bertholletia

Summary

Summary: A plant genus of the family Lecythidaceae which is the source of edible Brazil nuts.

Top Publications

  1. Moreno F, Jenkins J, Mellon F, Rigby N, Robertson J, Wellner N, et al. Mass spectrometry and structural characterization of 2S albumin isoforms from Brazil nuts (Bertholletia excelsa). Biochim Biophys Acta. 2004;1698:175-86 pubmed
    Proteomic approaches have been used to characterise the main 2S albumin isoforms from Brazil nuts (Bertholletia excelsa)...
  2. Alcocer M, Rundqvist L, Larsson G. Ber e 1 protein: the versatile major allergen from Brazil nut seeds. Biotechnol Lett. 2012;34:597-610 pubmed publisher
    ..In this review, many of the Ber e 1 unique biotechnological and structural functions are discussed with a particular emphasis on its use as model protein for studies of intrinsic allergenicity of food proteins...
  3. Dearman R, Alcocer M, Kimber I. Influence of plant lipids on immune responses in mice to the major Brazil nut allergen Ber e 1. Clin Exp Allergy. 2007;37:582-91 pubmed
    ..Lipids, particularly bacterial lipopolysaccharide, can impact on immune responses to proteins, with low doses enhancing type 2 responses...
  4. Bansal A, Chee R, Nagendran V, Warner A, Hayman G. Dangerous liaison: sexually transmitted allergic reaction to Brazil nuts. J Investig Allergol Clin Immunol. 2007;17:189-91 pubmed
    ..We believe this to be the first case of a sexually transmitted allergic reaction...
  5. Alcocer M, Murtagh G, Wilson P, Progias P, Lin J, Archer D. The major human structural IgE epitope of the Brazil nut allergen Ber e 1: a chimaeric and protein microarray approach. J Mol Biol. 2004;343:759-69 pubmed
  6. Carvalho R, Huguenin G, Luiz R, Moreira A, Oliveira G, Rosa G. Intake of partially defatted Brazil nut flour reduces serum cholesterol in hypercholesterolemic patients--a randomized controlled trial. Nutr J. 2015;14:59 pubmed publisher
    ..We aimed to investigate the effects of a healthy diet associated with the Brazil nut (Bertholletia excelsa) in dyslipidemic and hypertensive patients...
  7. Oliveira D, Krettli A, Aguiar A, Leitão G, Vieira M, Martins K, et al. Ethnopharmacological evaluation of medicinal plants used against malaria by quilombola communities from Oriximiná, Brazil. J Ethnopharmacol. 2015;173:424-34 pubmed publisher
    ..6μg/mL, were obtained from Aspidosperma rigidum (Apocynaceae), Bertholletia excelsa (Lecythidaceae) and Simaba cedron (Simaroubaceae), all of which displayed an S value>1...
  8. Georgin J, Marques B, Peres E, Allasia D, Dotto G. Biosorption of cationic dyes by Pará chestnut husk (Bertholletia excelsa). Water Sci Technol. 2018;77:1612-1621 pubmed publisher
    Pará chestnut husk (Bertholletia excelsa) (PCH), an agro-industrial waste largely generated in Brazil, was employed as a low-cost and efficient biosorbent to remove the cationic dyes Crystal Violet (CV) and Methylene Blue (MB) from ..
  9. Ryan E, Galvin K, O Connor T, Maguire A, O Brien N. Fatty acid profile, tocopherol, squalene and phytosterol content of brazil, pecan, pine, pistachio and cashew nuts. Int J Food Sci Nutr. 2006;57:219-28 pubmed
    ..4 to 4685.9 mg/g oil. In conclusion, the present data indicate that nuts are a good dietary source of unsaturated fatty acids, tocopherols, squalene and phytosterols...

