Table 2.

Changes in the weight of dust-exposed rats over the course of the experimental period (unit: g).

Treatment	10 days before silica exposure	2 days after treatment	9 days after treatment	16 days after treatment	23 days after treatment
Chinese herbal kombucha	164.0 ± 7.1	202.8 ± 13.9∆∆	225.1 ± 18.9	240.1 ± 24.8	253.1 ± 29.3
Kombucha	163.6 ± 6.8	197.1 ± 11.2∆∆	222.4 ± 17.9∆	238.1 ± 22.0	249.8 ± 29.0
Tetrandrine	164.87 ± 6.2	203.6 ± 12.8∆∆	231.7 ± 19.4	246.6 ± 30.0	259.4 ± 32.3
Positive control	165.6 ± 5.9	200.5 ± 12.6∆∆	220.8 ± 19.0∆	237.2 ± 23.6	248.4 ± 26.7
Negative control	164.7 ± 6.6	217.7 ± 17.8	234.2 ± 23.8	248.7 ± 29.0	263.2 ± 31.1

^∆Value is significantly different to that for the negative control group (P < 0.05).

^∆∆Value is significantly different to that for the negative control group (P < 0.01).