Research Article
Effects of Dimethylaminoethanol and Compound Amino Acid on D-Galactose Induced Skin Aging Model of Rat
Table 1
Experiment design (NS: 0.9% sodium chloride; AA: 3.48% compound amino acid; DMAE: dimethylaminoethanol).
| | Group number | Pretreatment (D-galactose, 6 weeks) | Microinjection (once a week, 4 weeks) | Size () |
| Aging groups | 1 | 125 mg/kg·d | Negative control | 10 | 2 | 125 mg/kg·d | NS | 10 | 3 | 125 mg/kg·d | AA | 10 | 4 | 125 mg/kg·d | 0.1% DMAE | 10 | 5 | 125 mg/kg·d | 0.2% DMAE | 10 | 6 | 125 mg/kg·d | 0.1% DMAE + AA | 10 | 7 | 125 mg/kg·d | 0.2% DMAE + AA | 10 |
| Sham control | 8 | | | 10 |
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