More Information

Publications79

  1. Strunz C, Oliveira T, Vinagre J, Lima A, Cozzolino S, Maranhão R. Brazil nut ingestion increased plasma selenium but had minimal effects on lipids, apolipoproteins, and high-density lipoprotein function in human subjects. Nutr Res. 2008;28:151-5 pubmed publisher
    The Brazil nut (Bertholletia excelsa) of the Amazon region is consumed worldwide. It is rich in both monounsaturated fatty acids and polyunsaturated fatty acids and is known for its high selenium content...
  2. Villarreal J, Santos P, Silva M, Azambuja R, Gonçalves C, Escareño J, et al. Evaluation of phytotherapy alternatives for controlling Rhipicephalus (Boophilus) microplus in vitro. Rev Bras Parasitol Vet. 2017;26:299-306 pubmed publisher
    ..cumin) and of the fixed oils of Bertholletia excelsa (Brazil nut) and of Helianthus annuus (sunflower seed)...
  3. Ferranti L, Correa B, Fungaro M, Iamanaka B, Massi F, Phippen C, et al. Occurrence and fumonisin B2 producing potential of Aspergillus section Nigri in Brazil nuts. Mycotoxin Res. 2017;33:49-58 pubmed publisher
    b>Bertholletia excelsa is the tree that produces Brazil nuts which have vast economic importance in the Amazon region and as an export commodity...
  4. Baldoni A, Tonini H, Tardin F, Botelho S, Teodoro P. Minimum number of measurements for evaluating Bertholletia excelsa. Genet Mol Res. 2017;16: pubmed publisher
    ..r) and predict the minimum number of measurements needed for a more accurate evaluation of Brazil nut tree (Bertholletia excelsa) genotypes based on fruit yield...
  5. Cominetti C, de Bortoli M, Garrido A, Cozzolino S. Brazilian nut consumption improves selenium status and glutathione peroxidase activity and reduces atherogenic risk in obese women. Nutr Res. 2012;32:403-7 pubmed publisher
    ..This study shows that obese people who implement daily consumption of Brazilian nuts can improve both Se status and lipid profile, especially high-density lipoprotein cholesterol levels, thereby reducing cardiovascular risks. ..
  6. Murtagh G, Dumoulin M, Archer D, Alcocer M. Stability of recombinant 2 S albumin allergens in vitro. Biochem Soc Trans. 2002;30:913-5 pubmed
  7. Sujii P, Fernandes E, Azevedo V, Ciampi A, Martins K, de O Wadt L. Morphological and molecular characteristics do not confirm popular classification of the Brazil nut tree in Acre, Brazil. Genet Mol Res. 2013;12:4018-27 pubmed publisher
    In the State of Acre, the Brazil nut tree, Bertholletia excelsa (Lecythidaceae), is classified by the local population into two types according to morphological characteristics, including color and quality of wood, shape of the trunk and ..
  8. Silva Junior E, Wadt L, Silva K, Lima R, Batista K, Guedes M, et al. Natural variation of selenium in Brazil nuts and soils from the Amazon region. Chemosphere. 2017;188:650-658 pubmed publisher
    Brazil nut tree (Bertholletia excelsa) is native of the Amazon rainforest. Brazil nuts are consumed worldwide and are known as the richest food source of selenium (Se). Yet, the reasoning for such Se contents is not well stablished...
  9. Baldoni A, Wadt L, Campos T, Silva V, Azevedo V, Mata L, et al. Contemporary pollen and seed dispersal in natural populations of Bertholletia excelsa (Bonpl.). Genet Mol Res. 2017;16: pubmed publisher
    Due to the nutritional content and commercial value of its seeds, Bertholletia excelsa is one of the most important species exploited in the Amazon region...
  10. Senna G, Bonadonna P, Crivellaro M, Schiappoli M, Passalacqua G. Anaphylaxis due to Brazil nut skin testing in a walnut-allergic subject. J Investig Allergol Clin Immunol. 2005;15:225-7 pubmed
    ..Our case suggests that in vivo diagnosis, especially if fresh nuts are used, should be performed only if adequate equipment to treat anaphylaxis is available. ..
