Table 5 The monitoring technology and process indicators of EP

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]