Results 1 to 10 of about 1,464,778 (293)

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, Nikolov Nikolay, Nikolova Violeta, Peeva Silvia   +3 more
doaj   +1 more source

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, Yovcho Kochev, Maria Kasheva, Hristo Bozukov   +3 more
doaj   +1 more source

Inhibition of lateral shoot formation by RNA interference and chemically induced mutations to genes expressed in the axillary meristem of Nicotiana tabacum L.

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, Seiki Sato, Masao Arai, Yuta Negishi, Takashi Nakamura, Tomoyuki Komatsu, Tsuyoshi Naragino, Shoichi Suzuki   +7 more
doaj   +1 more source

Multiple loss-of-function mutations of carotenoid cleavage dioxygenase 4 reveal its major role in both carotenoid level and apocarotenoid composition in flue-cured mature tobacco leaves

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, Masao Arai, Kiyoshi Oyama, Ryo Nishiguchi, Yoshimitsu Takakura   +4 more
doaj   +1 more source

Determinants of tobacco product sales near educational institutions in Telangana and Meghalaya. [PDF]

J Family Med Prim Care
Yadav R, Goel S, Kumar R, Singh RJ.
europepmc   +2 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, Liao Yahua, Hou Jianlin, Li Lijuan, Xu Taosha, Ma Fengying, Yu Fahui, Tan Zhipeng, He Zhihong, Jian Hong, Li Hongguang, He Bin   +11 more
doaj   +1 more source

A Cross-Sectional Survey on Prevalence and Behaviour of Smokeless Tobacco Use Among Tobacco Users in China

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, Chen Huan, Zheng Saijing, Zhang Sen, Zhang Yichun, Yan Daiwei, Wang Hongjuan, Han Shulei, Tian Yushan, Li Yingyan, Li Guoyu, Liu Tong, Zhao Huimin, Su Yue, Hou Hongwei, Hu Qingyuan   +15 more
doaj   +1 more source

Tracking progress of tobacco control in Pakistan against the MPOWER package of interventions : challenges and opportunities [PDF]

, 2020
MPOWER is an evidence-based package of the six most effective demand reduction interventions to reduce tobacco use. Global evidence shows that introduction of this package has accelerated and strengthened tobacco control worldwide with over 5 billion ...
Gill, Paramjit, Masud, Haleema, Oyebode, Oyinlola, Sekalala, Sharifah   +3 more
core   +1 more source

Genome-wide identification and characterization of NPF family reveals NtNPF6.13 involving in salt stress in Nicotiana tabacum

Frontiers in Plant Science, 2022
Proteins of the Nitrate Transporter 1/Peptide Transporter (NPF) family transport a diverse variety of substrates, such as nitrate, peptides, hormones and chloride.
Hui Zhang, Zefeng Li, Guoyun Xu, Ge Bai, Peipei Zhang, Niu Zhai, Qingxia Zheng, Qiansi Chen, Pingping Liu, Lifeng Jin, Huina Zhou   +10 more
doaj   +1 more source

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, Nikolova Violeta, Nikolov Nikolay, Popova Venelina   +3 more
doaj   +1 more source