Modeling of calcium chloride and pectin methylesterase prefreezing treatments of strawberries and jams

Marjaana Suutarinen (Corresponding Author), Kaisu Honkapää, Raija-Liisa Heiniö, Annikka Mustranta, Helena Liukkonen-Lilja, Mirja Mokkila

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)

Abstract

Different calcium chloride (CaCl2) and pectin methylesterase (PME) prefreezing treatments in a vacuum were used to clarify the most effective prefreezing factors for strawberries and traditional jams. Fractional factorial design and modeling were used. CaCl2 had the greatest effect on the majority of the 15 studied responses (p < 0.001). The pretreatment time should be short (about 5 to 10 min), the temperature low (less than 20 °C), the vacuum level high (pressure less than 10 kPa), the CaCl2 concentration moderate (about 1%) and the dosage of PME comparatively low (about 50 to 100 nkat/g) in order to yield high quality frozen strawberries for jam making.
Original languageEnglish
Pages (from-to)1240-1248
JournalJournal of Food Science
Volume67
Issue number3
DOIs
Publication statusPublished - 2002
MoE publication typeA1 Journal article-refereed

Fingerprint

Fragaria
Calcium Chloride
jams
pectinesterase
Vacuum
calcium chloride
strawberries
Pressure
Temperature
pretreatment
dosage
temperature

Keywords

  • modeling
  • CaCl2
  • PME
  • prefreezing
  • strawberry jam

Cite this

Suutarinen, Marjaana ; Honkapää, Kaisu ; Heiniö, Raija-Liisa ; Mustranta, Annikka ; Liukkonen-Lilja, Helena ; Mokkila, Mirja. / Modeling of calcium chloride and pectin methylesterase prefreezing treatments of strawberries and jams. In: Journal of Food Science. 2002 ; Vol. 67, No. 3. pp. 1240-1248.
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Modeling of calcium chloride and pectin methylesterase prefreezing treatments of strawberries and jams. / Suutarinen, Marjaana (Corresponding Author); Honkapää, Kaisu; Heiniö, Raija-Liisa; Mustranta, Annikka; Liukkonen-Lilja, Helena; Mokkila, Mirja.

In: Journal of Food Science, Vol. 67, No. 3, 2002, p. 1240-1248.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Modeling of calcium chloride and pectin methylesterase prefreezing treatments of strawberries and jams

AU - Suutarinen, Marjaana

AU - Honkapää, Kaisu

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AU - Liukkonen-Lilja, Helena

AU - Mokkila, Mirja

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AB - Different calcium chloride (CaCl2) and pectin methylesterase (PME) prefreezing treatments in a vacuum were used to clarify the most effective prefreezing factors for strawberries and traditional jams. Fractional factorial design and modeling were used. CaCl2 had the greatest effect on the majority of the 15 studied responses (p < 0.001). The pretreatment time should be short (about 5 to 10 min), the temperature low (less than 20 °C), the vacuum level high (pressure less than 10 kPa), the CaCl2 concentration moderate (about 1%) and the dosage of PME comparatively low (about 50 to 100 nkat/g) in order to yield high quality frozen strawberries for jam making.

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