[414] Forschungs-Berichte über Lebensmittel etc., Band 2, S. 368.

[415] Vid. op. cit. supra, Band 1, S. 422.

[416] Vid. op. cit. supra, S. 372.

[417] Hopkins and Powers; Bulletin No. 47, Division of Chemistry, U. S. Department of Agriculture, p. 127.

[418] Bulletin No. 38, Division of Chemistry, U. S. Department of Agriculture, p. 118.

[419] Becke; Die Milchprüfungs-Methoden, S. 45: Rouvier; Le Lait, p. 45.

[420] The Analyst, 1890, Vol. 16, p. 170.

[421] Rouvier; Le Lait, p. 35.

[422] Central-Blatt für Nahrungs und Genussmittel Chemie, Band 13, S. 277.

[423] Bulletin No. 46, Division of Chemistry, U. S. Department of Agriculture, p. 36.