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Sweetness and textu...
Sweetness and texture perception in mixed pectin gels with 30% sugar and a designed rheology
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- Holm, Karin, 1978 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wendin, K. (författare)
- RISE,SIK – Institutet för livsmedel och bioteknik
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- Hermansson, Anne-Marie, 1945 (författare)
- RISE,SIK – Institutet för livsmedel och bioteknik
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(creator_code:org_t)
- Elsevier BV, 2009
- 2009
- Engelska.
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Ingår i: LWT - Food Science and Technology. - : Elsevier BV. - 1096-1127 .- 0023-6438. ; 42:3, s. 788-795
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Abstract
Ämnesord
Stäng
- Pure low-methoxyl (LM) pectin and mixtures of LM and high-methoxyl (HM) pectin in different ratios were used to produce gels with control over the theological parameter storage modulus (G'). The gels either had similar pectin concentrations and different G' values, or different pectin concentrations and similar G' values. All gels were prepared with 30 g/100 g sugar, in the presence of 0.1 g/100 g CaCl2, at pH 3.5; these are conditions that favour gel formation of both LM and HM pectin. The gels were compared for their sensory characteristics; specifically sweetness, sourness, thickness, and glueyness. Sweetness was found to increase with increasing storage modulus (G') in pectin gets of similar pectin concentration, but different G' values. Gels with higher proportions of LM pectin were perceived as sweeter than those with low LM pectin ratios. These gels also had increasing loss modulus (G ''), and increasing differences between G' and G '', which indicates that diffusion has a bearing on the perception of sweetness in pectin gels. Thickness and glueyness were mostly determined by total pectin concentration. Thickness also increased with increasing LM pectin concentration while glueyness increased with increasing HM pectin concentration.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Livsmedelsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Food Engineering (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Livsmedelsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Food Science (hsv//eng)
Nyckelord
- Sweetness
- taste interrelationships
- Gels
- hydrocolloids
- Texture
- mixtures
- sourness
- behavior
- sodium chloride
- sucrose
- citric-acid
- solutions
- Rheology
- perceived sweetness
- Pectin
- viscosity
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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