GB/T 2739-1981 Hygienic standard for Huangyu

GB/T 2739-1981 Health Standard for Huangyu GB/T2739-1981 Standard download and decompression password: www.bzxz.net

1. Sensory indicators are shown in Table 1:
National Standard of the People's Republic of China
First-level freshness
Second-level freshness
GB273981
Replaces GBn25-77
Gills are bright red,
Mucus is clear and has an inherent odor. The color is gray-red, and the mucus is slightly turbid and has a slight odor
Eyes The eyeballs are full and protruding, and the cornea is transparent
Muscles are firm and elastic
Abdomen is not swollen,)
Anus is tight
2. Physical and chemical indicators are shown in Table 2:
Volatile basic nitrogen (mg/100g)
Mercury (mg/kg, in Hg)
Benzene hexachloride (mg/kg)
Didi Fei (mg/kg)
See Table 3 for bacterial indicators:
Total number of bacteria
(pieces/g)
Cornea slightly turbid
Eyeball bulging or flat,
"loose, poor elasticity, with puncture phenomenon
Abdominal rupture, intestinal overflow
swelling,
anus bulging,,
First-level freshness
First-level freshness
≤1,000
Second-level freshnesswww.bzxz.net
-≤15
Second-level freshness
-≤10,000
General Administration of Standards
Ministry of Health of the People's Republic of China
June 1, 1982
Qinghai Provincial Health and Epidemic Prevention Station
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