Following are some articles (in pdf format), providing general information on food additives and their role in a balanced, healthy diet.

Additive numbers list
(supplied by FSANZ)
Aspartame Fact Sheet
from the ADA
Aspartame - Good
News
Aspartame - Everything
You Need To Know
Food Additives
Frequent
Consumption of Sugar-Sweetened Beverages
Innova Taps Trans Fat-Free Vegetable
Oil Demand
Low Calorie
Sweeteners and Their Role in Healthy Eating
Myths and Facts About
Processed Foods
Sugar Alcohols Fact Sheet
Sweeteners - An IFIC
Review