不同的小麦发芽条件对全麦面粉特征的影响
José Luis Navarro1, Pedro Losano Richard1, Malena Moiraghi1,2
1Institute of Food Science and Technology of Córdoba (ICYTAC), CONICET-UNC Valparaiso y Rogelio Martínez, 5000 Córdoba, Argentina.
Food technology and biotechnology
|July 24, 2024
概括
克莱因瓦勒小麦的受控发芽可以提高其营养价值和性质. 较温和的条件 (15-20°C) 优化发芽的全麦面粉,以改善带有清洁标签的制品.
科学领域:
- 食品科学 食品科学 食品科学
- 农业科学 农业科学
- 生物技术是生物技术.
背景情况:
- 全谷物的受控发芽为烤提供了营养和技术上的好处.
- 优化发芽条件是提高营养价值的关键,而不会影响质蛋白质.
研究的目的:
- 确定Klein Valor小麦 (Triticum aestivum L.) 的最佳发芽条件.
- 提高全麦面粉的营养价值和技术功能性质.
- 保持质蛋白质的完整性,用于制品.
主要方法:
- 评估未发芽和发芽的全麦面粉的化学成分,酶活性和粘合性能.
- 在不同的温度下 (15°C,20°C,25°C) 在24小时内比较发芽.
主要成果:
- 在25°C的发芽增加了酶活性 (α-氨酶,内氨酶,蛋白酶),影响了粉和蛋白质矩阵.
- 较温和的条件 (15-20°C) 产生了更高的自由氨基酸,化合物和抗氧化能力,具有较低的植物酸盐.
- 发芽的面粉显示了中度的α-氨酶和西兰酶激活,降低了峰值粘度和最小的蛋白质降解.
结论:
- 在温和的条件下,发芽的全麦面粉为制品提供了改善的营养和技术功能性质.
- 这种生物工艺为传统的面粉改良剂提供了清洁标签的替代品.
- 优化发芽面粉是更健康和消费者接受的制品的一个有希望的成分.
相关概念视频
01:18Dihybrid Crosses
Overview
02:27Trihybrid Crosses
Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal chance to...
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal chance to...
01:15Fineness of Cement
The fineness of cement directly influences the rate of hydration, as the hydration begins at the surface of the cement particles. In addition to hydration, the fineness of cement is vital for various properties of concrete including workability, gypsum requirement, and long-term behavior. The fineness of cement is represented in terms of the specific surface of cement which is typically measured in square meters per kilogram, with several methods available for this determination.
Direct...
Direct...
01:19Fineness Modulus
The fineness modulus (FM) of aggregate is a numerical index that measures the coarseness or fineness of the particles. It is calculated by adding the cumulative percentages of aggregate retained on each of a specified series of sieves and dividing the sum by 100.
Consider performing sieve analysis on sand through a set of ASTM sieves. The weight of aggregate retained in each sieve and pan placed at the bottom is recorded, as given in Column B of Table 1.
To determine the fineness modulus of...
Consider performing sieve analysis on sand through a set of ASTM sieves. The weight of aggregate retained in each sieve and pan placed at the bottom is recorded, as given in Column B of Table 1.
To determine the fineness modulus of...
01:28Methods of Medium Optimization
Optimizing growth media enhances microbial proliferation and maximizes product yield. Statistical experimental design methodologies provide structured and reproducible approaches, offering progressively higher levels of robustness and efficiency.The One-Factor-at-a-Time (OFAT) MethodThe One-Factor-at-a-Time (OFAT) method involves adjusting a single variable while keeping all others constant. However, it cannot detect interactions between variables, often leading to suboptimal outcomes when...