Bulletin of the National Research Centre

Table 1 Percent reduction of benzene and phenol in mainstream cigarette smoke for the two model cigarettes

From: Biocatalytic degradation of selected tobacco chemicals from mainstream cigarette smoke using Croton megalocarpus seed husk biochar

Benzene				Phenol
MM-R cigarette		RR-M cigarette		MM-R cigarette		RR-M cigarette
Concentration (µg g⁻¹)		Concentration (µg g⁻¹)		Concentration (µg g⁻¹)		Concentration (µg g⁻¹)
Untreated	11.70	Untreated	9.96	Untreated	2.26	Untreated	3.76
Treated	9.97	Treated	7.98	Treated	2.02	Treated	2.79
% Reduction	14.79		19.88		10.62		25.80

Bold values defined % Reduction of model tobacco chemical
MM-R standard cigarette, RR-M local cigarette

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