sushi said:
wdlove, question for you. I wonder which has more caffine in it -- Mountain Dew or American Coffee?
Thanks!
Sushi
The Chemistry of Caffeine and related products
How much caffeine is there in [drink/food/pill]?
According to the National Soft Drink Association, the following is the caffeine content in mgs per 12 oz can of soda:
Afri-Cola 100.0 (?)
Red Bull 80 (per 250 ml)
Jolt 71.2
Sugar-Free Mr. Pibb 58.8
Pepsi One 55.5
Mountain Dew 55.0 (no caffeine in Canada)
Diet Mountain Dew 55.0
Kick citrus 54 (36mg per 8oz can, caffeine from guarana)
Mello Yellow 52.8
Surge 51.0
Tab 46.8
Battery energy drink -- 140mg/l = 46.7mg/can
Coca-Cola 45.6
Shasta Cola 44.4
Shasta Cherry Cola 44.4
Shasta Diet Cola 44.4
Mr. Pibb 40.8
OK Soda 40.5
Sunkist orange 40
Dr. Pepper 39.6
Storm 38
Big Red 38
Pepsi Cola 37.2
Aspen 36.0
Diet Pepsi 35.4
RC Cola 36.0
Diet RC 36.0
Canada Dry Cola 30.0
Barq's Root Beer 23
Canada Dry Diet Cola 1.2
7 Up 0
Diet Rite Cola 0
Sprite 0
Mug Root Beer 0
Diet Barq's Root Beer 0
Sundrop Orange 0
Minute Maid Orange 0
A & W Root Beer 0
Krank2o sample 1 97.7mg/500ml sample 2 101.6mg/500ml
Lab: Ameritech Labs, College Pt, NY; tested Sep 03, 96
Krank2o middle 96.4mg/500ml
Lab: Ameritech Labs, tested Aug 29, 96
By means of comparison, a 7 oz cup of coffee has the following caffeine (mg) amounts, according to Bunker and McWilliams in J. Am. Diet. 74:28-32, 1979:
Drip 115-175
Espresso 100mg of caffeine
1 serving (1.5-2oz)
Brewed 80-135
Instant 65-100
Decaf, brewed 3-4
Decaf, instant 2-3
Tea, iced (12 ozs.) 70
Tea, brewed, imported 60
Tea, brewed, U.S. 40
Tea, instant 30
Mate 25-150mg
The variability in the amount of caffeine in a cup of coffee or tea is relatively large even if prepared by the same person using the same equipment and ingredients day after day.