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Table 5 The monitoring technology and process indicators of EP

From: Research progress on the ethanol precipitation process of traditional Chinese medicine

Medicinal materials or compound preparations Detection technology Monitoring indexes References
Danshen NIR The concentration of danshensu and protocatechualdehyde, and total solid content [137]
Danshen NIR The concentration of six active components such as danshensu, solid content, scores of the first principal component, Hotelling T2, squared prediction error [138]
Rukuaxiaopian NIR The concentration of danshensu and hesperidin [139]
Danshen NIR Tannin concentration [140]
Danshen NIR Scores of the first principal component, Hotelling T2, squared prediction error [141]
Cinobufacini NIR Indole alkaloids concentration [142]
Lonicerae Japonicae NIR Hotelling T2, squared prediction error [143]
Lonicerae Japonicae NIR Chlorogenic acid concentration [144]
Lonicerae Japonicae NIR Chlorogenic acid concentration [145]
Danhong Injection NIR Solid content and concentration of five active components such as danshensu [146]
Reduning Injection NIR The concentration of four active components such as neochlorogenic acid [147]
Reduning Injection NIR The concentration of chlorogenic acid and solid content [148]
Shenzhiling Oral Solution NIR The concentration of six active components such as paeoniflorin [149]
Dangshen NIR The concentration of lobetyolin, total flavonoids, pigments, and total solid contents [150]
Astragali Radix NIR Scores of the first principal component, Hotelling T2, squared prediction error, the concentration of six active components, and total solid content [151]
Danshen NIR The concentration of glucose, fructose, and sucrose [152]