The Experts below are selected from a list of 198 Experts worldwide ranked by ideXlab platform
S. Matai - One of the best experts on this subject based on the ideXlab platform.
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Extractability and nutritional value of Leaf Protein from tropical aquatic plants
Plant Foods for Human Nutrition, 1997Co-Authors: A. Dewanji, S. Chanda, L. Si, S. Barik, S. MataiAbstract:In a study conducted on the extraction of Protein from the leaves of 30 freshwater aquatic plants, the highest standing crop fresh yield was found in Typha latifolia (2650g/m^2). The Bio-Medical Data Processing (BMDP) K -means clustering program with K =2 showed that 11 of the 30 plants had a high Protein nitrogen extractability as well as a high nitrogen content of the extracted Protein. Among these, Leaf Protein from Allmania nodiflora had the highest content of crude Protein (62.7%) and β-carotene (782.4 μg/g). Leaf Protein prepared from Hygrophila spinosa, Ottelia alismoides and Polygonum barbatum had low in-vitro digestibility. The levels of alkaloids and polyphenols were lower in the extracted Protein compared to that present in the original Leaf sample.
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Ailanthus excelsa Roxb. (Simaroubacae): A Promising Source of Leaf Protein
The Indian journal of nutrition and dietetics, 1991Co-Authors: A. Nag, S. MataiAbstract:Trees have been suggested as a potential source for Leaf Protein production. The Importance of Leaf Protein fractionation which results in chloroplastic and cytoplasmic fractions has been emphasized in poultry and human nutrition. On a study on certain tree leaves Mohan and Srivastava found that 34 to 44 per cent crude Protein could be extracted from the leaves and the fibrous residue remaining after the Protein extraction contained 4 to 6 per cent crude Protein.
Wenxiang Zhang - One of the best experts on this subject based on the ideXlab platform.
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A short review on the research progress in alfalfa Leaf Protein separation technology
Journal of Chemical Technology & Biotechnology, 2017Co-Authors: Wenxiang Zhang, Nabil Grimi, Michel Y. Jaffrin, Luhui Ding, Bing TangAbstract:Alfalfa Leaf Protein constitutes an important food ingredient and is widely used in food technology. Due to high nutritive value and high Proteins content, alfalfa has a high application value for feed grass and human food. Conventionally, industrial Leaf Protein production from alfalfa requires complex operation process and high separation temperature (90 oC), which causes high energy cost, release of sensitive elements and Protein denaturation. To overcome these issues, developing novel separation technologies with low energy consumption and high yield and purity is of paramount importance to meet the requirements of a green separation concept. In this review, some separation methods including acid heating method, pH method, salting method, organic solvent method, fermentation method and membrane separation are described. Among them, membrane separation has the best performance. Moreover, the feasibility of adopting conventional and new promising technology (membrane) to recover Leaf Protein from plant food materials from an environ-mental and economical point of view will be discussed.
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Leaf Protein concentration of alfalfa juice by membrane technology
Journal of Membrane Science, 2015Co-Authors: Wenxiang Zhang, Nabil Grimi, Michel Y. Jaffrin, Luhui DingAbstract:Membrane technology (microfiltration (MF) and ultrafiltration (UF)) of alfalfa juice was studied as an alternative method to conventional Leaf Protein concentration. Three types of filtration modules (dead end filtration using laboratory Amicon cell (DA), dynamic cross filtration using rotating disk module (CRDM) and dead end filtration using rotating disk module (DRDM)) were used to investigate concentration efficiency of MF and UF with full recycling tests and concentration tests. Rotating speed and transmembrane pressure (TMP) improved flux behavior, but higher permeate flux caused by higher rotating speed reduced Leaf Protein rejection of MF. The strong rotating shear effect and open flow channel structure of CRDM could control concentration polarization and membrane fouling, therefore, it gave the best flux behavior, least flux decline, best clarification effect, smallest irreversible fouling and highest permeability recovery in membrane cleaning. However, the best Leaf Protein rejection was obtained by DRDM, because of high shear rate and “secondary filtration” of fouling layer created by closed flow channel structure. Besides, CRDM showed the highest productivity and best potential for industrial application. These results from laboratory-scale tests can be very useful for concentrating Leaf Protein from alfalfa juice and serve as a valuable guide for process design in industrial scale.
Masaaki Yoshikawa - One of the best experts on this subject based on the ideXlab platform.
