Autolysis of Rice Bran Phytate in Long-Term Study on Batch Fermentor

., Abd. Elaziem Farouk; Ahamed, N. Thoufeek; Hussin, Anis Shobirin Meor; Alzahrani, Othman M.; Bahobail, Abdul Aziz

doi:10.20546/ijcmas.2017.612.033

Cited by 2 publications

(1 citation statement)

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“…Phytate-P content of DORB was 1.39% found in a study, which was similar to the content of this finding [ 39 ]. Some researchers found that the phytate–degrading enzymes from RB were active in the first 6 h of the process [ 40 ]. So, rumen inoculation and fermentation reduced the phytate-P content of RB and DORB, which is also found in this study.…”

Section: Discussionmentioning

confidence: 99%

Anaerobic fermentation of rice bran using rumen liquor for desirable chemical changes as animal feed

Islam¹,

Elsabagh²,

Lv³

et al. 2022

J Adv Vet Anim Res

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Objective: The objectives of this research are to overcome the limitations of rice bran (RB) and de-oiled rice bran (DORB) by fermentation anaerobically using inoculum from the rumen of a canulated sheep for desirable chemical changes. Materials and Methods: Initially, RB and DORB were fermented by 10% rumen liquor for 12 h at 39°C at different moisture levels (10, 20, 30, 40, 50, and 60% phosphate buffer). Again, DORB was fermented for 24, 48, and 72 h at 39°C using 10% rumen liquor at different moisture levels (10, 20, 30, 40, 50, and 60% phosphate buffer). Before and after fermentation, RB and DORB were analyzed for pH, proximate components, neutral detergent fiber (NDF), total-P, inorganic-P, and phytate-P. Results: Fermentation of RB and DORB for 12 h reduced (p < 0.05) pH, crude fiber (CF),NDF, and phytate-P, but increased (p < 0.05) the content of inorganic-P. Subsequent fermentation of DORB for 24, 48, and 72 h reduced pH, CF, and NDF. Total-P of fermented DORB remained similar till 72 h fermentation (p < 0.05). But, inorganic-P increased with the increasing duration (24, 48, and 72 h) of fermentation and increased (30, 40, and 50) moisture level (p < 0.05). Alternatively, phytate-P decreased with increasing duration and moisture level (p < 0.05). Conclusion: Inoculation of rumen microbes and incubation of RB (12 h) and DORB (24 h) at room temperature reduced phytate-P and fiber content (CF and NDF) when the moisture level was up to 50%; those are the indicators to reduce the limitation of RB and DORB to use as feed for non-ruminant animals like poultry and pigs.

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Section: Discussionmentioning

confidence: 99%