Analysis of Organic Acids in Sake (Japanese Rice Wine) (KC-811)

Four types of sake are analyzed using RSpak KC-811. In this application, differences were observed in the total quantity and composition of organic acids. the differences are thought to reflect the production methods and flavours.

Sample: 100 µL
Sake (Japanese rice wine)

  1. 1.Phosphoric acid
  2. 2.Citric acid
  3. 3.Pyruvic acid
  4. 4.Malic acid
  5. 5.Succinic acid
  6. 6.Lactic acid
  7. 7.Fumaric acid
  8. 8.Acetic acid
  9. 9.Pyroglutamic acid

 

Column
Shodex RSpak KC-G 8B (8.0 mm I.D. x 50 mm) + KC-811 (8.0 mm I.D. x 300 mm) x 2
Eluent
4.8 mM HClO4 aq.
Flow rate
(Eluent); 1.0 mL/min, (Reagent); 1.1 mL/min
Detector
VIS (430 nm) *Post column method
Column temp.
63 ℃

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