Table 1.

Composition of yeast cells with and without autolysis treatment, after the drying process^a.

Yeast speciesb	Cyberlindnera jadinii		Blastobotrys adeninivorans		Wickerhamomyces anomalus
	Inactivated	Autolyzed	Inactivated	Autolyzed	Inactivated	Autolyzed
Dry matterc	94.0 ± 0.01	92.4 ± 0.10	95.3 ± 0.05	94.3 ± 0.11	94.9 ± 0.00	93.6 ± 0.20
Cell wall polysaccharides (% dry mass)c
α-glucan	2.0 ± 0.04	1.3 ± 0.06	0.7 ± 0.48	0.3 ± 0.01	0.3 ± 0.03	0.3 ± 0.01
β-glucan	20.4 ± 1.71	16.0 ± 1.30	12.3 ± 1.61	10.1 ± 0.92	11.1 ± 0.88	9.6 ± 0.71
Mannan	10.9 ± 0.58	11.5 ± 0.77	10.2 ± 0.80	8.7 ± 0.57	17.8 ± 1.36	16.7 ± 0.91
Chitin	1.1 ± 0.14	1.9 ± 0.08	2.2 ± 0.08	2.1 ± 0.29	2.0 ± 0.24	2.7 ± 0.33
Other components (% dry mass)c
Crude protein	45.6 ± 0.05	47.6 ± 0.09	38.9 ± 0.07	37.4 ± 0.09	52.8 ± 0.05	52.8 ± 0.21
Crude lipids	6.0 ± 0.00	6.2 ± 0.00	8.6 ± 0.00	8.5 ± 0.00	8.8 ± 0.00	9.1 ± 0.02
Ash	7.8 ± 0.04	8.1 ± 0.01	6.1 ± 0.02	6.3 ± 0.00	3.3 ± 0.00	3.2 ± 0.04
Sum of analyzed componentsc	93.8	92.7	78.9	73.4	96.2	94.4

^aCell wall thickness (nm): Inactivated Cyberlindnera jadinii = 95.9, autolyzed C. jadinii = 80.9, inactivated Blastobotrys adeninivorans = 103.6, autolyzed B. adeninivorans = 62.2, inactivated Wickerhamomyces anomalus = 161.4 and autolyzed W. anomalus = 116.5.

^bComposition of ref-Cyberlindnera jadinii (% dry weight): α-glucan = 0.9, β-glucan = 15.0, mannans = 9.4, chitin = 1.9, dry matter = 93.2, crude protein = 58.1, crude lipids = 7.0 and ash = 5.4. This is the same yeast used in Grammes et al.¹⁵.

^cAmounts of α-glucans, β-glucans and mannans of the cell wall are mean value ± SD from triplicate analyses; whereas chitin, dry matter, crude protein, crude lipids and ash were from duplicate analyses.

^dSum of analyzed components is equal to sum of the cell wall polysaccharides and other components in the yeast ingredients.