Caprine frozen yoghurt produced with fresh and spray dried jambolan fruit pulp (Eugenia jambolana Lam) and bifidobacterium animalis subsp. lactis BI-07
The present study investigated four experimental groups of caprine frozen yoghurt produced with the addition of fresh and spray dried jambolan fruit pulp (Eugenia jambolana Lam) and the probiotic strain Bifidobacterium animalis subsp. lactis BI-07. The physicochemical characteristics, overrun, meltd...
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| Principais autores: | , , , |
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| Formato: | article |
| Idioma: | English |
| Publicado em: |
Elsevier
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| Assuntos: | |
| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/45391 |
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| Resumo: | The present study investigated four experimental groups of caprine frozen yoghurt produced with the addition of fresh and spray dried jambolan fruit pulp (Eugenia jambolana Lam) and the probiotic strain Bifidobacterium animalis subsp. lactis BI-07. The physicochemical characteristics, overrun, meltdown test, selected bioactive-related attributes, besides the survival of added probiotic bacteria during the frozen storage and the sensory acceptance of the products were investigated. The probiotic addition decreased the pH of frozen yoghurt samples (P < 0.05) and low overrun values (14.2–22.6%) were observed for all samples. Higher phenolic content for samples with the probiotic strain was observed (P < 0.05), which suggests a possible biotransformation that would lead to enhanced phytochemical level. The frozen yoghurt samples with probiotic presented high initial cell counts (approx. 9 log CFU/g) and an outstanding probiotic survival rate (97%) was observed throughout the 90 days of frozen storage. Frozen yoghurt samples with probiotic bacteria received significantly lower flavor scores (P < 0.05), and similar results were obtained for appearance, aroma and consistency among frozen yoghurt samples. Overall, the caprine frozen yoghurt enriched with jambolan fruit proved to be an efficient carrier for B. animalis subsp. lactis BI-07 and presented desirable bioactive and technological attributes |
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