Microencapsulation of Rhizobium leguminosarum bv. trifolii with guar gum: Preliminary approach using spray drying

Baena-Aristizábal, Claudia M.; Foxwell, Marie; Wright, D. E.; Villamizar, Laura

doi:10.1016/j.jbiotec.2019.06.007

Cited by 13 publications

(9 citation statements)

References 59 publications

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“…Storage stability is the key to evaluate the market value and practical application value of functional foods (Kumar et al., 2020; Tolun et al., 2016; Xiang et al., 2020) or functional strains (Baena‐Aristizábal et al., 2019). Functional foods that cannot be stored stably for a long time under harsh conditions are resistant to profitable marketing, especially the functional factors of enzymes.…”

Section: Resultsmentioning

confidence: 99%

Microencapsulation of nattokinase from fermentation by spray drying: Optimization, comprehensive score, and stability

et al. 2021

Food Science & Nutrition

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Nattokinase from fermentation has recently gained more attention due to its beneficial effects on cardiovascular system. However, the instability of free nattokinase limits its application. The aim of the study was to develop a spray‐drying microencapsulation process to obtain the nattokinase powder with high activity, high quality, and strong storage stability. Hence, the microencapsulation process of nattokinase from fermentation by spray drying was optimized. Experiments of single‐factor and response surface methodology were used to assess the comprehensive scores and nattokinase activities. According to single‐factor and response surface methodology results, optimum parameters of microencapsulation process of the nattokinase power by spray drying were 30% of mass ratio of wall materials, 139°C of air inlet temperature, 8 L/h of feed rate, and 80°C of outlet temperature. The final optimized result encompassed a comprehensive score of 96, nattokinase activity of 1,340 IU/ml, and moisture content of 4.1 ± 0.1%. In addition, the microencapsulated nattokinase power showed strong storage stability in the conditions of different temperatures and pH. After 30 days of storage, the nattokinase powder was still white or light yellow, with a special smell, no peculiar smell and paste taste, and no impurity. These results build the basis of further industrialization of the nattokinase powder from fermentation broth by spray drying.

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Section: Resultsmentioning

confidence: 99%

Microencapsulation of nattokinase from fermentation by spray drying: Optimization, comprehensive score, and stability

et al. 2021

Food Science & Nutrition

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“…Maltodextrin was in turn previously used as the wall material in spray-drying encapsulation [73], but not in entrapment formulation influencing the gelling process. An additional and quite novel element of the biopreparation assembly concept was prebiotic supplementation.…”

Section: The Development Of the Biopreparation Targeted At Raspberry Naturalizationmentioning

confidence: 99%

Trichoderma-Based Biopreparation with Prebiotics Supplementation for the Naturalization of Raspberry Plant Rhizosphere

Oszust

Pylak

Frąc

2021

IJMS

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The number of raspberry plants dying from a sudden outbreak of gray mold, verticillium wilt, anthracnosis, and phytophthora infection has increased in recent times, leading to crop failure. The plants suffer tissue collapse and black roots, symptoms similar to a Botrytis–Verticillium–Colletotrichum–Phytophthora disease complex. A sizeable number of fungal isolates were acquired from the root and rhizosphere samples of wild raspberries from different locations. Subsequent in vitro tests revealed that a core consortium of 11 isolates of selected Trichoderma spp. was the most essential element for reducing in phytopathogen expansion. For this purpose, isolates were characterized by the efficiency of their antagonistic properties against Botrytis, Verticillium, Colletotrichum and Phytophthora isolates and with hydrolytic properties accelerating the decomposition of organic matter in the soil and thus making nutrients available to plants. Prebiotic additive supplementation with a mixture of adonitol, arabitol, erythritol, mannitol, sorbitol, and adenosine was proven in a laboratory experiment to be efficient in stimulating the growth of Trichoderma isolates. Through an in vivo pathosystem experiment, different raspberry naturalization-protection strategies (root inoculations and watering with native Trichoderma isolates, applied separately or simultaneously) were tested under controlled phytotron conditions. The experimental application of phytopathogens attenuated raspberry plant and soil properties, while Trichoderma consortium incorporation exhibited a certain trend of improving these features in terms of a short-term response, depending on the pathosystem and naturalization strategy. What is more, a laboratory-scale development of a biopreparation for the naturalization of the raspberry rhizosphere based on the Trichoderma consortium was proposed in the context of two application scenarios. The first was a ready-to-use formulation to be introduced while planting (pellets, gel). The second was a variant to be applied with naturalizing watering (soluble powder).

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“…Soon after a climatic/environmental stress, rhizobia can provide N for legume plants and help pastures to recover. However, more research on developing stress tolerant rhizobium strains is important, together with improving delivery systems (Baena-Aristizábal et al 2019) to ensure effective rhizobia can persist in soils. The potential to select for desiccation-tolerant New Zealand rhizobia has already been demonstrated (van Ham et al 2016), and these findings now need to be validated under field conditions.…”

Section: Soil Rhizobia For Improved N Fixationmentioning

confidence: 99%

Insights into the soil microbiome and prospects for its manipulation for improved pasture resilience

et al. 2021

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• The soil microbiome refers to the diverse collection of microorganisms present in soil, many of which can mediate essential soil functions such as nutrient cycling and plant pest and disease suppression. • There is growing international interest in the potential to manipulate the soil microbiome to deliver improved agricultural and environmental outcomes. • Molecular techniques are rapidly increasing understanding of the soil microbiome structure and function but manipulating soil microbiomes for pasture resilience still presents significant science challenges.

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Microencapsulation of Rhizobium leguminosarum bv. trifolii with guar gum: Preliminary approach using spray drying

Cited by 13 publications

References 59 publications

Microencapsulation of nattokinase from fermentation by spray drying: Optimization, comprehensive score, and stability

Microencapsulation of nattokinase from fermentation by spray drying: Optimization, comprehensive score, and stability

Trichoderma-Based Biopreparation with Prebiotics Supplementation for the Naturalization of Raspberry Plant Rhizosphere

Insights into the soil microbiome and prospects for its manipulation for improved pasture resilience

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