... conditions: 1% solution, constant temperature 25 degrees, NDJ-1 rotary viscometer (Shanghai Balance Instrument Factory), rotor NO.4, 12 rec/min ... solution at, 35°C, 1 hour,Brookfield Model DV-1 viscometer, spindle No. 4,6; 12rpm36000 mPas minGluomannan content80% minLoss on ...