  11. Taniwaki M, Pitt J, Iamanaka B, Sartori D, Copetti M, Balajee A, et al. Aspergillus bertholletius sp. nov. from Brazil nuts. PLoS ONE. 2012;7:e42480 pubmed publisher
    During a study on the mycobiota of brazil nuts (Bertholletia excelsa) in Brazil, a new Aspergillus species, A. bertholletius, was found, and is described here...
  12. Rita Cardoso B, Apolinário D, da Silva Bandeira V, Busse A, Magaldi R, Jacob Filho W, et al. Effects of Brazil nut consumption on selenium status and cognitive performance in older adults with mild cognitive impairment: a randomized controlled pilot trial. Eur J Nutr. 2016;55:107-16 pubmed publisher
    ..Our results suggest that the intake of Brazil nut restores selenium deficiency and provides preliminary evidence that Brazil nut consumption can have positive effects on some cognitive functions of older adults with MCI. ..
  13. Guo F, Jin T, Howard A, Zhang Y. Purification, crystallization and initial crystallographic characterization of brazil-nut allergen Ber e 2. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2007;63:976-9 pubmed
    ..Brazil-nut (Bertholletia excelsa) allergies have been well documented and the 11S legumin-like seed storage protein Ber e 2 (excelsin) ..
  14. Ben Rejeb S, Abbott M, Davies D, Cleroux C, Delahaut P. Multi-allergen screening immunoassay for the detection of protein markers of peanut and four tree nuts in chocolate. Food Addit Contam. 2005;22:709-15 pubmed
  15. van Boxtel E, van Koningsveld G, Koppelman S, van den Broek L, Voragen A, Gruppen H. Expanded bed adsorption as a fast technique for the large-scale purification of the complete isoform pool of Ber e 1, the major allergen from Brazil nuts. Mol Nutr Food Res. 2006;50:275-81 pubmed
    ..Thus, using EBA, Ber e 1 can be purified fast and on gram-scale, while having purity equal to that of conventionally purified Ber e 1...
  16. Awaad A, Moustafa A. Immunotoxicity of skin acid secretion produced by the sea slug Berthellina citrina in mice spleen: Histological and Immunohistochemical study. Acta Histochem. 2016;118:596-605 pubmed publisher
    ..This study provides new insight about the toxicity of a marine extract may be used in natural products industry or medical applications. ..
  17. Chunhieng T, Petritis K, Elfakir C, Brochier J, Goli T, Montet D. Study of selenium distribution in the protein fractions of the Brazil nut, Bertholletia excelsa. J Agric Food Chem. 2004;52:4318-22 pubmed
    The high selenium content of the Brazil nut, Bertholletia excelsa, makes this seed a healthy food qualified as an antiradical protector. The studied nut contained 126 ppm of selenium...
  18. Baquião A, De Oliveira M, Reis T, Zorzete P, Atayde D, Correa B. Monitoring and determination of fungi and mycotoxins in stored Brazil nuts. J Food Prot. 2013;76:1414-20 pubmed publisher
    Brazil nut (Bertholletia excelsa) is an important commodity from the Brazilian Amazon, and approximately 37,000 tons (3.36 × 10? kg) of Brazil nuts are harvested each year...
  19. Reis T, Oliveira T, Baquião A, Gonçalves S, Zorzete P, Correa B. Mycobiota and mycotoxins in Brazil nut samples from different states of the Brazilian Amazon region. Int J Food Microbiol. 2012;159:61-8 pubmed publisher
    ..2?g/kg. Aspergillus nomius and A. flavus were the most frequent Aspergillus species. The presence of fungi does not necessarily imply mycotoxin contamination, but almonds of the Brazil nut seem to be a good substrate for fungal growth...
