ; King GJ
[Ad] Endereço:Southern Cross Plant Science, Southern Cross University, Military Road, NSW, Lismore, 2480, Australia. cathy.nock@scu.edu.au.
[Ti] Título:Genome and transcriptome sequencing characterises the gene space of Macadamia integrifolia (Proteaceae).
[So] Source:BMC Genomics;17(1):937, 2016 11 17.
[Is] ISSN:1471-2164
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: The large Gondwanan plant family Proteaceae is an early-diverging eudicot lineage renowned for its morphological, taxonomic and ecological diversity. Macadamia is the most economically important Proteaceae crop and represents an ancient rainforest-restricted lineage. The family is a focus for studies of adaptive radiation due to remarkable species diversification in Mediterranean-climate biodiversity hotspots, and numerous evolutionary transitions between biomes. Despite a long history of research, comparative analyses in the Proteaceae and macadamia breeding programs are restricted by a paucity of genetic information. To address this, we sequenced the genome and transcriptome of the widely grown Macadamia integrifolia cultivar 741. RESULTS: Over 95 gigabases of DNA and RNA-seq sequence data were de novo assembled and annotated. The draft assembly has a total length of 518 Mb and spans approximately 79% of the estimated genome size. Following annotation, 35,337 protein-coding genes were predicted of which over 90% were expressed in at least one of the leaf, shoot or flower tissues examined. Gene family comparisons with five other eudicot species revealed 13,689 clusters containing macadamia genes and 1005 macadamia-specific clusters, and provides evidence for linage-specific expansion of gene families involved in pathogen recognition, plant defense and monoterpene synthesis. Cyanogenesis is an important defense strategy in the Proteaceae, and a detailed analysis of macadamia gene homologues potentially involved in cyanogenic glycoside biosynthesis revealed several highly expressed candidate genes. CONCLUSIONS: The gene space of macadamia provides a foundation for comparative genomics, gene discovery and the acceleration of molecular-assisted breeding. This study presents the first available genomic resources for the large basal eudicot family Proteaceae, access to most macadamia genes and opportunities to uncover the genetic basis of traits of importance for adaptation and crop improvement.
[Mh] Termos MeSH primário: Genoma de Planta
Genômica
Macadamia/genética
Transcriptoma
[Mh] Termos MeSH secundário: Biologia Computacional/métodos
Ontologia Genética
Genômica/métodos
Glicosídeos/biossíntese
Sequenciamento de Nucleotídeos em Larga Escala
Macadamia/metabolismo
Anotação de Sequência Molecular
Família Multigênica
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Glycosides)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:171119
[Lr] Data última revisão:
171119
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161119
[St] Status:MEDLINE


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[PMID]:27811682
[Au] Autor:Horak M; Komai F
[Ad] Endereço:CSIRO NRCA, GPO Box 1700, Canberra, ACT 2601, Australia; Email: Marianne.Horak@csiro.au.
[Ti] Título:Cryptophlebia Walsingham, 1900, Thaumatotibia Zacher, 1915, and Archiphlebia Komai & Horak, 2006, in Australia (Lepidoptera: Tortricidae: Olethreutinae: Grapholitini).
[So] Source:Zootaxa;4179(3):441-477, 2016 Oct 31.
[Is] ISSN:1175-5334
[Cp] País de publicação:New Zealand
[La] Idioma:eng
[Ab] Resumo:The Australian species of the grapholitine genera Cryptophlebia Walsingham, 1900, Thaumatotibia Zacher, 1915 and Archiphlebia Komai & Horak, 2006, are revised, described and illustrated. A key to species is provided. Five named species of Cryptophlebia, C. ombrodelta (Lower), C. iridosoma (Meyrick), C. rhynchias (Meyrick) and C. pallifimbriana Bradley, are redescribed and three new species, C. wraggae, sp. nov., C. stigmata, sp. nov., and C. caulicola, sp. nov., are described. Cryptophlebia amblyopa Clarke, described from Micronesia, is synonymised with C. iridosoma. Cryptophlebia caulicola, sp. nov., is a borer in twigs of Acacia mangium Willd. in northern Queensland. Thaumatotibia aclyta (Turner) and T. zophophanes (Turner) are redescribed and the new species T. maculata, sp. nov., is described. Fruit of Acronychia spp. (Rutaceae) have been identified as native hosts of T. zophophanes, a pest species which damages macadamia (Proteaceae) and avocado (Lauraceae) on the Atherton Tableland. Archiphlebia endophaga (Meyrick) and A. rutilescens (Turner) are redescribed, and the new species A. gilva, sp. nov., is described.
[Mh] Termos MeSH primário: Mariposas/anatomia & histologia
Mariposas/classificação
[Mh] Termos MeSH secundário: Animais
Austrália
Feminino
Macadamia/parasitologia
Masculino
Persea/parasitologia
Especificidade da Espécie
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1704
[Cu] Atualização por classe:170419
[Lr] Data última revisão:
170419
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161105
[St] Status:MEDLINE
[do] DOI:10.11646/zootaxa.4179.3.5


