X-Message-Number: 24543
Date: Sat, 21 Aug 2004 11:28:02 -0700 (PDT)
From: Doug Skrecky <>
Subject: 148'th update on fly longevity experiments

     This is the 148'th update of my fly longevity experiments. Average
 temperature was 25.7 C during this run. Estimated maximal longevity using
 the formula (363 - T*11.2) is 75 days.
     In this run I retest marmite, and try a purple sweet potato product
 called Ube powder.
     Despite offering an advantage earlier, this time marmite turned out
 to be a dud. However this time the marmite was from an open jar, so
 perhaps only fresh marmite is protective.
     Unexpectedly Ube powder turned out to be inactive. Again, perhaps
 it is only fresh purple sweet potato that is protective.

 Run #148                    Percent Survival on Day
 supplement            7   12  17  22  27 39 48 54 60 65 70
 __________________________________________________________
 control one          100 100 100 100 100 78 38 34 19 13  0
 control two          100  96  96  93  89 56 22 19 11  0  -
 marmite 1/4 tsp      100 100 100  84  77 61 36 16  7  0  -
 marmite 1/4 tsp      100  97  97  90  77 40 13  3  0  -  -
 Ube powder 1/4 tsp    97  91  91  91  84 69 47 22  6  0  -
 Ube powder 1/2 tsp   100 100 100  94  91 72 31 13  6  0  -
 Ube powder 1 tsp     100 100 100 100 100 73 39 15  4  0  -
 Ube powder 2 tsp     100  97  97  88  88 69 38 28 16  3  0
 red sweet potato 5%  100 100 100 100  91 82 52 39 18  3  0
 red sweet potato 20% 100 100 100  96  92 52 24 16  8  0  -

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