The influence of light-emitting diodes on the phenolic compounds and antioxidant activities in pea sprouts

Liu, Hongkai; Chen, Ya-yun; Hu, Tingting; Zhang, Shujie; Zhang, Yahong; Zhao, Tianyao; Yu, HongEn; Kang, Yoon Mook

doi:10.1016/j.jff.2016.06.028

Cited by 98 publications

(71 citation statements)

References 32 publications

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“…In red-leaf pak choi (Table 3), there was significant conformity between the carotenoids and DPPH (0.99). The total phenolic and flavonoid contents, and the antioxidant activities, showed significant correlations in pea sprouts (Liu et al 2016).…”

Section: Discussionmentioning

confidence: 90%

“…In general, due to the complex nature of phytochemicals, two methods (DPPH and FRAP) should always be employed to evaluate the total antioxidative effects of vegetables. The maximum antioxidant activity was determined to be in the blue-LED-grown pea sprouts (Liu et al 2016). In greenleaf pak choi, with blue light intensity increased, the FRAP significantly increased (Fig.…”

Section: Discussionmentioning

confidence: 97%

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Supplemental blue light increases growth and quality of greenhouse pak choi depending on cultivar and supplemental light intensity

Zheng

Zhang

Liu

et al. 2018

Journal of Integrative Agriculture

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To evaluate the supplementary blue light intensity on growth and health-promoting compounds in pak choi (Brassica campestris ssp. chinensis var. communis), four blue light intensity treatments (T0, T50, T100 and T150 indicate 0, 50, 100, and 150 μmol m-2 s-1 , respectively) were applied 10 days before harvest under greenhouse conditions. Both of cultivars (greenand red-leaf pak choi) under T50 had the highest yield, content of chlorophyll and sugars. With light intensity increasing, antioxidant compounds (vitamin C and carotenoids) significantly increased, while nitrate content showed an opposite trend. The health-promoting compounds (phenolics, flavonoids, anthocyanins, and glucosinolates) were significantly higher under supplementary light treatment than T0, so as the antioxidant capacity (2,2-diphenyl-1-picrylhydrazyl and ferric-reducing antioxidant power). The species-specific differences in photosynthetic pigment and health-promoting compounds was found in green-and red-leaf pak choi. T50 treatment could be used for yield improvement, whereas T100 treatment could be applied for quality improvement. Results showed that blue light intensity can regulate the accumulation of biomass, morphology and health-promoting compounds in pak choi under greenhouse conditions.

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Section: Discussionmentioning

confidence: 90%

Section: Discussionmentioning

confidence: 97%

Supplemental blue light increases growth and quality of greenhouse pak choi depending on cultivar and supplemental light intensity

Zheng

Zhang

Liu

et al. 2018

Journal of Integrative Agriculture

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“…TPC was measured using the Folin-Ciocalteu assay (LIU et al, 2016). The standard curve was expressed as mg of gallic acid equivalent per g of dry weight (mg GAE/g DW).…”

Section: Chemical Analyses Determination Of Total Phenolic (Tpc) and mentioning

confidence: 99%

Phenotypic diversity of pea (Pisum sativum L.) varieties and the polyphenols, flavonoids, and antioxidant activity of their seeds

Zhao

Qin

et al. 2020

Cienc. Rural

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Pea (Pisum sativum L.) is the fourth leading legume crop in the world, and its demand is increasing. In this study, the morphological characteristics (seed shape, seed surface, seed coat color, hilum color, cotyledon color, 100-seed weight and color values), total phenolic content (TPC), total flavonoid content (TFC), 2,2’-azinobis-(3-ethylbenzthiazoline-6-sulphonate) (ABTS) free radical scavenging capacity and ferric reducing antioxidant power (FRAP) of 75 pea cultivars were investigated. Results showed rich genetic diversity and a wide range of phenolic contents and antioxidant activities. Sixteen varieties enriched with phenolic contents and high antioxidant activities were screened out. A significant correlation was reported among color values, TPC, TFC, ABTS and FRAP. Principal component analysis (PCA) extracted four principal components with a total cumulative contribution of 81.29%. Hierarchical cluster analysis based on the four extracted principal components resulted in a dendrogram dividing the peas into three groups. In addition, dark pea seeds have potential as a functional food in addition to their traditional role in providing dietary protein and fibre. This study provided a scientific basis for the breeding of pea varieties, development of new products and improvement of pea resource utilization.

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“…The primary and species-speci c secondary metabolites ingredients may be another factor of concern. For instance, the BL signi cantly increased the concentration of phenolic compounds in pea sprouts and basil [23,24], avonoids production in Cyclocarya paliurus [25], and the amount of salidroside in callus culture of Rhodiola imbricata [26]. By contrast, the red and far-red parts of the light spectrum induce the production of salicylic acid, which in turn increased avonoid accumulation in Ginkgo biloba [27].…”

Section: Introductionmentioning

confidence: 99%

Transcriptome and mebabolomic profiling: the effect of LED light quality on morphological traits, and phenylpropanoid-derived compounds accumulation in Sarcandra glabra seedlings

Xie

Chen

Zhou

et al. 2020

Preprint

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Background Sarcandra glabra is an evergreen and traditional Chinese herb, having medicinal significance as anti-oxidant, anti-bacterial, anti-inflammatory, and anti-tumor. Recently, China has initiated to establish cultivation of this plant in greenhouse under artificial light-emitting diodes (LED). However, little is known regarding the effects of the different LED lights on plant growth, accumulation pattern of secondary metabolites, and the molecular mechanism of Sarcandra glabra. Results Compared to white light (WL), the red light (RL) increased the height and decreased the stem diameter and leaf area, while blue light (BL) suppressed the height and leaf area. According to our transcriptome profiling, some differentially expressed genes (DEGs) were enriched in the phenylpropanoid biosynthesis. We identified 46 unigenes encoding for almost all known enzymes involved in phenylpropanoid biosynthesis, while the expression level of RNA-seq and qPCR were largely consistent. Meanwhile, we found 53 unigenes encoding R2R3-MYB proteins and 53 unigenes encoding bHLH proteins that several of them were related to flavonoids biosynthesis. Based on metabolomic profiling, a total of 454 metabolites were detected and the distribution of chemicals varied significantly. While flavonoids, phenolic acids, and tannins were mainly located in leaves; Organic acids, lignans and coumarins, and terpenoids were much more abundant in WG (root tissue under WL). Meanwhile, the yields of most flavonoids from BY (leaf tissue under BL) and the synthesis of primarily targeted compounds was lower than in WY (leaf tissue under WL) and RY (leaf tissue under RL). Instead, the leaves grown under RL exhibited a greater production of bioactive phytochemicals such as esculetin, fraxetin, esculin, and scopoletin. Conclusion These results provide further insight into the molecular mechanism of metabolites accumulation patterns in S. glabra under different light conditions, enabling the development of optimum breeding conditions for this plant.

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The influence of light-emitting diodes on the phenolic compounds and antioxidant activities in pea sprouts

Cited by 98 publications

References 32 publications

Supplemental blue light increases growth and quality of greenhouse pak choi depending on cultivar and supplemental light intensity

Supplemental blue light increases growth and quality of greenhouse pak choi depending on cultivar and supplemental light intensity

Phenotypic diversity of pea (Pisum sativum L.) varieties and the polyphenols, flavonoids, and antioxidant activity of their seeds

Transcriptome and mebabolomic profiling: the effect of LED light quality on morphological traits, and phenylpropanoid-derived compounds accumulation in Sarcandra glabra seedlings

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