  20. Stockler Pinto M, Lobo J, Moraes C, Leal V, Farage N, Rocha A, et al. Effect of Brazil nut supplementation on plasma levels of selenium in hemodialysis patients: 12 months of follow-up. J Ren Nutr. 2012;22:434-9 pubmed publisher
    ..It has been proposed that selenium (Se) may exert an antiatherogenic influence by reducing oxidative stress. The richest known food source of Se is the Brazil nut (Bertholletia excelsa, family Lecythidaceae), found in the Amazon region.
  21. Cominetti C, de Bortoli M, Purgatto E, Ong T, Moreno F, Garrido A, et al. Associations between glutathione peroxidase-1 Pro198Leu polymorphism, selenium status, and DNA damage levels in obese women after consumption of Brazil nuts. Nutrition. 2011;27:891-6 pubmed publisher
    ..The response of Se status, GPx activity, and levels of DNA damage to a Se supplementation trial between the genotypes related to that polymorphism was investigated...
  22. De Leon M, Glaspole I, Drew A, Rolland J, O Hehir R, Suphioglu C. Immunological analysis of allergenic cross-reactivity between peanut and tree nuts. Clin Exp Allergy. 2003;33:1273-80 pubmed
    ..Peanut allergy is more common than tree nut allergy, but many subjects develop hypersensitivity to both peanuts and tree nuts. Whether this is due to the presence of cross-reactive allergens remains unknown...
  23. Eglezos S, Huang B, Stuttard E. A survey of the bacteriological quality of preroasted peanut, almond, cashew, hazelnut, and brazil nut kernels received into three Australian nut-processing facilities over a period of 3 years. J Food Prot. 2008;71:402-4 pubmed
    ..The bacteriological quality of preroasted peanut, almond, cashew, hazelnut, and Brazil nut kernels received into nut-processing facilities in Australia does not appear to suggest a public health concern...
  24. Asero R, Mistrello G, Roncarolo D, Amato S. Walnut-induced anaphylaxis with cross-reactivity to hazelnut and Brazil nut. J Allergy Clin Immunol. 2004;113:358-60 pubmed
  25. de Freitas Folly G, Neiva da Silva E, Vieira Verner F, Dos Santos Silva F, Pinheiro Volp A. [Acceptance of handmade products containing nuts and fructooligosaccharides]. Nutr Hosp. 2013;28:86-92 pubmed publisher
    ..Prebiotic and food with functional properties are beneficial for consumers through prevention of many diseases...
  26. Pinto Ramos C, Bora P. Functionality of succinylated Brazil nut (Bertholletia excelsa HBK) kernel globulin. Plant Foods Hum Nutr. 2005;60:1-6 pubmed
  27. Filogônio C, Soares R, Horta M, Penido C, Cruz R. Effect of vegetable oil (Brazil nut oil) and mineral oil (liquid petrolatum) on dental biofilm control. Braz Oral Res. 2011;25:556-61 pubmed
    ..Therefore, the addition of a vegetable or a mineral oil to a commercially available dentifrice improved dental biofilm control, suggesting that these oils may aid in the prevention and/or control of caries and periodontal disease...
  28. Moodley R, Kindness A, Jonnalagadda S. Elemental composition and chemical characteristics of five edible nuts (almond, Brazil, pecan, macadamia and walnut) consumed in Southern Africa. J Environ Sci Health B. 2007;42:585-91 pubmed
    ..concentrations and proximate chemical composition of five different tree nuts, almond (Prunus dulcus), Brazil (Bertholletia excelsa), pecan (Carya pecan), macadamia (Macadamia integrifolia) and walnut (Juglans nigra) that are consumed ..
  29. Rundqvist L, Tengel T, Zdunek J, Björn E, SCHLEUCHER J, Alcocer M, et al. Solution structure, copper binding and backbone dynamics of recombinant Ber e 1-the major allergen from Brazil nut. PLoS ONE. 2012;7:e46435 pubmed publisher
    ..Structural details of Ber e 1 may contribute to the understanding of the allergenic properties of the protein and its potential interaction partners...
