نتایج جستجو برای: alcalase

تعداد نتایج: 272  

Journal: :Journal of Functional Foods 2022

• Silkworm protein hydrolysates were generated with a range of proteolytic enzymes. The resulting physicochemical properties the enzyme dependent. demonstrated in vitro and situ antioxidant activity. In total, 8 peptides synthetised examined for cellular SWFVTPF NDVLFF showed highest activity HepG2 cells. ( Bombyx mori ) pupae is by-product from silk industry which rich protein. Hydrolysates si...

2002
MARTINA HRČKOVÁ MONIKA RUSŇÁKOVÁ

HRČKOVÁ M., RUSŇÁKOVÁ M., ZEMANOVIČ J. (2002): Enzymatic hydrolysis of defatted soy flour by three different proteases and their effect on the functional properties of resulting protein hydrolysates. Czech J. Food Sci., 20: 7–14. Commercial defatted soy flour (DSF) was dispersed in distilled water at pH 7 to prepare 5% aqueous dispersion. Soy protein hydrolysates (SPH) were obtained by enzymati...

2013

Pumpkin protein meal was hydrolysed by alcalase, flavourzyme, protamex and neutrase. Physicochemical characteristics were evaluated by previously published methods using pumpkin protein hydrolysates (PPHs) and pumpkin protein meal (PPM) as a control. Hydrolysis had significantly changed the physicochemical characteristics of protein meal and its functionality as well. Different enzymes had diff...

2012
Raheleh Ghanbari Afshin Ebrahimpour Azizah Abdul-Hamid Amin Ismail Nazamid Saari

Actinopyga lecanora, a type of sea cucumber commonly known as stone fish with relatively high protein content, was explored as raw material for bioactive peptides production. Six proteolytic enzymes, namely alcalase, papain, pepsin, trypsin, bromelain and flavourzyme were used to hydrolyze A. lecanora at different times and their respective degrees of hydrolysis (DH) were calculated. Subsequent...

2013
Sara Bordbar Afshin Ebrahimpour Azizah Abdul Hamid Mohd Yazid Abdul Manap Farooq Anwar Nazamid Saari

The stone fish (Actinopyga lecanora) ethanolic and methanolic tissue extracts were investigated for total phenolic contents (TPCs) as well as antioxidant activity using 2,2-diphenyl-1-picrylhydrazyl (DPPH(•)) radical scavenging activity and ferric reducing antioxidant power (FRAP) assays. Both extracts showed low amount of phenolics (20.33 to 17.03 mg of gallic acid equivalents/100 g dried samp...

2015
Ho Dong Yoon Ekaterina P. Karaulova Lilia V. Shulgina Evgeni V. Yakush Jong Soo Mok Su Seon Lee Chengliang Xie Jeong Gyun Kim

Calculated chemical scores (computed in relation to the FAO/WHO reference protein) for salmon liver protein hydrolysates indicated that all amino acids (other than methionine and threonine) were present in adequate or excess quantities; thus, the raw liver material is a good source of essential amino acids. The hydrophobic amino acids contents in hydrolysates prepared from Oncorhynchus keta and...

2012
Ronghai He Haile Ma Weirui Zhao Wenjuan Qu Jiewen Zhao Lin Luo Wenxue Zhu

A quantitative structure-activity relationship (QSAR) model of angiotensin-converting enzyme- (ACE-) inhibitory peptides was built with an artificial neural network (ANN) approach based on structural or activity data of 58 dipeptides (including peptide activity, hydrophilic amino acids content, three-dimensional shape, size, and electrical parameters), the overall correlation coefficient of the...

2014
Dae-Yeon Cho Kyungae Jo So Young Cho Jin Man Kim Kwangsei Lim Hyung Joo Suh Sejong Oh

This study utilized commercially available proteolytic enzymes to prepare egg-white protein hydrolysates (EPHs) with different degrees of hydrolysis. The antioxidant effect and functionalities of the resultant products were then investigated. Treatment with Neutrase yielded the most α-amino groups (6.52 mg/mL). Alcalase, Flavourzyme, Protamex, and Ficin showed similar degrees of α-amino group l...

2010
Wenjuan Qu Haile Ma Zhongli Pan Lin Luo Zhenbin Wang Ronghai He

This research was to develop a antihypertensive peptide, an efficient angiotensin converting enzyme (ACE) inhibitor (ACEI), from Porphyra yezoensis. Seven commercial enzymes were screened and then enzymatic hydrolysis conditions were optimised. The results showed that alcalase was the most effective for hydrolysis and its optimum conditions for achieving the highest antihypertensive activity of...

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