Distinct Impacts of UV-A Light Wavelengths on Nutraceutical and Mineral Contents in Green and Purple Basil Cultivated in a Controlled Environment

Viršilė, Akvilė; Laužikė, Kristina; Sutulienė, Rūta; Brazaitytė, Aušra; Kudirka, Gediminas; Samuolienė, Giedrė

doi:10.3390/horticulturae9111168

Cited by 3 publications

(1 citation statement)

References 44 publications

(66 reference statements)

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“…Determination of the amount of mineral elements. The mineral element contents in birch sap were determined with inductively coupled plasma optical emission spectrometry (ICP-OES) [24]. Sap samples were diluted to 50 mL with deionized water and analyzed by an ICP-OES spectrometer (Spectro Genesis, SPECTRO Analytical Instruments GmbH, Kleve, Germany) at 1300 W RF power, 12 L/ min plasma flow, 1 L/min auxiliary flow, 0.8 L/min nebulizer flow, and 1 mL/min sample uptake rate.…”

Section: Birchmentioning

confidence: 99%

Qualitative Changes in Birch Sap after Freezing and Thawing

Mingaila,

Vilimas,

Viškelis

et al. 2024

Forests

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In this study, the qualitative changes in raw birch sap after freezing and thawing were determined. Ten-liter bottles and one-ton plastic containers with six replications were used for the freezing of birch sap and thawing of frozen sap. During and after the thawing, the physical and physical–chemical properties of the sap were measured. According to the results, as the ice melts, the concentration of acids and other soluble substances in the sap decreases, but changes in qualitative indicators indicate the beginning of fermentation processes through color changes and pH as the temperature of the melting sap becomes positive. As a result, to freeze raw sap in large-volume containers, it is necessary to develop fast thawing technology using auxiliary means—circulation, external energy sources, and mechanical ice crushing.

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Section: Birchmentioning

confidence: 99%

Qualitative Changes in Birch Sap after Freezing and Thawing

Mingaila,

Vilimas,

Viškelis

et al. 2024

Forests

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Effects of Supplemental UV-A LED Radiation on Growth and Bioactive Compounds in Spinach

Choi,

Lee,

2024

J. Bio-Env. Con.

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A proper level of UV-A light treatment in terms of intensity, spectrum, and exposure duration is known to have a positive impact on plant growth, photosynthesis, and the biosynthesis of secondary metabolites. However, there are few studies investigating the physiological responses of spinach (Spinacia oleracea L.) to UV radiation. Hence, this study aimed to assess the effects of short-term UV-A radiation on the growth and bioactive compounds of spinach. Spinach seedlings were cultivated in a vertical farm module under the following environmental conditions: photosynthetic photon flux density 200 µmol•m -2 •s -1 , white LED, 12 h on/off, 20°C air temperature, 70% relative humidity, and 500 µmol•mol -1 CO 2 concentration. After 5 weeks of sowing, the seedlings were subjected to continuous UV-A (peak wavelength; 385 nm) irradiation at two different energy levels: 20 W•m -2 and 40 W•m -2 for 7 days. As a result, the UV-A 20W treatment increased the shoot fresh and dry weights of spinach. However, there were no significant differences observed in photosynthetic parameters between the UV-A treatments and the control. The maximum quantum efficiency of photosystem II (Fv/Fm) consistently decreased across all UV-A treatments for 7 days in UV-A treatments. Additionally, the total phenolic content and antioxidant capacity increased in the UV-A 20W treatment at 7 days of treatment as well as the total flavonoid content significantly increased at 5 and 7 days of treatment. These findings suggest that supplemental UV-A LED radiation can enhance the growth and quality of spinach cultivated in closed type plant production systems such as vertical farms.

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Low-Potassium Fruits and Vegetables: Research Progress and Prospects

Cui,

Zhang,

Zhang

et al. 2024

Plants

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With the increasing number of patients with chronic kidney disease (CKD) and the improved recognition of nutritional therapy, research on low-potassium (LK) fruits and vegetables for CKD patients has gained global attention. Despite its already commercial availability primarily in Japan, public awareness remains limited, and cultivation methods lack a comprehensive strategy. This review offers an extensive examination of the developmental significance, current cultivation techniques, and existing limitations of functional LK fruits and vegetables with the objective of providing guidance and inspiration for their exploitation. Additionally, this review investigates various factors influencing K content, including varieties, temperature, light, exogenous substances, harvest time, and harvest parts, with a focus on optimizing production methods to enhance potassium utilization efficiency (KUE) and decrease the K content in plants. Finally, the review outlines the shortcomings and prospects of research on LK fruits and vegetables, emphasizing the importance of interdisciplinary research (in agriculture technology, medicine, and business) for patients with CKD and the future development of this field.

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Distinct Impacts of UV-A Light Wavelengths on Nutraceutical and Mineral Contents in Green and Purple Basil Cultivated in a Controlled Environment

Cited by 3 publications

References 44 publications

Qualitative Changes in Birch Sap after Freezing and Thawing

Qualitative Changes in Birch Sap after Freezing and Thawing

Effects of Supplemental UV-A LED Radiation on Growth and Bioactive Compounds in Spinach

Low-Potassium Fruits and Vegetables: Research Progress and Prospects

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