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Antihypertensive properties of spinach Leaf Protein digests
Journal of agricultural and food chemistry, 2004Co-Authors: Yanjun Yang, Ewa D. Marczak, Hachiro Usui, Yukio Kawamura, Masaaki YoshikawaAbstract:Leaf Protein containing approximately 50% rubisco (ribulose bisphosphate carboxylase/oxygenase) was obtained from fresh spinach Leaf with the use of a simple extraction method. Pepsin and pepsin−pancreatin digests of spinach Leaf Protein have potent angiotensin-I converting enzyme inhibitory properties with IC50 values of 56 and 120 μg/mL, respectively. Both digests of Leaf Protein have antihypertensive effects after oral administration to spontaneously hypertensive rats (SHR) with minimum effective doses of 0.25 and 0.5 g/kg, respectively. The maximum antihypertensive effect for the pepsin digest was observed 4 h after oral administration, while for the pepsin−pancreatin digest, the maximum effect was observed 2 h after oral administration. Undigested spinach Leaf Protein did not exert any significant antihypertensive effect after oral administration to SHR at doses of 0.5 and 1 g/kg. Obtained results show that the pepsin digest of Leaf Protein may be useful in treatment of hypertension. Keywords: Leaf p...
Luhui Ding - One of the best experts on this subject based on the ideXlab platform.
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A short review on the research progress in alfalfa Leaf Protein separation technology
Journal of Chemical Technology & Biotechnology, 2017Co-Authors: Wenxiang Zhang, Nabil Grimi, Michel Y. Jaffrin, Luhui Ding, Bing TangAbstract:Alfalfa Leaf Protein constitutes an important food ingredient and is widely used in food technology. Due to high nutritive value and high Proteins content, alfalfa has a high application value for feed grass and human food. Conventionally, industrial Leaf Protein production from alfalfa requires complex operation process and high separation temperature (90 oC), which causes high energy cost, release of sensitive elements and Protein denaturation. To overcome these issues, developing novel separation technologies with low energy consumption and high yield and purity is of paramount importance to meet the requirements of a green separation concept. In this review, some separation methods including acid heating method, pH method, salting method, organic solvent method, fermentation method and membrane separation are described. Among them, membrane separation has the best performance. Moreover, the feasibility of adopting conventional and new promising technology (membrane) to recover Leaf Protein from plant food materials from an environ-mental and economical point of view will be discussed.
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Leaf Protein concentration of alfalfa juice by membrane technology
Journal of Membrane Science, 2015Co-Authors: Wenxiang Zhang, Nabil Grimi, Michel Y. Jaffrin, Luhui DingAbstract:Membrane technology (microfiltration (MF) and ultrafiltration (UF)) of alfalfa juice was studied as an alternative method to conventional Leaf Protein concentration. Three types of filtration modules (dead end filtration using laboratory Amicon cell (DA), dynamic cross filtration using rotating disk module (CRDM) and dead end filtration using rotating disk module (DRDM)) were used to investigate concentration efficiency of MF and UF with full recycling tests and concentration tests. Rotating speed and transmembrane pressure (TMP) improved flux behavior, but higher permeate flux caused by higher rotating speed reduced Leaf Protein rejection of MF. The strong rotating shear effect and open flow channel structure of CRDM could control concentration polarization and membrane fouling, therefore, it gave the best flux behavior, least flux decline, best clarification effect, smallest irreversible fouling and highest permeability recovery in membrane cleaning. However, the best Leaf Protein rejection was obtained by DRDM, because of high shear rate and “secondary filtration” of fouling layer created by closed flow channel structure. Besides, CRDM showed the highest productivity and best potential for industrial application. These results from laboratory-scale tests can be very useful for concentrating Leaf Protein from alfalfa juice and serve as a valuable guide for process design in industrial scale.
Bing Tang - One of the best experts on this subject based on the ideXlab platform.
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A short review on the research progress in alfalfa Leaf Protein separation technology
Journal of Chemical Technology & Biotechnology, 2017Co-Authors: Wenxiang Zhang, Nabil Grimi, Michel Y. Jaffrin, Luhui Ding, Bing TangAbstract:Alfalfa Leaf Protein constitutes an important food ingredient and is widely used in food technology. Due to high nutritive value and high Proteins content, alfalfa has a high application value for feed grass and human food. Conventionally, industrial Leaf Protein production from alfalfa requires complex operation process and high separation temperature (90 oC), which causes high energy cost, release of sensitive elements and Protein denaturation. To overcome these issues, developing novel separation technologies with low energy consumption and high yield and purity is of paramount importance to meet the requirements of a green separation concept. In this review, some separation methods including acid heating method, pH method, salting method, organic solvent method, fermentation method and membrane separation are described. Among them, membrane separation has the best performance. Moreover, the feasibility of adopting conventional and new promising technology (membrane) to recover Leaf Protein from plant food materials from an environ-mental and economical point of view will be discussed.