  30. Röder M, Filbert H, Holzhauser T. A novel, sensitive and specific real-time PCR for the detection of traces of allergenic Brazil nut (Bertholletia excelsa) in processed foods. Anal Bioanal Chem. 2010;398:2279-88 pubmed publisher
    ..Brazil nut (Bertholletia excelsa) is such a food commodity with allergenic potential...
  31. Brezna B, Dudásová H, Kuchta T. A novel real-time polymerase chain reaction method for the detection of Brazil nuts in food. J AOAC Int. 2010;93:197-201 pubmed
    A qualitative real-time PCR-based method for the detection of the Brazil nut (Bertholletia excelsa) component in food is described...
  32. Stockler Pinto M, Mafra D, Farage N, Boaventura G, Cozzolino S. Effect of Brazil nut supplementation on the blood levels of selenium and glutathione peroxidase in hemodialysis patients. Nutrition. 2010;26:1065-9 pubmed publisher
    ..The richest known food source of selenium is the Brazil nut (Bertholletia excelsa, family Lecythidaceae), found in the Amazon region...
  33. Peres C, Baider C, Zuidema P, Wadt L, Kainer K, Gomes Silva D, et al. Demographic threats to the sustainability of Brazil nut exploitation. Science. 2003;302:2112-4 pubmed
    A comparative analysis of 23 populations of the Brazil nut tree (Bertholletia excelsa) across the Brazilian, Peruvian, and Bolivian Amazon shows that the history and intensity of Brazil nut exploitation are major determinants of ..
  34. Thomson C, Chisholm A, McLachlan S, Campbell J. Brazil nuts: an effective way to improve selenium status. Am J Clin Nutr. 2008;87:379-84 pubmed
    ..Brazil nuts provide a rich natural source of selenium, yet no studies have investigated the bioavailability of selenium in humans...
  35. De Leon M, Drew A, Glaspole I, Suphioglu C, O Hehir R, Rolland J. IgE cross-reactivity between the major peanut allergen Ara h 2 and tree nut allergens. Mol Immunol. 2007;44:463-71 pubmed
    ..This indicates that the major peanut allergen, Ara h 2, shares common IgE-binding epitopes with almond and Brazil nut allergens, which may contribute to the high incidence of tree nut sensitisation in peanut allergic individuals...
  36. Ridout S, Matthews S, Gant C, Twiselton R, Dean T, Arshad S. The diagnosis of Brazil nut allergy using history, skin prick tests, serum-specific immunoglobulin E and food challenges. Clin Exp Allergy. 2006;36:226-32 pubmed
    ..Allergy to Brazil nut is a relatively common nut allergy and can be fatal. However, the evidence is lacking regarding the best approach to its diagnosis...
  37. de la Cruz S, López Calleja I, Alcocer M, Gonzalez I, Martin R, Garcia T. Selection of recombinant antibodies by phage display technology and application for detection of allergenic Brazil nut (Bertholletia excelsa) in processed foods. J Agric Food Chem. 2013;61:10310-9 pubmed publisher
  38. Luo J, Taniwaki M, Iamanaka B, Vogel R, Niessen L. Application of loop-mediated isothermal amplification assays for direct identification of pure cultures of Aspergillus flavus, A. nomius, and A. caelatus and for their rapid detection in shelled Brazil nuts. Int J Food Microbiol. 2014;172:5-12 pubmed publisher
    ..nomius and A. flavus in low tech environments where resources may be limited...
  39. Gonçalves J, Ferracin L, Carneiro Vieira M, Iamanaka B, Taniwaki M, Pelegrinelli Fungaro M. Molecular analysis of Aspergillus section Flavi isolated from Brazil nuts. World J Microbiol Biotechnol. 2012;28:1817-25 pubmed publisher
    ..In our study, Aspergillus section Flavi were isolated from Brazil nuts (Bertholletia excelsa), and identified by morphological and molecular means...
