优质可可品种 Scavina 的发酵:使用发酵起始酵母对标准质量的影响。

Fermentation in fine cocoa type Scavina: Change in standard quality as the effect of use of starters yeast in fermentation.

机构信息

Departamento de Alimentos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Av. Presidente Antônio Carlos, 6627, São Luiz, Belo Horizonte, MG 31270-901, Brazil.

Departamento de Ciências Biológicas, PPGBBM, Universidade Estadual de Santa Cruz, Rod. BR 415, Km 16, Ilhéus, BA 45650-000, Brazil; Instituto de Biodiversidade e Florestas, Universidade Federal do Oeste do Pará, Rua Vera Paz, Salé, Santarém, PA 68035-110, Brazil.

出版信息

Food Chem. 2020 Oct 30;328:127110. doi: 10.1016/j.foodchem.2020.127110. Epub 2020 May 21.

Abstract

In the present work we aimed to demonstrate the influence of inoculum starter in support high quality fermentation. Cocoa fermentations were performed in wooden boxes and eight yeasts strains were used in separated fermentations of fine cocoa, type Scavina, as starter inoculum. Temperature, pH, titirable acidity, reducing sugar and free amino acids were evaluated during or after fermentation. The influence of starters yeasts on the decrease of acidity, sugar concentration and free amino acids was significant. The strains Candida parapsilosis, Torulaspora delbrueckii and Pichia kluyveri showed greater changes in the reducing sugar and free amino acids in fermented cocoa beans. These results indicate the ability of yeast used as inoculum starter to modify the end condition and further enhance the quality of fine cocoa beans.

摘要

在本工作中,我们旨在展示接种物起始培养物对高质量发酵的影响。在木制箱子中进行可可发酵,使用 8 株酵母菌株在 Scavina 型细可可的单独发酵中作为起始接种物。在发酵过程中或之后评估温度、pH 值、可滴定酸度、还原糖和游离氨基酸。起始酵母对酸度、糖浓度和游离氨基酸降低的影响是显著的。菌株近平滑假丝酵母、德巴利氏酵母和克鲁维毕赤酵母在发酵可可豆中对还原糖和游离氨基酸的变化更大。这些结果表明,用作接种物起始培养物的酵母具有改变最终条件的能力,并进一步提高细可可豆的质量。

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