The SCFA production (rat and pattern, as all other fibre-mediated physiological effects, varies in wide limits depending on the fibre source and its botanical, physical and chemical structure.

• 象所有膳食纤维有关的生理作用一样，短链脂肪酸的产生(速度和方式)也有很大的不同，这是因为膳食纤维的来源以及植物学的、物理学的和化学的结构不同。