  40. Cardoso B, Busse A, Hare D, Cominetti C, Horst M, McColl G, et al. Pro198Leu polymorphism affects the selenium status and GPx activity in response to Brazil nut intake. Food Funct. 2016;7:825-33 pubmed publisher
    ..Previously, supplementation with a selenium-rich Brazil nut (Bertholletia excelsa) has shown potential in reducing cognitive decline in MCI patients, and could prove to be a safe and ..
  41. Barcza Stockler Pinto M, Carrero J, De Carvalho Cardoso Weide L, Franciscato Cozzolino S, Mafra D. EFFECT OF SELENIUM SUPPLEMENTATION VIA BRAZIL NUT (BERTHOLLETIA EXCELSA, HBK) ON THYROID HORMONES LEVELS IN HEMODIALYSIS PATIENTS: A PILOT STUDY. Nutr Hosp. 2015;32:1808-12 pubmed publisher
  42. Kannamkumarath S, Wuilloud R, Caruso J. Studies of various elements of nutritional and toxicological interest associated with different molecular weight fractions in Brazil nuts. J Agric Food Chem. 2004;52:5773-80 pubmed
    ..ICP-MS) was used to study the molecular weight distribution patterns of several elements in Brazil nuts (Bertholletia excelsa)...
  43. Freitas Silva O, de Lourdes M, de Souza M, Venancio A. Tracing fungi secondary metabolites in Brazil nuts using LC-MS/MS. Drug Metab Lett. 2011;5:150-5 pubmed
    ..This is the first study dealing with the detection of the latter nine metabolites in Brazil nuts. Alternariol-methylether (from 0.75 to 3.2 µg/kg) was the only metabolite detected in all analyzed samples...
  44. Pacheco A, Scussel V. Selenium and aflatoxin levels in raw Brazil nuts from the Amazon basin. J Agric Food Chem. 2007;55:11087-92 pubmed
    ..1% and maximum of 30.4%) and 22.1% (minimum of 14.6% and maximum of 28.9%) and a w of 0.85 for both regions. Further studies need to be carried out to discover the role of Se on fungi growth stress and aflatoxin production mechanisms...
  45. Soria Hernanz D, Braverman J, Hamilton M. Parallel rate heterogeneity in chloroplast and mitochondrial genomes of Brazil nut trees (Lecythidaceae) is consistent with lineage effects. Mol Biol Evol. 2008;25:1282-96 pubmed publisher
    ..The lineage effects observed here were uncoupled from annual/perennial habit because all the species from this study are perennial...
  46. Koppelman S, Nieuwenhuizen W, Gaspari M, Knippels L, Penninks A, Knol E, et al. Reversible denaturation of Brazil nut 2S albumin (Ber e1) and implication of structural destabilization on digestion by pepsin. J Agric Food Chem. 2005;53:123-31 pubmed
    ..Whereas native 2S albumin was digested slowly in 1 h, the reduced and alkylated protein was digested completely within 30 s. These results are discussed in view of the potential allergenicity of Brazil nut 2S albumin...
  47. Ewan P, Clark A. Efficacy of a management plan based on severity assessment in longitudinal and case-controlled studies of 747 children with nut allergy: proposal for good practice. Clin Exp Allergy. 2005;35:751-6 pubmed
    ..Advice is variable and often inadequate; further reactions are common. There is no consensus on the criteria for prescription of rescue medication, particularly adrenaline...
  48. Brzezinski J. Detection of cashew nut DNA in spiked baked goods using a real-time polymerase chain reaction method. J AOAC Int. 2006;89:1035-8 pubmed
    ..This assay was sensitive enough to detect 5 pg purified cashew DNA as well as cashew DNA in a spiked chocolate cookie sample containing 0.01% (100 mg/kg) cashew...
  49. Hubalkova Z, Rencova E. One-step multiplex PCR method for the determination of pecan and Brazil nut allergens in food products. J Sci Food Agric. 2011;91:2407-11 pubmed publisher
    ..Primer pairs for the amplification of partial sequences of genes encoding the allergens were designed and tested for their specificity on a range of food components...
