Biotechnological production of l-tyrosine and derived compounds

Chávez-Béjar, María I.; Báez-Viveros, José Luis; Martı́nez, Alfredo; Bolívar, Francisco; Gosset, Guillermo

doi:10.1016/j.procbio.2012.04.005

Cited by 38 publications

(19 citation statements)

References 91 publications

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“…Biotechnological production processes have been used for industrial production of amino acids for about 50 years now (1,3,4,5,9,10,12,14,17,19,20,21,24,27,28,32,33,34,35,42,43,44,52,58).…”

Section: Production Of Amino Acids By Biotechnology Methodsmentioning

confidence: 99%

Biotechnology in the Production of Pharmaceutical Industry Ingredients: Amino Acids

Ivanov

Stoimenova

Obreshkova

et al. 2013

Biotechnology & Biotechnological Equipment

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“…Biotechnological production processes have been used for industrial production of amino acids for about 50 years now (1,3,4,5,9,10,12,14,17,19,20,21,24,27,28,32,33,34,35,42,43,44,52,58).…”

Section: Production Of Amino Acids By Biotechnology Methodsmentioning

confidence: 99%

Biotechnology in the Production of Pharmaceutical Industry Ingredients: Amino Acids

Ivanov

Stoimenova

Obreshkova

et al. 2013

Biotechnology & Biotechnological Equipment

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“…The cattle treated with tempeh velvet bean and rectopamine had 18.62% and 23.45% lower ADG, respectively, as compared to control. In respect to addition of tempeh velvet bean, low level of ADG is might be due to the production of tyrosinase by Rhyzopus oryzae in the digestive tract that changes L-tyrosine and L-dopa to dopaquinone that is further converted back to melanin (Chávez-Béjar et al, 2012). This result indicated the diversion of feed metabolism pathway, in which the feed was metabolized to be coloring compounds, instead of energy.…”

Section: Body Weight Gainmentioning

confidence: 99%

Performance, Carcass Production, and Meat Quality of Sumba Ongole Bulls Fed Ration Containing Velvet Bean (Mucuna pruriens)

Yantika

Alamsyari

Evvyernie

et al. 2015

Med Pet

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This research aimed to study performance, carcass production, meat quality, and economic feasibility of male Sumba Ongole cattle fed ration supplemented with velvet bean (M. pruriens). The research was designed in a completely randomized block design using 16 cattle with average body weight of 488+37.08 kg. The treatments were: T0= 15% straw + 85% concentrate; T1= T0 + 12% of velvet bean flour supplement; T2= T0 + 16% of velvet bean tempeh supplement; and T3= T0 + 200 mg/head/d of ractopamine hydrocloride. Data were analyzed by using analysis of variance with orthogonal contrast. The observed variables included feed consumption, average daily body weight gain (ADG), feed efficiency (FE), income over feed cost (IOFC), hot carcass weight (HCW), carcass percentage, subcutaneous fat thickness, meat pH, tenderness, cooking loss, and water holding capacity (WHC). The result revealed that the addition of 12% velvet bean flour into the rations increased dry matter consumption (P<0.05), but did not affect ADG, FE, IOFC, carcass production, and meat quality. The addition of 12% velvet bean flour produced the lowest cooking loss (P<0.05). The addition of 16% velvet bean tempeh into the rations significantly increased (P<0.05) dry matter consumption, however reduced (P<0.05) ADG, FE, and IOFC compared to control treatment. It is concluded that velvet bean flour at the level of 12% can be used as an alternative feed supplement in the ration of Sumba Ongole cattle and can replace the use of synthetic ß-agonist. ABSTRAKPenelitian ini bertujuan untuk mempelajari performa, produksi karkas, kualitas daging, dan economic feasibility dari sapi sumba ongole jantan yang mengkonsumsi kara benguk (M. pruriens). Penelitian ini dilaksanakan berdasarkan rancangan acak kelompok dengan menggunakan 16 ekor sumba ongole jantan dengan rataan bobot badan 488±37,08 kg dan menggunakan 4 jenis perlakuan, yaitu: T0= 15% jerami padi + 85% konsentrat, T1= T0 + 12% tepung kara benguk, T2= T0 + 16% tempe kara benguk, dan T3= T0 + 200 mg/ekor/hari ractopamine HCl. Data dianalisis menggunakan analisis ragam dan kontras ortogonal. Peubah yang diukur adalah konsumsi ransum, pertambahan bobot badan harian (PBBH), efisiensi pakan (EP), income over feed cost (IOFC), bobot karkas panas, persentase karkas, tebal lemak (subcutan), pH daging, keempukan, susut masak, dan daya ikat air. Hasil penelitian menunjukkan bahwa penambahan 12% tepung kara benguk meningkatkan konsumsi bahan kering (P<0.05), namun demikian tidak berpengaruh terhadap PBBH, efisiensi pakan, IOFC, produksi karkas, dan kualitas daging, serta menghasilkan susut masak terendah (P<0,05). Penambahan 16% tempe kara benguk pada ransum nyata meningkatkan konsumsi bahan kering (P<0.05), namun demikian menurunkan (P<0.05) PBBH, efisiensi pakan, dan IOFC dibandingkan kontrol. Dapat disimpulkan bahwa 12% tepung kara benguk dapat digunakan sebagai pakan tambahan alternatif dalam ransum ternak sumba ongole dan sebagai pengganti ß-agonist sintetis.

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“…For the current work, tyrosine was an attractive initial feedstock because it is produced on an industrial scale by engineered strains of E. coli. [32][33][34][35] Furthermore, tyrosine is readily functionalized with four allyl groups, providing up to eight sites for the formation of C-S crosslinks upon inverse vulcanization (Scheme 2). The mechanical strength of high sulfur-content materials produced by inverse vulcanization increases with increased crosslink density, 30,31,36 so it was hypothesized that the high crosslink density provided by tetraallyltyrosine would likewise lead to durable copolymers.…”

Section: Introductionmentioning

confidence: 99%

Durable, acid-resistant copolymers from industrial by-product sulfur and microbially-produced tyrosine

2019

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Biotechnological production of l-tyrosine and derived compounds

Cited by 38 publications

References 91 publications

Biotechnology in the Production of Pharmaceutical Industry Ingredients: Amino Acids

Biotechnology in the Production of Pharmaceutical Industry Ingredients: Amino Acids

Performance, Carcass Production, and Meat Quality of Sumba Ongole Bulls Fed Ration Containing Velvet Bean (Mucuna pruriens)

Durable, acid-resistant copolymers from industrial by-product sulfur and microbially-produced tyrosine

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