Strawberry is a fruit with a short season of harvest. Strawberry is well-known among people all over the world for its distinct flavour, nutritional value, and delicacy. While on the other hand, preserving strawberry and shelf life extension has been a huge difficulty due to their perishable nature. Making effective and sustainable use of already available food processing and preservation technology needs time. Researchers must use advanced techniques like a cool store, modified atmospheric packaging (MAP), cool store, controlled atmospheric storage (CA), various packaging methods, and a variety of chemical and physical treatments to retain commodities for a longer period due to strategic market sales following harvest. Except for the preserving techniques, there is some polysaccharide-based edible coating which has a crucial role in delaying fruit softening, fruit decay, maintaining the increased levels of ascorbic acid and phenols, enhancing the activities of antioxidant enzymes, and reducing membrane damage. During the postharvest stages, there are numerous threats to keep in view regarding the safety and quality of strawberries. In this chapter, we will discuss the benefits and drawbacks of some of the various preservation technologies, as well as how they might be utilised to preserve and a prolonged period of freshly harvested strawberries.
Adhatoda vasica and Calotropis procera was popular plants for its traditional medicinal materials as treatment of many bacterial diseases and skin disorders the class of group of chemicals were present in these medical plants as used of various medicines the new bioactive compounds as sources of various medicines the currently study was aim to obtained the higher antibacterial resilient biomolecules were measured through several advanced analytical techniques. The results showed that methanolic extracts and supercritical fluid extraction methods were best for higher yield of new compounds measurement process, after extraction the four structural compounds b-Sitosteryl linoleate, Myristyl diglucoside, D-Triglucopyranoside and S-allylcysteine acid were isolated in herbal plants, while the complete HPLC-DAD analyzed process with accuracy ,precision inter and intraday process all four compounds were done. The new drug design with apply of compartmental modelling of pharmacokinetics were apply on these four compounds check their potential level and capacity of measurements. The cytotoxicity test was analyzed in both plants at three concentrations (1, 0.4 and 8) in which 0.4 % showed the higher activity of LD which was 8 % in Calotropis procera extracts. The best activity of LD was recorded in methanol extracts over other six solvents (Methanol, Ethyl acetate, Chloroform, Hexane, Aqueous, and Ascorbic acid). It was concluded that the both species may act as the best resources of medicines in future uses an efficient and precise combinatorial quantitative analysis method and provided insight into the chemical constituents and development of various antibacterial drugs and explore this medical plants
Purpose
the objective of study to modified the metabolism of Calendula officinalis L. under heat stress couple with N and P application in two years of study.
Methods
the trail was conducted during peak summer season (months of May, June, and July) couple with different levels of N & P application to monitor the quality and quantity characterization of marigold (Calendula officinalis L.). The traits of three doses of N and P (0.6 g, 0.9 g, and 0.8 g, 1− 1 g) given to Calendula officinalis L.) to display the vegetative, reproductive, physiological parameters such as Malondialdehyde (MDA), Chlorophyll contents, Lipid Peroxidation Assay in leaves, Li and K contents, phytochemicals and nitrogen and phosphorus used efficacy
Results
showed that maximum values of Malondialdehyde (MDA), Chlorophylls, Lipid Peroxidation Assay in leaves observed followed by the alteration in Li and K measured in the month of May, June with slight differences July. The phytochemicals like total phenolic contents (84.41 mg GAE/g), total antioxidants (36.3% DPPH), total carotenoids and total flavonoids contents (16.2 and 0.9 mg/100 g) were measured by 0.9 g of Nitrogen application and followed by 1 g of Phosphorus in both years of study. The respirational changes were observed in the higher rate of P levels. The liner changes of N and P rates showed some fluctuation in heat stress months.
Conclusions
It was concluded that the higher doses of both N and P fertilizers were effective in controlling the heat stress and mentioned the quality of florets by various induction and biological active process.
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