2017
DOI: 10.1111/1471-0307.12455
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Lactose crystallisation in concentrated whey: the influence of vat type

Abstract: This work aimed to describe the rate of lactose crystallisation in concentrated whey carried out using two different crystallisers, utilising central or lateral stirring. The lactose crystallisation rate differed between treatments, showing high values with use of the central stirrer. Under the experimental conditions, after 4 h of crystallisation, in neither of the vats was 70% lactose crystallisation achieved. With the standardised conditions applied in this study, with soluble solids, time, and stirring and… Show more

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Cited by 5 publications
(3 citation statements)
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“…The salt also promoted an average lactose crystal size reduction (noticed from T90), as shown in Figure 2 and Table 1. The smaller average size of the lactose crystals favors the whey drying process especially when it is in the range of 30 μm and 50 μm (Simeão et al 2017). Crystals larger than 50 μm were found at the end of crystallization for the control treatment.…”
Section: Resultsmentioning
confidence: 99%
“…The salt also promoted an average lactose crystal size reduction (noticed from T90), as shown in Figure 2 and Table 1. The smaller average size of the lactose crystals favors the whey drying process especially when it is in the range of 30 μm and 50 μm (Simeão et al 2017). Crystals larger than 50 μm were found at the end of crystallization for the control treatment.…”
Section: Resultsmentioning
confidence: 99%
“…A primeira região compreendida entre 2980 cm -1 e 2880 cm -1 foi atribuída a modos vibracionais relacionados ao grupamento CH presente em estruturas aromáticas e alifáticas. A segunda região localizada entre 1120 cm -1 e 850 cm -1 , possui diversos modos vibracionais destacando os modos acoplados υ(CO) + υ(CC) + δ (COH) e υ(COC) + δ (COH) + υ(CO) (STEPHANI et al;. Assim, o uso da técnica de espectroscopia Raman permitiu a caracterização dos materiais analisados.…”
Section: Wpc3unclassified
“…A cristalização deve ocorrer pela inserção de microcristais de lactose e em seguida feito o resfriamento, em condições ajustadas, para que se possa evitar à formação de grandes cristais (PERRONE et al, 2019). A nucleação secundária deve ocorrer antes da cristalização espontânea da lactose, seguido pelo controle de temperatura e taxa de agitação, com a finalidade de se obter um produto de textura suave e homogênea (SIMEÃO, 2018).…”
Section: Introductionunclassified