Study on Masking the Bitterness of Chinese Medicine Decoction-Mate

Table 1

Bitterness grades and mass concentration of corresponding reference solution.

No.	Description of intensity of bitterness	Rank assigned	Corresponding scale	Conc of corresponding reference samples
1	Imperceptible	I	[0.5–1.5)	0 mg·mL^−1
2	Slight	II	[1.5–2.5)	0.01 mg·mL^−1
3	Moderate	III	[2.5–3.5)	0.05 mg·mL^−1
4	High (but still acceptable)	IV	[3.5–4.5)	0.10 mg·mL^−1
5	Extreme (almost acceptable)	V	[4.5–5.5]	0.50 mg·mL^−1