2013
DOI: 10.1590/s0101-20612013005000022
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Encapsulated specialty oils commercialized in São Paulo state, Brazil: evaluation of identity (fatty acid profile) and compliance of fatty acids and Vitamin E contents with nutrition labeling

Abstract: Encapsulated specialty oils commercialized in São Paulo state, Brazil, were evaluated for their identity (fatty acids profile) and compliance with nutrition labeling (fatty acids and Vitamin E (alpha tocopherol) contents). Twenty one samples [flaxseed oil (6), evening primrose (5), safflower (8), borage (1), and black currant (1)] purchased from local markets or collected by the health surveillance agency were analyzed. The fatty acids and vitamin E contents were analyzed by gas chromatography with flame ioniz… Show more

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Cited by 11 publications
(7 citation statements)
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References 20 publications
(16 reference statements)
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“…Dilution and substitution of olive oil with refined olive oils and other vegetable oils, such as soybean oil, was the main fraud reported (Aued‐Pimentel, Silva, Takemoto, & Cano, ; Aued‐Pimentel, Takemoto, Kumagai, & Cano, ; Oliveira & Catharino, ; Silva, ; Aued‐Pimentel, Separovic, Silvestre, Kus Yamashita, & Takemoto, ; Tfouni et al ., ). Encapsulated specialty oils were also adulterated with other vegetable oils (Hirashima, Silva, Caruso, & Aued‐Pimentel, ; Silva, ; Silva, Torres, Almeida, & Sampaio, ). Aued‐Pimentel, Castro, Sousa, Amaral, and Abe‐Matsumoto () reported the addition of other vegetable oils to coconut oil.…”
Section: Discussionmentioning
confidence: 99%
“…Dilution and substitution of olive oil with refined olive oils and other vegetable oils, such as soybean oil, was the main fraud reported (Aued‐Pimentel, Silva, Takemoto, & Cano, ; Aued‐Pimentel, Takemoto, Kumagai, & Cano, ; Oliveira & Catharino, ; Silva, ; Aued‐Pimentel, Separovic, Silvestre, Kus Yamashita, & Takemoto, ; Tfouni et al ., ). Encapsulated specialty oils were also adulterated with other vegetable oils (Hirashima, Silva, Caruso, & Aued‐Pimentel, ; Silva, ; Silva, Torres, Almeida, & Sampaio, ). Aued‐Pimentel, Castro, Sousa, Amaral, and Abe‐Matsumoto () reported the addition of other vegetable oils to coconut oil.…”
Section: Discussionmentioning
confidence: 99%
“…Por exemplo, óleos vegetais obtidos por prensagem a frio possuem um rendimento no processo bem inferior quando comparados aos óleos extraídos com solventes e, por isso, possuem preços mais elevados e, desta forma, podem ser propícios à adulteração. Além disso, os óleos podem ser adicionados ou substituídos por outros de menor valor (ULBERTH e BUCHGRABER, 2000; ROHMAN e CHE MAN, 2012; AUED-PIMENTEL et al, 2013;EVERSTINE et al, 2013;HIRASHIMA et al, 2013;STANKOVA et al, 2013;SOUZA et al, 2015 (KUHNT et al, 2012). O GLA é um ácido graxo da série n-6 e precursor de AGE, pois está relacionado à síntese de ácido araquidônico (BALCH et al, 2003).…”
Section: Parâmetros De Identidade De óLeos Vegetaisunclassified
“…Os métodos oficiais recomendados pela Association of Official Analytical Chemistry (AOAC) e American Oil Chemists' Society (AOCS) utilizam como catalisador o trifluoreto de boro em metanol, o qual é tóxico, instável e pode formar produtos secundários (AOAC, 1969b(AOAC, , revisado em 2012AUED-PIMENTEL, 2007;AOCS, 2009b). Outros métodos têm sido propostos, que usam soluções preparadas com reagentes mais baratos e menos agressivos (BANNON et al, 1982; 33 INTRODUÇÃO IAL, 2005;HIRASHIMA et al, 2013). Para separação e quantificação dos EMAG usualmente utiliza-se cromatógrafo a gás (CG) com detector de ionização de chama (DIC).…”
Section: Parâmetros De Identidade De óLeos Vegetaisunclassified
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