Available Carbohydrates Assay Kit (K-AVCHO) (2)

Why are there two options given in the assay protocol for the preparation of bottle 3 PAA/AMG in the Available Carbohydrates Assay Kit (K-AVCHO)?

In the Available Carbohydrates Assay Kit (K-AVCHO), is there a benefit of using a 0.5 g sample size (method 1) over the 1.0 g sample size (method 2)?