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[PMID]:27566863
[Au] Autor:Polk BI; Dinakarpandian D; Nanda M; Barnes C; Dinakar C
[Ad] Endereço:Section of Allergy/Immunology, Children's Mercy Kansas City, Kansas City, Missouri. Electronic address: bpolk@cmh.edu.
[Ti] Título:Association of tree nut and coconut sensitizations.
[So] Source:Ann Allergy Asthma Immunol;117(4):412-416, 2016 Oct.
[Is] ISSN:1534-4436
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Coconut (Cocos nucifera), despite being a drupe, was added to the US Food and Drug Administration list of tree nuts in 2006, causing potential confusion regarding the prevalence of coconut allergy among tree nut allergic patients. OBJECTIVE: To determine whether sensitization to tree nuts is associated with increased odds of coconut sensitization. METHODS: A single-center retrospective analysis of serum specific IgE levels to coconut, tree nuts (almond, Brazil nut, cashew, chestnut, hazelnut, macadamia, pecan, pistachio, and walnut), and controls (milk and peanut) was performed using deidentified data from January 2000 to August 2012. Spearman correlation (ρ) between coconut and each tree nut was determined, followed by hierarchical clustering. Sensitization was defined as a nut specific IgE level of 0.35 kU/L or higher. Unadjusted and adjusted associations between coconut and tree nut sensitization were tested by logistic regression. RESULTS: Of 298 coconut IgE values, 90 (30%) were considered positive results, with a mean (SD) of 1.70 (8.28) kU/L. Macadamia had the strongest correlation (ρ = 0.77), whereas most other tree nuts had significant (P < .05) but low correlation (ρ < 0.5) with coconut. The adjusted odds ratio between coconut and macadamia was 7.39 (95% confidence interval, 2.60-21.02; P < .001) and 5.32 (95% confidence interval, 2.18-12.95; P < .001) between coconut and almond, with other nuts not being statistically significant. CONCLUSION: Our findings suggest that although sensitization to most tree nuts appears to correlate with coconut, this is largely explained by sensitization to almond and macadamia. This finding has not previously been reported in the literature. Further study correlating these results with clinical symptoms is planned.
[Mh] Termos MeSH primário: Alérgenos/imunologia
Cocos/imunologia
Hipersensibilidade a Noz/epidemiologia
Nozes/imunologia
[Mh] Termos MeSH secundário: Adolescente
Adulto
Criança
Pré-Escolar
Feminino
Seres Humanos
Imunoglobulina E/sangue
Macadamia/imunologia
Masculino
Hipersensibilidade a Noz/sangue
Hipersensibilidade a Noz/imunologia
Razão de Chances
Prunus dulcis/imunologia
Estudos Retrospectivos
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Allergens); 37341-29-0 (Immunoglobulin E)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170802
[Lr] Data última revisão:
170802
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160828
[St] Status:MEDLINE


