While the terms 'meta-analysis' (a statistical method to combine the results of primary studies), or sometimes 'narrative synthesis', are frequently used to describe how quantitative research is synthesised, far more terms are used to describe the synthesis of qualitative research.
If your question is asking about the equivalent of teaspoons of sugar for the number of grams of sugar a 12 fl oz can of Coca-Cola Classic, then the answer is approximately 10 teaspoons. One can of Coke has 39g of sugar and 1 teaspoon of sugar is the equivalent of 4g of sugar. Answer: approx 10 teaspoons.
It's easy to exceed those limits. With as many as 11 teaspoons (46.2 grams) of added sugar in one 12 oz. soda, a single serving is close to double most people's daily sugar allowance. But sugar also is pervasive in our food supply. A leading brand of yogurt, for example, has 7 teaspoons (29 grams) of total sugars in a single serving, most of it added.