  50. Staudhammer C, Wadt L, Kainer K. Tradeoffs in basal area growth and reproduction shift over the lifetime of a long-lived tropical species. Oecologia. 2013;173:45-57 pubmed publisher
    ..We integrated rainfall and soil variables with data from 190 Bertholletia excelsa trees of different diameter at breast height (DBH) sizes, crown characteristics, and liana loads, ..
  51. Midorikawa G, Pinheiro M, Vidigal B, Arruda M, Costa F, Pappas G, et al. Characterization of Aspergillus flavus strains from Brazilian Brazil nuts and cashew by RAPD and ribosomal DNA analysis. Lett Appl Microbiol. 2008;47:12-8 pubmed publisher
    ..The aim of this study was to determine the genetic variability in Aspergillus flavus populations from Brazil nut and cashew and develop a polymerase chain reaction (PCR) detection method...
  52. Stokstad E. Ecology. Too much crunching on rainforest nuts?. Science. 2003;302:2049 pubmed
  53. De Leon M, Drew A, Glaspole I, Suphioglu C, Rolland J, O Hehir R. Functional analysis of cross-reactive immunoglobulin E antibodies: peanut-specific immunoglobulin E sensitizes basophils to tree nut allergens. Clin Exp Allergy. 2005;35:1056-64 pubmed
    ..It is, however, unclear whether these cross-reactive IgE antibodies are involved in effector-cell activation...
  54. Ball H, Luyt D, Bravin K, Kirk K. Single nut or total nut avoidance in nut allergic children: outcome of nut challenges to guide exclusion diets. Pediatr Allergy Immunol. 2011;22:808-12 pubmed publisher
  55. Saraiva S, Cabral E, Eberlin M, Catharino R. Amazonian vegetable oils and fats: fast typification and quality control via triacylglycerol (TAG) profiles from dry matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry fingerprinting. J Agric Food Chem. 2009;57:4030-4 pubmed publisher
    ..A database from spectra could be developed and may be used for their fast and reliable typification, application screening, and quality control...
  56. Santos C, Absy M. [Pollinators of Bertholletia excelsa (Lecythidales: Lecythidaceae): interactions with stingless bees (Apidae: Meliponini) and trophic niche]. Neotrop Entomol. 2010;39:854-61 pubmed
    ..mocsaryi (Friese) (Apidae: Euglossini) in the presence of stingless bees (Apidae: Meliponini) in flowers of Bertholletia excelsa, the Brazilian nut. The palynological load carried by both species was also examined...
  57. Vargas E, dos Santos E, Whitaker T, Slate A. Determination of aflatoxin risk components for in-shell Brazil nuts. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2011;28:1242-60 pubmed publisher
    ..17, 0.16 and 0.24 were respectively calculated to estimate the aflatoxin concentration in the good kernels (edible) and good nuts by measuring the aflatoxin concentration in the in-shell test sample and in all kernels, respectively...
  58. Lemire M, Philibert A, Fillion M, Passos C, Guimarães J, Barbosa F, et al. No evidence of selenosis from a selenium-rich diet in the Brazilian Amazon. Environ Int. 2012;40:128-136 pubmed publisher
    ..Considering the current food transition towards a western diet in the Amazon, further studies should address the possible association between high Se status and cardiometabolic health in this study population. ..
  59. Whitaker T, Slate A, Hurley J, Giesbrecht F. Sampling almonds for aflatoxin, part II: estimating risks associated with various sampling plan designs. J AOAC Int. 2007;90:778-85 pubmed
    ..By using the variance and distribution information, operating characteristics curves were developed to predict the effect of sample size and accept/reject limits on the probability of rejecting good lots and accepting bad lots...
