Results 1 to 10 of about 161,695 (169)
Harmful Components in Tobacco Smoke and Factors Affecting Their Content [PDF]
Kemija u Industriji, 2022 The aim of this study was to determine the influence of the smoking regime on thе content of tar, nicotine and CO, and to establish the decreasing content of tar, nicotine and CO with increasing the filter ventilation by 10, 20, and 30 %.
Margarita Docheva +3 more
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Microbiome status of unregulated raw tobacco blends for hand-rolling cigarettes (RYO tobaccos) [PDF]
BIO Web of Conferences, 2023 The research was conducted on 18 samples of RYO tobacco. The density (CFU/g a.d.s.) of three heterotrophic groups of microorganisms and some physical-chemical indicators were determined.
Hristeva Tsveta +3 more
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BMC Plant Biology, 2021 Background Lateral branches vigorously proliferate in tobacco after the topping of the inflorescence portions of stems for the maturation of the leaves to be harvested.
Kaori Hamano +7 more
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Scientific Reports, 2023 Apocarotenoid volatiles contribute to the flavor of many agricultural products. In many flowering plants, carotenoid cleavage dioxygenase 4 (CCD4) is involved in the decomposition of carotenoids and resultant production of C13-apocarotenoids, such as β ...
Hiroshi Magome +4 more
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Tobacco and Tobacco Smoke [PDF]
Nature, 1968 Epidemiologic studies have demonstrated a causal relation between smoking of cigarettes and cancer of the lung in man. Women smokers, cigar, and pipe smokers also face an increased risk for lung cancer. Prospective and retrospective studies have found a correlation between smoking of cigarettes, cigars, and pipes and cancer of the oral cavity, larynx ...
Ernest L. Wynder, Dietrich Hoffmann
openaire +3 more sources
Evolution trend of soil fertility in tobacco-planting area of Chenzhou, Hunan Province, China
Open Life Sciences, 2022 In this study, the data of fertility indicators of soil samples (0–20 cm) in 1980s, 2000 and 2015 in Chenzhou city were used, and the soil integrated fertility index (IFI) was calculated. The results showed that the soil pH was decreased, total nitrogen (
Xiao Yansong +11 more
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Assessment of heavy metal levels in roll-your-own cigarette and water pipe tobacco blends [PDF]
BIO Web of Conferences, 2023 The increased consumption of roll-your-own (RYO) cigarettes and water pipe (hookah), both globally and in Bulgaria, necessitated the current investigation aimed at the assessment of heavy metal levels in the tobacco blends used in those products.
Peeva Silvia +3 more
doaj +1 more source
Contributions to Tobacco and Nicotine Research, 2023 Increasing tobacco control and public health awareness have increased smokers’ attempts to quit smoking. However, some smokers also seek alternative products claimed to pose less risks. The use of smokeless tobacco (ST) products may thus increase in some
Fu Yaning +15 more
doaj +1 more source
Comparative study of the smoke emissions from fine-cut tobacco blends depending on the characteristics of the used RYO/MYO cigarette materials [PDF]
BIO Web of Conferences, 2022 The European tobacco market has experienced significant changes in the last years – with the introduction of new tobacco products and the increased consumption of certain traditional products.
Peeva Silvia +2 more
doaj +1 more source