Beneficial microorganisms: a sustainable horticultural solution to improve the quality of saffron in hydroponics

Stelluti, Stefania; Caser, Matteo; Demasi, Sonia; Herrero, Esteban Rodríguez; García-González, Irene; Voyron, Samuele; Bianciotto, Valeria; Scariot, Valentina

doi:10.1016/j.scienta.2023.112155

Cited by 4 publications

(2 citation statements)

References 60 publications

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“…The chromatographic analysis on the fresh and dried lavender flowers' extracts was conducted using high-performance liquid chromatography (HPLC) with Diode Array Detection (DAD) (Agilent 1200, Agilent Technologies, Santa Clara, CA, USA), and a Kinetex C18 column (4.6 × 150 mm, 5 mm, Phenomenex, Torrance, CA, USA) for compound separation, with different mobile phases, according to previously validated protocols (Table 1) [14,[46][47][48]. Compounds were identified by comparing their retention times and UV spectra with those of the analytical standards with the same chromatographic conditions.…”

Section: Phenolic Profilementioning

confidence: 99%

From Fresh to Dried Lavender Flower: Changes in Phytochemical Profile According to Drying Method

et al. 2023

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Lavandula angustifolia Mill. is a part of the Lamiaceae family, which includes aromatic plants used in perfumery, manufactory, food, ornamental, and medicinal sectors. Both fresh and dried lavender flowers can be exploited in different ways; however, post-harvest treatments such as drying processes can help maintain the flowers’ properties for a longer period. This study analyzed fresh (F) and dried lavender flower ultrasound-assisted extracts, comparing two different drying methods, i.e., heat-pump drying (HP) and hot-air drying (HA), to assess potential differences in their effect on the phytochemical composition (total phenolic content, total anthocyanin content, and phenolic profile) and antioxidant activity (FRAP, DPPH, and ABTS assays) of flowers, focusing on three lavender selections from north-western Alps (i.e., Susa, Stura, and Tanaro). Results showed that HP-dried flowers are to be preferred over HA-dried flowers, as they contain +66.73% of phenolics and +62.2% of anthocyanins, and they have higher antioxidant activity (from 60.32% to 284.3% more according to the assay). HP-dried flowers, particularly those from the Tanaro selection, showed also higher values in the relative antioxidant capacity index (RACI) and the global antioxidant score (GAS), ranking together with the fresh flowers. Nine bioactive compounds out of thirteen were detected by means of HPLC, seven in F (caffeic acid, hyperoside, quercetin, ellagic acid, catechin, epicatechin, and dehydroascorbic acid), four in HA (ferulic acid, hyperoside, quercitrin, and epicatechin), and two in HP (caffeic acid and hyperoside). The higher temperatures used in HA probably promoted oxidative and biochemical reactions that led to the presence and increase in these compounds. However, many other phenolic compounds may contribute to the antioxidant power of lavender extracts. Overall, HP resulted in an effective and sustainable method for drying lavender flowers and may have interesting applications to obtain final products richer in bioactive compounds and antioxidant activity to be used in the functional food industry.

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Section: Phenolic Profilementioning

confidence: 99%

From Fresh to Dried Lavender Flower: Changes in Phytochemical Profile According to Drying Method

et al. 2023

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“…A promising and environmentally friendly strategy for agriculture is the integrated use of various non‐chemical products in cropping systems, including the use of plant biostimulants (PBs) based on beneficial microorganisms and molecules of natural origin (Caser et al., 2019, 2020; Witkowicz et al., 2019). PBs are constituted of various bioactive substances, formulations of compounds or microorganisms, such as humic and fulvic acids, microalgae extracts, protein hydrolysis, chitosan, silicon, as well as mycorrhizal fungi, and plant growth‐promoting rhizobacteria (PGPR) that can improve plant growth, strength, and yield even in non‐optimal cultivation conditions (Carillo et al., 2020; Colla et al., 2015; Fiorentino et al., 2018; Rouphael et al., 2020; Stelluti et al., 2023). Also, other beneficial microorganisms, such as Trichoderma spp., resulted in improved plant growth, yield, and quality by controlling pests and pathogens, increasing nutrient efficiency, and simultaneously regulating maximal photosynthetic capacity and carbohydrate metabolism (Morán‐Diez et al., 2020; Vinale et al., 2008).…”

Section: Introductionmentioning

confidence: 99%

Can Trichoderma harzianum be used to enhance the yield and nutrient uptake of Lactuca sativa cv “Lollo Rosso” in floating systems?

Shabani,

Alemzadeh Ansari,

Fayezizadeh

et al. 2024

Food Science & Nutrition

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An experiment was performed to evaluate the effect of Trichoderma harzianum MVT801 combined with different ratios of nutrient solution (NR) (25%, 50%, and 100%) on the growth and physiological traits of Lactuca sativa “Lollo Rosso” plants cultivated in floating systems. Inoculation of lettuce plants with T. harzianum MVT801 (T1) in a floating system improves biometric properties, photosynthetic parameters, and nutrient uptake compared with uninoculated treatment (T0). The results clearly showed that in T1, despite a 50% reduction in the ratio of nutrient solution, no significant difference was observed in the growth and photosynthesis characteristics and nutrient uptake in L. sativa “Lollo Rosso” leaves compared with a complete nutrient solution treatment (100%), which is one of the notable results of this study. In this regard, the highest yield was observed in T1NR50 (inoculated with fungi and 50% of the nutrient solution) and T1NR100 (inoculated with fungi and complete nutrient solution) treatments. Also, the highest concentrations of phosphorus and potassium in “Lollo Rosso” leaves were observed in T1NR50 and T1NR100 treatments. Accordingly, the use of T. harzianum in floating lettuce cultivation could be recommended to increase crop productivity and reduce the use of chemical fertilizers.

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Arbuscular mycorrhizal symbiosis modulates the apocarotenoid biosynthetic pathway in saffron

Stelluti,

Grasso,

Nebauer

et al. 2024

Scientia Horticulturae

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Beneficial microorganisms: a sustainable horticultural solution to improve the quality of saffron in hydroponics

Cited by 4 publications

References 60 publications

From Fresh to Dried Lavender Flower: Changes in Phytochemical Profile According to Drying Method

From Fresh to Dried Lavender Flower: Changes in Phytochemical Profile According to Drying Method

Can Trichoderma harzianum be used to enhance the yield and nutrient uptake of Lactuca sativa cv “Lollo Rosso” in floating systems?

Arbuscular mycorrhizal symbiosis modulates the apocarotenoid biosynthetic pathway in saffron

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