Use of specific fractions of vegetable fats (more homogenous)
increased bloom resistance in compound coatings
in a similar way as with CB in chocolates. A 10% increase
of trilaurin content of lauric hard butter (CBS) decreased
the induction time of bloom, whereas a 10% addition of
dilaurinmonocaprin delayed bloom [107]. For Noorden
[66], the more fractionated the lauric butter and the lower
the concentration of long-chain saturated fatty acids, the
smaller the risk of bloom.
Williams et al. and Ransom-Painter et al. [39, 52] found
that compound coatings made with fractionated PKO
(FPKO) were more resistant to blooming than those
made with fractionated hydrogenated PKO (FHPKO).
This may be related to the solid fat content of the two
fats, since in these studies, bloom rate was inversely correlated
to the solid fat content of the fat at 25 7C. That is,
coatings made from fats that had lower solid fat content
seemed to be more resistant to bloom formation.
Use of specific fractions of vegetable fats (more homogenous)increased bloom resistance in compound coatingsin a similar way as with CB in chocolates. A 10% increaseof trilaurin content of lauric hard butter (CBS) decreasedthe induction time of bloom, whereas a 10% addition ofdilaurinmonocaprin delayed bloom [107]. For Noorden[66], the more fractionated the lauric butter and the lowerthe concentration of long-chain saturated fatty acids, thesmaller the risk of bloom.Williams et al. and Ransom-Painter et al. [39, 52] foundthat compound coatings made with fractionated PKO(FPKO) were more resistant to blooming than thosemade with fractionated hydrogenated PKO (FHPKO).This may be related to the solid fat content of the twofats, since in these studies, bloom rate was inversely correlatedto the solid fat content of the fat at 25 7C. That is,coatings made from fats that had lower solid fat contentseemed to be more resistant to bloom formation.
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