剥皮,储存和发酵时间对加纳可可的发酵动力学和质量的影响
Stefanie Streule1, Amandine André1, Susette Freimüller Leischtfeld1
1ZHAW Zurich University of Applied Sciences, Institute of Food and Beverage Innovation, 8820 Wädenswil, Switzerland.
Foods (Basel, Switzerland)
|August 29, 2024
概括
机械剥皮可可豆可以去除17-20%的纸而不会损害豆的质量. 发酵动力学和液体感官概况不受影响,允许增加可可果的价值整合.
科学领域:
- 农业科学 农业科学
- 食品科学 食品科学 食品科学
- 生物技术是生物技术.
背景情况:
- 可可豆的质量受到收获后加工的影响,包括发酵.
- 优化发酵和纸管理对于最大限度地提高可可价值至关重要.
- 了解脱皮对发酵动态的影响对于行业实践至关重要.
研究的目的:
- 为了研究机械脱皮对可可豆发酵的影响.
- 评估储存时间和发酵时间对豆类和酒精品质的影响.
- 确定清除纸的可行性,以增强可可价值链.
主要方法:
- 实验设计有12种变化,包括脱皮,储存 (1-3天) 和发酵 (3-7天).
- 监测发酵的动态 (温度,pH).
- 评估干豆的质量 (切割试验,发酵指数) 和液体特征 (感官分析,关键的气味/味道).
主要成果:
- 17-20%的可可纸质的机械剥皮不会对豆质量产生负面影响.
- 在经过5-6天的发酵和1天的储存后,有或没有脱皮后,发酵良好的豆类 (49±9% vs. 48±12%) 没有显著差异.
- 来自脱皮豆的液体显示了减少的挥发性酸和,而没有改变感官特征.
结论:
- 机械剥皮是一种可行的策略,通过将纸纳入价值链来增加可可果的价值.
- 优化的脱皮和发酵 (5-6天,1天的储存) 保持了豆类和酒精的质量.
- 这种方法为可可生产者提供了一种可持续的方法,以提高产品的利用率.
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