Non-destructive chemical characterization of ceramic sherds from Shipwreck 31CR314 and Brunswick Town, North Carolina

Schleicher, L. S.; Miller, J. William; Watkins-Kenney, Sarah; Carnes-McNaughton, Linda F.; Wilde-Ramsing, Mark U.

doi:10.1016/j.jas.2008.05.012

Cited by 20 publications

(10 citation statements)

References 10 publications

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“…Some of these materials may be readily biodegradable (e.g., paper, wood, or natural fibers), whereas others are long lived in the marine environment. Persistent, nonplastic marine debris has existed for centuries in the form of (for example) sunken wooden vessels that contain ceramic artifacts (Schleicher et al 2008). However, plastics are unique in that they are both persistent (resistant to biodegradation) and-because of their light weight-readily transportable by wind and water.…”

Section: Plastics and Marine Debrismentioning

confidence: 99%

Plastics in the Marine Environment

Law

2017

Annu. Rev. Mar. Sci.

769

345

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Plastics contamination in the marine environment was first reported nearly 50 years ago, less than two decades after the rise of commercial plastics production, when less than 50 million metric tons were produced per year. In 2014, global plastics production surpassed 300 million metric tons per year. Plastic debris has been detected worldwide in all major marine habitats, in sizes from microns to meters. In response, concerns about risks to marine wildlife upon exposure to the varied forms of plastic debris have increased, stimulating new research into the extent and consequences of plastics contamination in the marine environment. Here, I present a framework to evaluate the current understanding of the sources, distribution, fate, and impacts of marine plastics. Despite remaining knowledge gaps in mass budgeting and challenges in investigating ecological impacts, the increasing evidence of the ubiquity of plastics contamination in the marine environment, the continued rapid growth in plastics production, and the evidence-albeit limited-of demonstrated impacts to marine wildlife support immediate implementation of source-reducing measures to decrease the potential risks of plastics in the marine ecosystem.

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Section: Plastics and Marine Debrismentioning

confidence: 99%

Plastics in the Marine Environment

Law

2017

Annu. Rev. Mar. Sci.

769

345

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“…Pottery jar is made from fired clay and covered with glaze over the surface. Its main components are SiO 2 and Al 2 O 3 and contain small amounts of metallic oxides, such as CaO, Fe 2 O 3 , CuO, NiO, and TiO 2 (Schleicher, Miller, Watkins‐Kenney, Carnes‐McNaughton, & Wilde‐Ramsing, ). These metallic oxides can be slowly dissolved into baijiu during storage (Yang, Zhao, & Liu, ); therefore, most metals in SFB increased during storage in pottery jar.…”

Section: Resultsmentioning

confidence: 99%

Effects of metals released in strong‐flavor baijiu on the evolution of aroma compounds during storage

Huang

Zeng

Liu³

et al. 2020

Food Science & Nutrition

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Storage is essential in improving the quality of strong-flavor baijiu (SFB). Here, we investigated the release behaviors of metals from containers into SFB and their effects on the evolution of aroma compounds during storage. Twenty-six metals were identified in SFB samples. The concentrations of Na, K, Ca, Mg, Al, and Fe obviously increased after storing in pottery jar, whereas those of Fe and Cu greatly increased after storing in stainless-steel vessel. The volatility of most esters, alcohols, ketone, furan, and aldehyde decreased, whereas that of most acids increased after adding the metal ions into fresh SFB. The fluorescence intensity of SFB decreased with increased aging time in pottery jar, whereas the fluorescence intensity of acids was quenched with adding Fe 3+ and Cu 2+ . All these results suggested that some metals released from containers had binding affinities with acids, thereby reducing SFB organoleptic stimulation by forming metal-aroma compound complexes during storage. K E Y W O R D S aroma compounds, metals, storage, strong-flavor baijiu | 1905 HUANG et Al.affect the taste and smell of baijiu. Xiong, Xiang, and Zhao (2013) reported that Ca, Fe, Mg, and Cu released from pottery jar into baijiu improved the soft mellow and harmonious mouthfeel. However, the relationship between metals and flavor compounds of SFB, which is closely related to SFB quality, remains unclear because the flavor compounds are too complex. Metals play an important role in modulating sensory attributes S U PP O RTI N G I N FO R M ATI O NAdditional supporting information may be found online in the Supporting Information section. Effects of metals released in strong-flavor baijiu on the evolution of aroma compounds during storage. Food Sci

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“…The shape of jar is common in this period and the degree of color, fig. (2-a, determine the technological processes related to ceramic manufacture [11,12]. Different analytical methods were used, including; X-ray diffraction (XRD) and Scanning electron microscopy (SEM) coupled with energy dispersive X-ray spectroscopy (EDS) to study different samples of crystallized salts, clay body, and glaze layer.…”

Section: Introduction 1the Archaeological and Historical Studiesmentioning

confidence: 99%