Measuring apparatus for amylose and/or amylopectin content in ri

Details Measuring apparatus for amylose and/or amylopectin content in ri Measuring apparatus for amylose and/or amylopectin content in ri

1987-09-17

1989-01-24

Levy, Stewart J.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

G01J 100

Patent

active

048002801

ABSTRACT:
An apparatus for measuring amylose and/or amylopectin content in rice. A near infrared light beam having its wavelength in a range of from about 1900 nm to about 2500 nm is applied to sample rice (5). A detector (26, 27,28) receives light reflected from and/or transmitted through the sample rice (5), to generate signals representative of luminous intensity of the received light. A memory device (122) has stored therein content conversion coefficients set for the amylose and/or amylopectin. A calculation device (123) calculates the amylose and/or amylopectin content in the sample rice (5), based on the detecting signals from the detector (26,27,28) and the content conversion coefficients stored in the memory device (122). The calculated content is displayed by a display device (126,127).

REFERENCES:
patent: 4040750 (1977-08-01), Zwiener
patent: 4253766 (1981-03-01), Funk
patent: 4400086 (1983-08-01), Webster
patent: 4404642 (1983-09-01), Rosenthal
patent: 4692620 (1987-09-01), Rosenthal

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