| Royal
jelly has the following composition: Moisture
66.05%, protein 12.34%, total lipids
5.46%, total reducing substances 12.49%, Ash .62%.
Undetermined 2.84%. Royal jelly is a good source
of Vitamin B1, 1.0 to 1.5 International Units
per Gram. No demonstrable amount of Vitamin A,
Vitamin C or Vitamin E is present.
Royal jelly has been separated into four major
fractions. Fraction 1 is either soluble material
which consists of an organic acid (phenolic
material and beeswax, sterol, phospholipin and
a saponifiable substance). Fraction 2, water
soluble and dialysable, the largest fraction,
is
about 50% sugar and unidentified acid inorganic
salts and nitrogen compounds. Fraction 3,
water soluble, non-dialysable, is protein in
nature. This includes aspartic acid, arginine
and
tyrosine, trytophan and histidine. Fraction
4, water insoluble in a protein, soluble only
in
alkali. It is believed to be tyrosine, trytophan
and arginine.
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