2016
DOI: 10.1016/j.ijbiomac.2015.09.075
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Production of pullulan from raw potato starch hydrolysates by a new strain of Auerobasidium pullulans

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Cited by 30 publications
(13 citation statements)
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“…Production of pullulan at 36 g/L was reported by using potato starch and a marine cold-adapted amylase from Aureobasidium pullulans . Pullulan itself, including derivatives, is an important molecule in the food, cosmetic, and pharmaceutical industries (biomedical applications) due to structural flexibility of the interconnected α-(1-6) maltotriose units, reflecting in interesting properties (production of thin transparent films, oil resistance and impermeability to oxygen) [ 55 ].…”
Section: General Analysis Of Reference Materialsmentioning
confidence: 99%
“…Production of pullulan at 36 g/L was reported by using potato starch and a marine cold-adapted amylase from Aureobasidium pullulans . Pullulan itself, including derivatives, is an important molecule in the food, cosmetic, and pharmaceutical industries (biomedical applications) due to structural flexibility of the interconnected α-(1-6) maltotriose units, reflecting in interesting properties (production of thin transparent films, oil resistance and impermeability to oxygen) [ 55 ].…”
Section: General Analysis Of Reference Materialsmentioning
confidence: 99%
“…It consists of maltotriose repeating units further connected by α-(1→6) linkages. This particular linkage confers it a considerable solubility in water compared to other polysaccharides (Wu et al, 2016). However, A. pullulans strains are also associated with the formation of a pigment (melanin) actually unwanted in pullulan production process, requiring additional decolorization steps, thus making it an expensive choice (WU et al, 2009;RAVELLA et al, 2010).…”
Section: Production Of Sustainable Chemicals From Lignocellulosic Biomentioning
confidence: 99%
“…A síntese da pululana começa na fase de crescimento logarítmico tardio, promovida pela ausência ou redução dos nutrientes no meio de cultura, sendo na fase de crescimento estacionário onde ocorre a maior produção do exopolissacarídeo (GNIEWOSZ; DUSZKIEWICZ-REINHARD, 2008). Ainda não está claro por completo o mecanismo da biossíntese da pululana; no entanto, Duan et al (2008) sugeriram uma possível via metabólica, identificando três enzimas-chave (α-fosfoglicose mutase (EC 5.4.2.2), uridina difosfoglicose pirofosforilase -UDPG-pirofosforilase (EC 2.7.7.9) e glicosiltransferase (EC 2.4.1.34) para transformar glicose em pululana; além da glicose, este fungo pode utilizar outras fontes de carbono, como sacarose, frutose, manose, maltose, galactose e xilose, podendo ser cultivado em meio contendo hidrolisado das frações carboidrato dos materiais lignocelulósicos (CATLEY, 1971b;CHEN et al, 2014;WU et al, 2009aWU et al, , 2016. Neste caso, as enzimas hexoquinase e isomerase são as responsáveis pela conversão destas fontes de carbono a UDP-Glicose, um importante precursor da biossíntese da pululana (CATLEY; MCDOWELL, 1982).…”
Section: Biossíntese Da Pululana Por a Pullulansunclassified
“…Há, no entanto, outros trabalhos reportando o uso de fontes como açúcares presentes em hidrolisado amiláceo (GÖKSUNGUR; UZUNOĞULLARI; DAĞBAĞLI, 2011;HII et al, 2012;WU et al, 2016) Conforme pode ser observado na Tabela 3, diversos meios de cultivo têm sido utilizados na produção de pululana, incluindo tanto meios semissintéticos quanto fontes complexas.…”
Section: Fonte De Carbonounclassified
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