1.   The yeast must be pure, or the stars would be poisoned.

2.   Whether the yeast could ever be as abundant as this is open to question.

3.   Yeast is essential for the fermentation that produces alcohol.

4.   At issue is Chinese red yeast sold in this country by Pharmanex under the name Cholestin to lower cholesterol.

5.   At issue is Chinese red yeast sold here by Pharmanex under the name Cholestin to lower cholesterol.

6.   But the yeasts are different, and those yeasts are at the heart of Belgian brewing.

7.   Edible yeasts, which also make beer and wine, synthesize protein, vitamins and enzymes, and dried yeast is highly nutritious.

8.   He said the yeast may be ready for sale to wineries in as little as two years.

9.   If nothing happens, the yeast is old and should be discarded.

10.   Mixture should bubble if yeast is active.