The proposed changes, which would go into effect in January 2014, are intended to generate $2 billion in incremental annual revenue for the Postal Service. Highlights of the new single-piece First-Class Mail pricing, effective Jan. 26, 2014 include: Letters (1 oz.) â 3-cent increase to 49 cents.
Molecular structure of stevioside. Steviol glycosides are the chemical compounds responsible for the sweet taste of the leaves of the South American plant Stevia rebaudiana (Asteraceae), and the main ingredients (or precursors) of many sweeteners marketed under the generic name stevia and several trade names.he acceptable daily intake (ADI) for steviol glycosides, expressed as steviol equivalents, has been established to be 4 mg/kg body weight/day.
Due to consumer demands for more organic and less processed products, natural sweeteners such as stevia, agave nectar and sugar alcohols have recently claimed the spotlight. Stevia. Stevia is a plant native to Central and South America that has been consumed outside the United States for over 200 years. The steviol glycosides are the sweetest portion of the plant. When isolated and purified, the steviol glycosides are 250 times sweeter than sugar.