增加白面粉和面包中的纤维:对健康和加工的影响
Peter R Shewry1, Edward J M Joy1,2, Lucia Segovia De La Revilla2
1Rothamsted Research, Harpenden, UK.
Nutrition bulletin
|October 31, 2023
概括
增加白面包中的食纤维提供了一种简单的策略,可以提高摄入量并改善健康. 这种方法利用小麦的遗传变异来提高纤维含量,而不会影响味道或质量.
科学领域:
- 农业科学 农业科学
- 人类营养人类营养
- 食品科学 食品科学 食品科学
背景情况:
- 全球饮食纤维摄入量低于推水平,尽管它对健康有好处.
- 谷物,特别是面包,是西方饮食中的重要食纤维来源.
- 白面包,尽管纤维含量较低,但在文化上仍然占主导地位,超过全谷物选择.
研究的目的:
- 研究白面包中增加食纤维的潜力,以改善公共卫生.
- 评估增强纤维含量对粉消化和葡萄糖释放的影响.
- 在不影响产品质量的情况下,探索小麦中用于纤维丰富的遗传变异.
主要方法:
- 建模英国的食品消费数据以预测纤维摄入量的变化.
- 利用体外研究来评估增加纤维的生理影响.
- 分析小麦的遗传变异,以有针对性的纤维增强.
主要成果:
- 白面粉纤维含量增加50%可以使每日摄入量增加1.04g (女性) 和1.41g (男性).
- 全谷物纤维含量增加20%也大大增加了摄入量.
- 实验室数据表明,白面包中增强的纤维减缓了粉的消化和葡萄糖的释放.
结论:
- 增加白面包的纤维含量是一个可行的策略,以增加人口水平的纤维摄入量.
- 麦子的基因改造为纤维丰富的主食提供了途径.
- 高纤维的白面包可能有助于更好的血糖控制.
相关概念视频
Fiber Reinforced Concrete
85
Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
85
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
338
Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
338
Atherosclerosis III: Management
11
Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
11
Microorganisms in Agriculture and Food industry
43
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
43
Plant Breeding and Biotechnology
19.0K
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
19.0K
Overview of Fungi
27
Fungi are a diverse group of eukaryotes more closely related to animals than other eukaryotes. Fungal cell walls comprise chitin, a polysaccharide that provides structural strength, and glucans, which contribute to flexibility and integrity. Other polysaccharides, such as mannans and galactosans, may supplement or replace chitin in some fungi. These adaptations, along with their preference for acidic environments and tolerance for high osmotic pressure, enable fungi to thrive in various...
27


