Brand & Co.'s Extractum Carnis 17.85 0.38 4.56 -- 1.81
Brand & Co.'s Meat Juice 55.48 0.10 0.69 1.00 --
Brand & Co.'s Essence of Beef 89.68 0.06 5.12 -- --
Valentine's Meat juice 55.53 0.10 0.75 0.25 --
Bovril Company's Fluid Beef 28.34 1.02 3.81 -- 5.37
Bovril for Invalids 24.34 1.07 4.56 -- 5.87

Albu- Pep- Meat
moses. tones. Bases. Ash.
Liebig Co.'s Extractum Carnis 2.01 8.06 39.32 23.51
Armour's Extract of Meat 1.75 5.13 41.12 29.36
Brand & Co.'s Extractum Carnis 4.19 10.16 38.90 18.80
Brand & Co.'s Meat Juice 1.06 2.50 12.50 11.06
Brand & Co.'s Essence of Beef 0.19 0.57 3.43 1.00
Valentine's Meat juice 2.00 2.87 12.48 12.01
Bovril Company's Fluid Beef 8.38 13.18 19.38 17.67
Bovril for Invalids 5.56 6.44 34.07 16.50

Some of the "Liebig's Extract of Meat" so called, contains yeast extract;
some even, is almost entirely, if not altogether made from yeast. The
latter can be manufactured at a very low cost from brewers' and
distillers' waste products, and there is a strong incentive for
unscrupulous dealers to substitute it secretly. Artificial meat extracts
prepared from yeast have the appearance and taste of meat extracts, but
some, at least, have a considerably sharper flavour. In one method of
manufacture common salt is added, and this renders it unfit for use in
more than very small quantities as a flavouring. J. Graff has made
analyses of ten yeast extracts, and contrasted them with meat extracts
(see _Analyst_ 1904, page 194), and says, "It will be seen that the
chemical composition of yeast extract does not greatly differ from that of