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[PMID]:27387814
[Au] Autor:Zeng H; Yang W; Lu C; Lin W; Zou M; Zhang H; Wan J; Huang X
[Ad] Endereço:College of Horticulture, South China Agricultural University, Guangzhou, Guangdong, China.
[Ti] Título:Effect of CPPU on Carbohydrate and Endogenous Hormone Levels in Young Macadamia Fruit.
[So] Source:PLoS One;11(7):e0158705, 2016.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:N-(2-Chloro-4-pyridyl)-N'-phenylurea (CPPU) is a highly active cytokinin-like plant growth regulator that promotes chlorophyll biosynthesis, cell division, and cell expansion. It also increases fruit set and accelerates fruit enlargement. However, there has been no report about the effect of CPPU on fruit development and its physiological mechanism in macadamia. In this study, we investigated the effect of CPPU treatment at early fruit development via foliar spray or raceme soaking at 20 mg·L-1 on fruit set and related physiology in macadamia. Changes in carbohydrate contents and endogenous hormones in leaves, bearing shoots and fruit were also examined. Results showed that CPPU significantly reduced young fruit drop and delayed the wave of fruit drop by 1-2 weeks. The treatment significantly decreased the contents of total soluble sugars and starch in the leaves, but increased them in the bearing shoots and total soluble sugars in the husk (pericarp) and seeds. These findings suggested that CPPU promoted carbohydrate mobilization from the leaves to the fruit. In addition, CPPU increased the contents of indole-3-acetic acid (IAA), gibberellin acid (GA3), and zeatin riboside (ZR) and decreased the abscisic acid (ABA) in the husk. Therefore, CPPU treatment reduced the early fruit drop by increasing carbohydrate availability and by modifying the balance among endogenous hormones.
[Mh] Termos MeSH primário: Carboidratos/química
Frutas/efeitos dos fármacos
Macadamia/efeitos dos fármacos
Polietilenoglicóis/química
Poliuretanos/química
[Mh] Termos MeSH secundário: Ácido Abscísico/metabolismo
Citocininas/metabolismo
Frutas/metabolismo
Giberelinas/metabolismo
Macadamia/metabolismo
Reguladores de Crescimento de Planta/metabolismo
Folhas de Planta/metabolismo
Sementes/efeitos dos fármacos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Carbohydrates); 0 (Cytokinins); 0 (Gibberellins); 0 (Plant Growth Regulators); 0 (Polyurethanes); 0 (co(polyether)polyurethane); 30IQX730WE (Polyethylene Glycols); 72S9A8J5GW (Abscisic Acid)
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170731
[Lr] Data última revisão:
170731
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160709
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0158705


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[PMID]:27228399
[Au] Autor:Canneddu G; Júnior LC; de Almeida Teixeira GH
[Ad] Endereço:Dipt. di Agraria, Univ. degli Studi di Sassari, Via Enrico de Nicola, 7, 07.100, Sassari, Italy.
[Ti] Título:Quality Evaluation of Shelled and Unshelled Macadamia Nuts by Means of Near-Infrared Spectroscopy (NIR).
[So] Source:J Food Sci;81(7):C1613-21, 2016 Jul.
[Is] ISSN:1750-3841
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The quality of shelled and unshelled macadamia nuts was assessed by means of Fourier transformed near-infrared (FT-NIR) spectroscopy. Shelled macadamia nuts were sorted as sound nuts; nuts infected by Ecdytolopha aurantiana and Leucopteara coffeella; and cracked nuts caused by germination. Unshelled nuts were sorted as intact nuts (<10% half nuts, 2014); half nuts (March, 2013; November, 2013); and crushed nuts (2014). Peroxide value (PV) and acidity index (AI) were determined according to AOAC. PCA-LDA shelled macadamia nuts classification resulted in 93.2% accurate classification. PLS PV prediction model resulted in a square error of prediction (SEP) of 3.45 meq/kg, and a prediction coefficient determination value (Rp (2) ) of 0.72. The AI PLS prediction model was better (SEP = 0.14%, Rp (2) = 0.80). Although adequate classification was possible (93.2%), shelled nuts must not contain live insects, therefore the classification accuracy was not satisfactory. FT-NIR spectroscopy can be successfully used to predict PV and AI in unshelled macadamia nuts, though.
[Mh] Termos MeSH primário: Ácidos/análise
Macadamia
Nozes/normas
Peróxidos/análise
Espectroscopia de Luz Próxima ao Infravermelho/métodos
[Mh] Termos MeSH secundário: Animais
Análise de Alimentos/métodos
Germinação
Seres Humanos
Insetos
Peroxidação de Lipídeos
Nozes/química
Nozes/classificação
[Pt] Tipo de publicação:JOURNAL ARTICLE; VALIDATION STUDIES
[Nm] Nome de substância:
0 (Acids); 0 (Peroxides)
[Em] Mês de entrada:1704
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160527
[St] Status:MEDLINE
[do] DOI:10.1111/1750-3841.13343



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