scholarly journals Protective effects of garlic (Allium sativum) and ginger (Zingiber officinale) on physicochemical and microbial attributes of liquid smoked silver carp (Hypophthalmichthys molitrix) wrapped in aluminium foil during chilled storage

2014 ◽  
Vol 8 (1) ◽  
pp. 1-8 ◽  
Author(s):  
Frank Fijelu ◽  
Xu Yanshun ◽  
jiang Qixing ◽  
Xia Wenshui
2019 ◽  
Vol 11 (10) ◽  
pp. 1470-1476 ◽  
Author(s):  
Dehua Zhang ◽  
Yaoguang Zhong

In order to study the effect of natural plant essential oil on the fishy smell and refrigeration quality of surimi products, silver carp surimi was treated with 2 mL/100 g coriander essential oil, 2 mL/100 g garlic essential oil, 1 mL/100 g coriander essential oil with 1 mL/100 g garlic essential oil, respectively. The deodorization and preservation effects of coriander and garlic essential oil on frozen surimi products were analyzed by means of electronic nose, sensory evaluation, whiteness, texture, total colonies, volatile base total nitrogen (TVB-N), water holding capacity and NMR detection. The results showed that coriander and garlic essential oils could effectively reduce the fishy smell of surimi products, significantly inhibit the growth of microorganisms, reduce the oxidation of protein and water loss in surimi, and improve the quality of surimi products during cold storage. However, 2 mL/100 g coriander essential oil could affect the color of surimi products, the results showed that adding 2 mL/100 g garlic essential oil or 1 mL/100 g coriander essential oil with 1 mL/100 g garlic essential oil could reduce the fishy smell of surimi products, improve their refrigeration quality and prolong shelf life.


2005 ◽  
Vol 40 (2) ◽  
pp. 191-201 ◽  
Author(s):  
Nadia Berday ◽  
Driss Zaoui ◽  
Abdeljaouad Lamrini ◽  
Mustapha Abi

Abstract The effect of silver carp (Hypophthalmichthys molitrix Val.) feeding activity on the plankton communities in a high-rate pond technology system (HRPTS) effluent was investigated over a period of 100 days. The experiment was conducted at the experimental wastewater treatment plant of the Agronomic and Veterinary Medicine Institute (AVI) of Rabat, Morocco, using a HRPTS in a fish pond receiving the plant effluent. The effluent was highly dominated by phytoplankton (99.95%). Silver carp could survive and grow in the fish pond. Production was 37 kg with a very low mortality rate (12%). The high specific intestine weight (7%) and intake rates of biomass and phytoplankton by silver carp (616 g kg-1 of fish day-1 and 1.6 x 1011 cell kg-1 of fish day-1, respectively) demonstrated the importance of the feeding activity of the fish. Zooplankton intake rates were lower (2 x 107 bodies kg-1 of fish day-1). The high intestine index (3 to 4.3 for fish sizes of 14 to 22 cm) and the dominance of phytoplankton in the gut contents (99.95%) confirmed an omnivorous/ phytoplanctivorous diet. Silver carp were efficient in removing plankton from the HRPTS effluent. The net removal yields of biomass were 285 g m-3 day-1 and 322 g kg-1 of fish day-1, 7 x 1010 algal cells kg-1 of fish day-1 and 8.7 x 107 zooplankton bodies kg-1 of fish day-1, with net removal rates of 47, 64 and 62%, respectively. The total suspended solids concentration decreased from 211 in the inflow to 112 mg L-1 in the fish pond.


Sign in / Sign up

Export Citation Format

Share Document