Difference between revisions of "Extraction Method"

Latest revision as of 14:55, 20 September 2016

Freeze green coffee beans with liquid nitrogen to minimize degradation of the chlorogenic acid.

Crush 100 bean lots in a ball mill for 15 mins.

Add 1g of green coffee bean powder to 250ml erlenmeyer with 100ml methanol/water 70/30 mixture with .5% Na₂SO₃.

Shake the flask over night at 4°C and 125 rpm

Filter through cotton

@@ Line 5: / Line 5: @@
 Crush 100 bean lots in a [[Ball_mill|ball mill]] for 15 mins.
-Add 1g of green coffee bean powder to a 100ml methanol/water 70/30 mixture with .5% Na<sub>2</sub>SO<sub>3</sub>
+Add 1g of green coffee bean powder to 250ml erlenmeyer with 100ml methanol/water 70/30 mixture with .5% Na<sub>2</sub>SO<sub>3</sub>.
+Shake the flask over night at 4°C and 125 rpm
+Filter through cotton