Process for two-stage digestion of natural products containing x

Details Process for two-stage digestion of natural products containing x Process for two-stage digestion of natural products containing x

1976-10-04

1978-08-08

Brown, Johnnie R.

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

536 1, 568863, C13K 1300, C13K 102, C07C 2900

Patent

active

041054679

ABSTRACT:
An improvement in a process for the production of xylose or xylitol wherein a vegetable material is contacted with a basic substance and the solid residue is thereafter treated with an acid, the improvement resides in the use of stone nut shells, in employing a two-stage digestion initially with a 1.5-6 molar alkali metal hydroxide solution at 10.degree.-50.degree. C. and thereafter diluting the digestion mass to 0.75 molar or less and digesting at a temperature of at least 60.degree. C.

REFERENCES:
patent: 2697701 (1954-12-01), Heritage et al.
patent: 3579380 (1971-05-01), Friese
patent: 3970712 (1976-07-01), Friese
patent: 3990904 (1976-11-01), Friese et al.

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