Method of predicting cut-time of milk coagulum in cheese-making

Details Method of predicting cut-time of milk coagulum in cheese-making Method of predicting cut-time of milk coagulum in cheese-making

1990-02-15

1992-12-15

Turner, Samuel A.

Optics: measuring and testing

Of light reflection

356448, 73 641, 73169, 73 6443, 250574, G01N 2155

Patent

active

051721937

ABSTRACT:
An apparatus for predicting milk coagulum cut-time in a cheese making process includes a light source, a sensor or detector for sensing diffuse reflectance of light from said milk and a controller for analyzing the diffuse reflectance and accurately predicting the cut-time to significantly enhance overall yield. More specifically, the apparatus includes an optical probe which may be suspended over the milk or attached to a wall of a fermentation vessel in which the milk is contained. A method for predicting milk coagulum cut-time includes the steps of (a) directing light from a light source toward milk undergoing enzymatic hydrolysis; (b) sensing diffuse reflectance of that light from the milk; (c) analyzing the sensed diffuse reflectance profile and (d) signaling the cut-time. The sensing occurs at between 400 to 6000 nm. Specific mathematical formulae for the analyzing steps are also disclosed.

REFERENCES:
patent: 4542645 (1985-09-01), Richardson et al.
patent: 4607955 (1986-08-01), Corbett
patent: 4677298 (1987-06-01), Zelmanovic et al.
Fundamentals of Dairy Chemistry--3rd edition--Noble P. Wong--editor--Van Nostrand Reinhold Co., Inc., 1988, pp. 620-625.

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