Research Article

Effect of Loquat Leaf Extract on Muscle Strength, Muscle Mass, and Muscle Function in Healthy Adults: A Randomized, Double-Blinded, and Placebo-Controlled Trial

Table 3

Comparison of the muscle mass and muscle function between the two groups.

VariablesGroupWeek 0Week 4Δ4-0 weeksPWeek 12Δ12-0 weeksP

ASM/height2, kg/m2LLE ()5.4 0.75.6 0.70.12 0.210.007 5.5 0.70.02 0.210.662
Placebo ()5.9 1.16.0 1.20.13 0.330.047 5.9 1.10.02 0.210.567
P0.841 P0.924

ASM/weight × 100, %LLE ()24.7 3.025.1 2.90.42 0.910.025 24.8 3.10.06 0.920.723
Placebo ()25.9 3.826.5 4.30.57 1.50.058 26.0 3.90.07 0.910.691
P0.651 P0.976

Trunk fat percent, %LLE ()32.5 5.931.1 5.1−1.41 2.490.007 31.3 5.4−1.24 1.62<0.001
Placebo ()30.7 5.429.7 6.0−1.03 2.310.028 30.2 5.2−0.54 1.70.112
P0.561 P0.125

Total fat percent, %LLE ()34.1 5.033.0 4.8−1.03 1.690.004 33.2 4.8−0.86 1.11<0.001
Placebo ()32.1 6.031.0 6.5−1.09 1.780.004 31.3 5.9−0.74 1.290.006
P0.907 P0.736

SPPB (balance), scoreLLE ()4.0 0.24.0 00.04 0.190.327 4.0 00.04 0.190.327
Placebo ()4.0 04.0 0.2−0.04 0.190.327 4.0 00 0NA
P0.163 P0.322

SPPB (4 m gait speed), sLLE ()2.3 0.32.2 0.3−0.07 0.290.1972.1 0.3−0.14 0.290.017
Placebo ()2.2 0.32.2 0.3−0.04 0.310.5372.1 0.3−0.11 0.270.033
P0.651P0.699

SPPB (chair-rising time), sLLE ()10.4 2.68.6 1.9−1.84 2.49<0.001 7.9 1.7−2.51 2.23<0.001
Placebo ()10.5 3.28.3 2.2−2.21 2.03<0.001 7.7 2.3−2.76 2.05<0.001
P0.548P0.672

ASM: appendicular skeletal muscle; LLE: loquat leaf extract; SPPB: short physical performance battery; NA: not applicable.
Data are expressed as mean SD.
P > 0.05 by two-sample test.
Paired -test for within-group.
Two-sample test between groups for comparison of the difference from baseline.