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Table 1 The classification standard of TCM

From: Traditional Chinese medicine promotes bone regeneration in bone tissue engineering

Classification standard

Category

References

Shen Nong’s Materia Medica

Top-grade

[9]

Medium-grade

Low-grade

Compendium of Materia Medica (Ben Cao Gang Mu)

Sources, habitats, colors, parts of plants, and how they were collected, processed, and selected for prescriptions

[10]

Four fundamental characters: cold, cool, warm, and hot

[27]

Five fundamental tastes: salty, sour, bitter, sweet, and pungent

Four toxic states: toxic, nontoxic, very toxic, and slightly toxic

12 meridians: bladder, spleen, large intestine, stomach, small intestine, liver, cardiovascular, heart, kidney, gallbladder, pericardium and san jiao

Yellow Emperor’s Inner Canon

Herb-derived medicine, animal-derived medicine and mineral-derived medicine

[11, 12]

Treatise on Cold Damage

Chinese Pharmacopoeia

Active components

Alkaloids

[28,29,30]

Terpenoids

Flavonoids

Volatile Oils

Lignanoids

Coumarins

Quinones

Phenols

Glycosides

Saponins

Stilbenes

Phenols

Esters