Table 4 The purities and recoveries of DAG in the three-step purification.

From: Purification of 3, 4-dihydroxyphenylethyl alcohol glycoside from Sargentodoxa cuneata (Oliv.) Rehd. et Wils. and its protective effects against DSS-induced colitis

Step

Purity (%)

Recovery (%)

Yield (mg)

Crude extract

5.06

—

—

HPD300 resin

23.69

94.17

559a

Subsided Ethyl acetate

39.20

89.19

4607.1b

SiliaSphere C18.

95.64

94.65

312.5c

  1. aThe amount of refined sample was obtained from 32.7 g of raw material by HPD300 resin.
  2. bThe amount of DAG was obtained from 8.55 g of refined sample of subsided ethyl acetate.
  3. cThe amount of DAG was obtained from 800 mg of refined sample of subsided ethyl acetate.
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