  60. Funasaki M, Oliveira R, Zanotto S, Carioca C, Simas R, Eberlin M, et al. Brazil nut oil: quality control via triacylglycerol profiles provided by easy ambient sonic-spray ionization mass spectrometry. J Agric Food Chem. 2012;60:11263-7 pubmed publisher
    ..Therefore, it is shown that quality control of Amazonian vegetable oils can be readily accomplished by EASI-MS...
  61. Calderari T, Iamanaka B, Frisvad J, Pitt J, Sartori D, Pereira J, et al. The biodiversity of Aspergillus section Flavi in brazil nuts: from rainforest to consumer. Int J Food Microbiol. 2013;160:267-72 pubmed publisher
    ..These results showed that sorting is a very effective way to decrease aflatoxin content in brazil nuts...
  62. Lima A, Gonçalves E, Andrade S, Barbosa M, Barroso K, de Sousa M, et al. Critical points of Brazil nuts: a beginning for food safety, quality control and Amazon sustainability. J Sci Food Agric. 2013;93:735-40 pubmed publisher
  63. Marklinder I, Lindblad M, Gidlund A, Olsen M. Consumers' ability to discriminate aflatoxin-contaminated Brazil nuts. Food Addit Contam. 2005;22:56-64 pubmed
    ..None of the tested factors (such as sex, age, level of education, ethnic background or knowledge of mycotoxins) had any effects on the probability of exceeding either of the two aflatoxin thresholds...
  64. Campos F, Januário A, Rosas L, Nascimento S, Pereira P, Franca S, et al. Trypanocidal activity of extracts and fractions of Bertholletia excelsa. Fitoterapia. 2005;76:26-9 pubmed
    Crude extracts and fractions of Bertholletia excelsa stem barks were tested for trypanocidal activity...
  65. Cabral J, Baldoni A, Tonini H, Azevedo V, Giustina L, Tiago A, et al. Diversity and genetic structure of the native Brazil nut tree (Bertholletia excelsa Bonpl.) population. Genet Mol Res. 2017;16: pubmed publisher
    The present study was carried out in a native Brazil nut tree population (Bertholletia excelsa Bonpl., Lecythidaceae) to assess its genetic diversity and structure. Ten microsatellite markers were used to genotype 198 adult trees (B...
  66. Baquião A, de Oliveira M, Reis T, Zorzete P, Diniz Atayde D, Correa B. Polyphasic approach to the identification of Aspergillus section Flavi isolated from Brazil nuts. Food Chem. 2013;139:1127-32 pubmed publisher
    ..7%) and mainly included A. flavus strains producing elevated levels of aflatoxins and CPA. These results highlight the possibility of co-occurrence of both toxins, increasing their potential toxic effect in this commodity...
  67. De Mello F, Scussel V. Characteristics of in-shell Brazil nuts and their relationship to aflatoxin contamination: criteria for sorting. J Agric Food Chem. 2007;55:9305-10 pubmed
    ..No aflatoxin was detected in Groups I and II. The data obtained from the Brazil nut measured characteristics can help to distinguish healthy/safe and deteriorated nuts and will be useful for Brazil nut sorting and machine development...
  68. da Silva E, Mataveli L, Arruda M. Speciation analysis of selenium in plankton, Brazil nut and human urine samples by HPLC-ICP-MS. Talanta. 2013;110:53-7 pubmed publisher
  69. Bull R, Smith T, Phipps A. Unexpectedly high activity of 228Th in excretion samples following consumption of Brazil nuts. Radiat Prot Dosimetry. 2006;121:425-8 pubmed
  70. de Oliveira Brito S, Andrade H, Soares L, de Azevedo R. Brazil nut shells as a new biosorbent to remove methylene blue and indigo carmine from aqueous solutions. J Hazard Mater. 2010;174:84-92 pubmed publisher
    ..The maximal uptakes were 7.81 mg g(-1), for methylene blue, and 1.09 mg g(-1) for indigo carmine, at room temperature. These results indicate that Brazil nut shells may be useful as adsorbent either for basic or acid dyes...