Table 1.

Average percent recovery of vanillin obtained at different temperatures after heating.

Temperature	15 min		60 min
(°C)	% Recovery	% RSD a	% Recovery	% RSD a
100	97	5	93	6
150	103	5	98	2
200	97	2	99	2
250	99	1	95	2

^a Based on triplicate measurements.