Determination of the variations in levels of phenolic compounds in soybean (<i>Glycine max</i>
 Merr.) sprouts infected by anthracnose (<i>Colletotrichum gloeosporioides</i>
)

Lee, Jung Han; Jeong, Sung Woo; Cho, Young Ah; Park, Semin; Kim, Yun‐Hi; Bae, Dong Won; Chung, Jong Il; Kwak, Youn‐Sig; Jeong, Mi‐Jeong; Park, Soo-Chul; Jin, Jong Sung; Shin, Sung Chul

doi:10.1002/jsfa.6142

Cited by 14 publications

(13 citation statements)

References 23 publications

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“…In line with this hypothesis, other investigators demonstrated that soybeans infected with fungi increased their levels of coumestrol compared with non-infected soybeans (Boué et al, 2000;Lee et al, 2013). Thus, the coumestans show the typical behaviour of a phytoalexin.…”

Section: Coumestan Levels In Foodmentioning

confidence: 66%

“…However, the role of the isoflavones in defence against Phythophthora megasperma is unclear, as in vitro studies demonstrated daidzein, formononetin, and genistein not to inhibit growth of the pest. Induction of isoflavones by biotic stress has subsequently been confirmed by several investigators (Graham & Graham, 1996;Algar et al, 2013;Lee et al, 2013).…”

Section: Factors Influencing Isoflavone Contentmentioning

confidence: 77%

“…A difference in total isoflavone level has also been reported for soybean sprouts grown under light and under darkness (Graham & Graham, 1996;Kim et al, 2006;Phommalth et al, 2008), but this could not be confirmed by others . Lee et al (2013) determined the levels of six isoflavones and coumestrol in soybean (Glycine max) sprouts at various times after infection by anthracnose (Colletotrichum gloeosporioides). The quantities of daidzin, genistin and malonylgenistin increased to peak concentrations about one week after inoculation, and then decreased.…”

Section: Soybean Sproutsmentioning

confidence: 99%

“…Considerable amounts of coumestrol has been found not only in alfalfa sprouts (0.025-1.05 mg/kg fw), but also in legume sprouts such as mungbean sprouts (1.37-20.00 mg/kg fw), clover sprouts (0.98-281 mg/kg fw), and soybean sprouts (n.d.-2.36 mg/kg fw) Franke et al, 1994;Müllner and Sontag, 1999;Horn-Ross et al, 2000;Liggins et al, 2000b;Lee et al, 2013). Coumestrol is the major phytoestrogen in alfalfa, but, as demonstrated by Hong et al (2011), it is far from the only one.…”

Section: Legumesmentioning

confidence: 99%

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Phytoestrogens in foods on the Nordic market

Forslund¹,

Andersson²

2017

TemaNord

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Section: Coumestan Levels In Foodmentioning

confidence: 66%

Section: Factors Influencing Isoflavone Contentmentioning

confidence: 77%

Section: Soybean Sproutsmentioning

confidence: 99%

Section: Legumesmentioning

confidence: 99%

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Phytoestrogens in foods on the Nordic market

Forslund¹,

Andersson²

2017

TemaNord

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“…Responses of young seedlings to varying levels of UV have been shown to affect overall sensitivity and growth [1] , [2] , [37] . Moreover, the ‘sprouts’ industry for soybean and other crops of economic importance is growing, and the interest in phenylpropanoids for their application to human health is growing [38] , [39] . Therefore, understanding the balance of damage and defense mechanisms, and spectral sensitivity of the UV response in young seedlings under controlled conditions will permit better understanding of plant perception and response to UV in the natural environment.…”

Section: Introductionmentioning

confidence: 99%

Phenylalanine Is Required to Promote Specific Developmental Responses and Prevents Cellular Damage in Response to Ultraviolet Light in Soybean (Glycine max) during the Seed-to-Seedling Transition

2014

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UV-radiation elicits a suite of developmental (photomorphogenic) and protective responses in plants, but responses early post-germination have received little attention, particularly in intensively bred plants of economic importance. We examined germination, hypocotyl elongation, leaf pubescence and subcellular responses of germinating and/or etiolated soybean (Glycine max (L.) Merr.) seedlings in response to treatment with discrete wavelengths of UV-A or UV-B radiation. We demonstrate differential responses of germinating/young soybean seedlings to a range of UV wavelengths that indicate unique signal transduction mechanisms regulate UV-initiated responses. We have investigated how phenylalanine, a key substrate in the phenylpropanoid pathway, may be involved in these responses. Pubescence may be a key location for phenylalanine-derived protective compounds, as UV-B irradiation increased pubescence and accumulation of UV-absorbing compounds within primary leaf pubescence, visualized by microscopy and absorbance spectra. Mass spectrometry analysis of pubescence indicated that sinapic esters accumulate in the UV-irradiated hairs compared to unirradiated primary leaf tissue. Deleterious effects of some UV-B wavelengths on germination and seedling responses were reduced or entirely prevented by inclusion of phenylalanine in the growth media. Key effects of phenylalanine were not duplicated by tyrosine or tryptophan or sucrose, nor is the specificity of response due to the absorbance of phenylalanine itself. These results suggest that in the seed-to-seedling transition, phenylalanine may be a limiting factor in the development of initial mechanisms of UV protection in the developing leaf.

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Natural Biocidal Compounds of Plant Origin as Biodegradable Materials Modifiers

Pawłowska

Stepczyńska

2021

J Polym Environ

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The article presents a literature review of the plant origin natural compounds with biocidal properties. These compounds could be used as modifiers of biodegradable materials. Modification of polymer material is one of the basic steps in its manufacturing process. Biodegradable materials play a key role in the current development of materials engineering. Natural modifiers are non-toxic, environmentally friendly, and renewable. The substances contained in natural modifiers exhibit biocidal properties against bacteria and/or fungi. The article discusses polyphenols, selected phenols, naphthoquinones, triterpenoids, and phytoncides that are natural antibiotics. Due to the increasing demand for biodegradable materials and the protection of the natural environment against the negative effects of toxic substances, it is crucial to replace synthetic modifiers with plant ones. This work mentions industries where materials containing natural modifying additives could find potential applications. Moreover, the probable examples of the final products are presented. Additionally, the article points out the current world’s pandemic state and the use of materials with biocidal properties considering the epidemiological conditions.

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Determination of the variations in levels of phenolic compounds in soybean (Glycine max Merr.) sprouts infected by anthracnose (Colletotrichum gloeosporioides )

Abstract: The monitoring suggested that de novo induced glycitein appeared to act as a phytoalexin in the defence mechanism of the soybean sprouts against C. gloeosporioides, and constitutively formed seven phenolic components that functioned as phytoanticipins in the diseased soybean sprouts.

Cited by 14 publications

References 23 publications

Phytoestrogens in foods on the Nordic market

Phytoestrogens in foods on the Nordic market

Phenylalanine Is Required to Promote Specific Developmental Responses and Prevents Cellular Damage in Response to Ultraviolet Light in Soybean (Glycine max) during the Seed-to-Seedling Transition

Natural Biocidal Compounds of Plant Origin as Biodegradable Materials Modifiers

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