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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Clin Nutr. 2020 Oct 10;40(4):2270–2277. doi: 10.1016/j.clnu.2020.10.010

Figure 4:

Figure 4:

15N-spirulina degradation ratio, an indicator of protein digestion and absorption, was lower in Chronic Obstructive Pulmonary Disease (COPD) patients compared to healthy controls (A; nHealthy=16; nCOPD=21). Protein digestion and absorption was reduced to a greater extent in patients with higher dyspnea grades (B; n1–2=11; n3–4=10) and presence of exacerbation(s) in the past year (C; nno=8; nyes=13). Data are presented as means (SEM). mMRC: modified British Medical Research Council Questionnaire.