Table 3.
Change in hardness, stickiness and viscoelastic response (LVR G’) during storage of lafun dough made from local and improved cassava varieties
| Varieties* | Type | Hardness (N) | Stickiness (N.sec) | LVR G' (kPa) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Storage duration (h) | Behaviour | Storage duration (h) | Storage duration (h) | ||||||||
| 0 | 5 | 24 | 0 | 5 | 24 | 0 | 5 | 24 | |||
| EYEKOFO | Local white | 46.6a | 51.9b | 59.4c | Stiffer during storage | 31.5 | 29.2 | 29.0 | 13.1a | 14.7a | 12.7b |
| Igbèkokpan (92B/00068) | Improved white | 37.5a | 42.6b | 50.5c | 28.2a | 26.5a | 18.6b | 12.4a | 10.7b | 11.0b | |
| MR‐67 (92/0067) | Improved white | 26.7a | 43.3b | 59.5c | 17.9a | 15.4b | 15.9b | 9.7 | 10.2 | 8.7 | |
| I090090 | Improved pVAC | 46.6a | 53.8b | 53.1b | 29.6a | 22.1b | 16.1c | 9.3 | 10.0 | 9.5 | |
| Ben‐86052 (Ben) | Local white | 37.3a | 44.6b | 45.1b | 44.9a | 38.1b | 29.7c | 10.8a | 10.7a | 8.0b | |
| I070593 | Improved pVAC | 29.7a | 34.7b | 36.0b | 26.9a | 20.8b | 15.8c | nd | nd | nd | |
| Mean | 37.4 | 45.2 | 50.6 | 29.8 | 25.4 | 20.9 | 11.1 | 11.3 | 10.0 | ||
| SD | 8.3 | 6.9 | 9.0 | 8.8 | 7.9 | 6.7 | 1.7 | 1.9 | 1.9 | ||
| I070539 † | Improved pVAC | 3.8 | Softened during storage | 14.2 | 5.6 | ||||||
| Obaïlè (92B/0057) | Improved white | 39.1a | 34.0b | 24.5c | 57.7a | 34.9b | 24.1c | 10.3a | 9.8a | 6.7b | |
| I083594 | Improved pVAC | 32.7a | 15.5b | 7.4c | 48.6a | 23.5b | 14.3b | 7.1a | 5.7a | 5.4b | |
| Ina‐H (92B/00061) | Improved white | 39.8a | 40.7a | 36.0b | 22.0 | 18.4 | 21.1 | 16.5 | 15.9 | 14.2 | |
| Maniben‐03 (Oko‐Iyawo) | Improved white | 37.2a | 37.5a | 31.7b | 44.4a | 24.5b | 14.5b | 14.4 | 13.8 | 10.7 | |
| Mean | 26.8 | 26.9 | 21.7 | 32.6 | 21.8 | 16.1 | 9.3 | 9.4 | 7.8 | ||
| SD | 16.3 | 14.9 | 13.0 | 20.2 | 9.8 | 6.8 | 5.6 | 5.7 | 4.8 | ||
| RB 89509 (RB or Gbézé) | Improved white | 30.4 | 31.7 | 37.5 | No change during storage | 20.7a | 16.4b | 17.2b | 8.2 | 8.6 | 8.4 |
| I011797 | Improved pVAC | 14.9 | 17.0 | 16.2 | 15.8 | 13.6 | 13.4 | 9.7 | 10.1 | 10.3 | |
| I083724 | Improved pVAC | 57.1 | 61.9 | 59.4 | 18.1 | 17.7 | 19.8 | 10.8 | 10.8 | 10.9 | |
| Ina Premier (92/0427) | Improved white | 18.4 | 19.2 | 18.0 | 24.8a | 15.5b | 19.6b | 15.0 | 16.0 | 16.0 | |
| I011412 | Improved pVAC | 21.0 | 22.2 | 25.6 | 15.4 | 13.2 | 13.9 | 9.2 | 10.5 | 10.4 | |
| Mean | 26.4 | 28.3 | 28.3 | 19.2 | 14.4 | 15.1 | 9.7 | 10.3 | 10.1 | ||
| SD | 16.0 | 17.7 | 17.6 | 3.5 | 2.8 | 4.9 | 3.1 | 3.4 | 3.7 | ||
nd, not determined; pVAC, Provitamin A Carotenoid; SD, standard deviation.
By parameter, in the same line, different letters indicate significant differences while absence of letters indicates no significant difference between storage duration (P‐value = 0.05).
*
Name of varieties (synonym).
†
No data can be collected from 5 h of storage onwards ‘Not detected at the threshold point’.