2017
DOI: 10.1016/j.ijbiomac.2017.05.077
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Purification and characterization of a protease-resistant phytase of Aspergillus oryzae SBS50 whose properties make it exceptionally useful as a feed supplement

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Cited by 23 publications
(6 citation statements)
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“…Aspergillus spp., especially A. oryzae , are the microorganisms predominantly utilized during the fermentation process of broad beans (Vishwanatha et al 2009 ). They produce a diverse array of enzymes, such as protease (Murthy and Kusumoto 2015 ), amylase (Zhang et al 2017 ), phytase (Sapna and Singh 2017 ) and cellulase (Takashima et al 1998 ). Among these, the neutral protease is the most important and widely used enzyme.…”
Section: Introductionmentioning
confidence: 99%
“…Aspergillus spp., especially A. oryzae , are the microorganisms predominantly utilized during the fermentation process of broad beans (Vishwanatha et al 2009 ). They produce a diverse array of enzymes, such as protease (Murthy and Kusumoto 2015 ), amylase (Zhang et al 2017 ), phytase (Sapna and Singh 2017 ) and cellulase (Takashima et al 1998 ). Among these, the neutral protease is the most important and widely used enzyme.…”
Section: Introductionmentioning
confidence: 99%
“…Phytase was assayed by determining the amount of inorganic phosphorus released using calcium phytate (Sapna and Singh 2013, 2015, 2017. The amount of free phosphate released was determined according to Fiske and Subbarow (1925).…”
Section: Analytical Procedures and Enzyme Assaysmentioning
confidence: 99%
“…Dessa forma, fica claro que grande parte das fitases descritas até o momento são fortemente inibidas por ferro, zinco e cobre. No entanto, não se sabe se esse efeito inibitório é resultado da formação de um complexo insolúvel resultante da ligação do fitato com esses íons metálicos e consequente, redução na concentração do ácido fítico disponível para a enzima, ou se resulta da ligação desses íons diretamente com a enzima (SINGH;SATYANARAYNA, 2009;MONTEIRO, 2011;TAN et al, 2016;HALLAJI et al, 2019 (FUNGTHONG et al, 2010;MONTEIRO et al, 2015;TAN et al, 2016;SAPNA et al, 2017, AJITH et al, 2019VILLAMIZAR et al, 2019a) SATYANARAYAMA, 2009;MONTEIRO et al, 2015, VILLAMIZAR et al, 2019a FUGTHONG et al, 2010;VILLAMIZAR et al, 2019a). No entanto, Monteiro et al (2015) SATO, 2015;SAPNA et al, 2017).…”
Section: Mg 2+unclassified
“…No entanto, essa única característica não é suficiente para caracterizar uma fitase. (ZHANG et al, 2010;MONTEIRO et al, 2015;VILLAMIZAR et al, 2019b A atividade específica da MtPhy (954,8 U/mg) foi bastante superior a de várias outras fitases descritas na literatura, de diferentes fungos, cujas atividades específicas variaram de 10,3 a 303,7 U/mg (WYSS et al, 1999;AZEKE et al, 2011;GUNASHREE;VENKATESWARAN, 2015;SAPNA;SINGH, 2017;TANG et al, 2018;SANNI et al, 2019). Isso demonstra grande afinidade da enzima MtPhy ao substrato fitato de sódio.…”
Section: Mg 2+unclassified
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