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Caffeine content of Nespresso® pod coffee

Ben Desbrow, Susan Hall, Christopher Irwin
Nutrition and Health 2019, 25 (1): 3-7

BACKGROUND: Little independent information on the caffeine content of the popular Nespresso® coffee pod range exists.

AIM: To quantify the caffeine content of Nespresso® pod coffees.

METHODS: Initially, three serves (ristretto (S), espresso (M), lungo (L)) of two pod varieties (Livanto and Roma) were prepared on three different Nespresso® machines (2 × U-Delonghi (1 × 5 years since purchase (old), 1 × recently purchased (new)), 1 × new Lattissima Pro (alternate)) using two different batches (sleeves). Caffeine content was then determined via triplicate samples using high-performance liquid chromatography. Differences in content (i.e. serve size, machine or sleeve) were determined via an analysis of variance or paired sample t-tests.

RESULTS: Coffees prepared on different machines or pods from different sleeves did not influence the caffeine content (old = 63 ± 13, new = 60 ± 8, alternate = 60 ± 10 mg·serve-1 ; p = 0.537, sleeveA = 63 ± 11, sleeveB = 59 ± 9 mg·serve-1 ; p = 0.134). Less caffeine was delivered in S (51 ± 7 mg·serve-1 ) compared to larger sizes (M = 66 ± 7 and L = 66 ± 10 mg·serve-1 ). Subsequently, the caffeine content from two serve sizes (S and L) from 17 other varieties within the Nespresso® range was determined and compared to the manufacturer's values. Caffeine content (all pods) ranged from 19 to 147 mg·serve-1 , and represented 51-162% of manufacturer's values.

CONCLUSION: Nespresso® consumers are exposed to variable amounts of caffeine, which often differ from the manufacturer's reports.


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