How can banana fiber be used as a filtering material?5 answersBanana fiber can be used as a filtering material by treating it with silane compounds to improve its cell adhesion and reactivity towards apolar probes. The treatment results in a stiffer structure with increased basic character and surface area, making the fibers suitable for adsorption of proteins and cell adhesion. Additionally, the use of plant fiber as a filtering material improves the filtering effect and stabilizes the physical and chemical indexes of lubricating oil, prolonging its service life. The wide availability of plant fiber reduces the cost of the filtering material, and its biodegradability makes it environmentally friendly. Furthermore, modified banana fiber exhibits enhanced oil sorption, making it a potential material for oil spill cleanup.
How do pineapple fibers compare to medical gauze in terms of absorbency, durability, and other properties?3 answersPineapple fibers have been found to have high absorbency and durability, making them comparable to medical gauze in terms of these properties. The fibers have been shown to possess high strength, toughness, and impact resistance, which contribute to their durability. Additionally, pineapple leaf fibers have been found to have high sound absorption coefficients, indicating their potential for use in noise reduction applications. The fibers also exhibit good colorfastness and mechanical properties, making them suitable for use in textile and clothing industries. Furthermore, the fibers have a high spinnability and yarn quality, making them suitable for use in the preparation and processing of textile materials. However, despite their promising properties, the industrialization of pineapple fibers for practical applications is currently limited.
What is the effect of pineapple fibers on wound healing?5 answersPineapple fibers have been found to have a positive effect on wound healing. Bromelain, a compound found in pineapple, has been shown to accelerate the healing of episiotomy wounds in women. The study conducted on primiparus women found that the average scores of wound healing were significantly lower in the group that received bromelain compared to the placebo group. Another study found that the preparation of pineapple, including boiling with tea saponin, improved the whiteness, capillary effect, and strength of pineapple fiber yarn. These findings suggest that pineapple fibers, particularly bromelain, can enhance the healing process of wounds.
Are banana, pineapple, and palm fibers a viable alternative to cotton for use in medical gauze?5 answersBanana, pineapple, and palm fibers are being explored as viable alternatives to cotton for use in medical gauze. These natural fibers have low density, high toughness, and are fully biodegradable, making them environmentally friendly and cost-effective. In India, the evolvement of natural fiber composites aims to avoid resource depletion and promote sustainable practices. While the specific use of banana, pineapple, and palm fibers in medical gauze is not mentioned in the abstracts, the development of natural fiber composites with these fibers is discussed. The mechanical properties of the fibers are considered in the selection of resins and hardeners for fabrication. However, further research is needed to determine the suitability of these fibers for medical gauze applications.
How to extract fiber from pineapple leaves?5 answersPineapple leaves can be extracted for fiber using various methods. One method involves stirring the leaves in 10%w/v NaOH at 90-100 °C for 1 hour. Another method includes subjecting the leaves to alkali and bleaching treatments to remove hemicellulose and lignin, followed by surface modification with a silane coupling agent. Manual retting using a ceramic scrapper or water retting for 21 days can also be used, although these methods may result in PALFs that still contain non-cellulosic residues. Chemical extraction using NaOH solutions of 6% or higher concentration can effectively remove impurities and produce clean and smooth PALFs. Additionally, acid hydrolysis can be used to reduce cellulose fibers obtained from waste pineapple leaves to nanoscale size.
What is membrane filter in fruit juice filtration?5 answersMembrane filtration is a technique used in fruit juice processing to clarify and concentrate the juice. It involves the use of pressure-driven membrane filters, such as microfiltration (MF) and ultrafiltration (UF) membranes, to separate and remove impurities from the juice. These membranes have high selectivity and low-temperature treatment, making them suitable for the juice industry. However, membrane fouling is a challenge that affects the performance and durability of the membranes. Various strategies have been developed to mitigate fouling, including the use of innovative membrane materials and cleaning techniques. Membrane filtration offers a sustainable and efficient solution for fruit juice clarification and concentration, contributing to improved safety, quality, and nutritional value of the final product.