Coccinia abyssinica (Lam.) Cogn. (Anchote) Biology, Productivity, and Prospects of Genetic Improvement Using Biotechnological Tools
| Nov 20, 2020
About this article
Article Category: A review
Published Online: Nov 20, 2020
Page range: 1 - 10
Received: Apr 01, 2020
Accepted: Oct 01, 2020
DOI: https://doi.org/10.2478/johr-2020-0023
Keywords
© 2020 Tileye Feyissa, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Figure 1
Proximate composition of raw anchote tubers on a dry weight basis (in g per 100 g)
| Sample type | Moisture content | Crude protein | Total ash | Crude fiber | Crude fat | Carbohydrate | Gross energy | Reference |
|---|---|---|---|---|---|---|---|---|
| Whole | 74.93 | 3.25 | 2.19 | 2.58 | 0.19 | 16.86 | 82.12 | |
| 81.74 | 2.67 | 1.33 | 3.71 | 0.13 | 10.42 | 53.48 | ||
| 76.73 | 3.14 | 1.99 | 2.77 | 0.14 | 15.23 | 75.26 | ||
| 71.47 | 2.77 | 1.1 | 1.26 | 0.41 | 24.25 | 111.77 | ||
| 78.76 | 3.58 | 1.12 | 0.95 | 0.26 | 16.27 | 81.78 | ||
| Peeled | 68.8 | 3.9 | 1.7 | 1.5 | 0.12 | 25.5 | 117.5 | |
| Whole | 73 | 3.0 | 2.0 | 1.6 | 0.17 | 22.5 | 103.5 | |
| Leaf | 78.6 | 4.5 | 2.8 | 4.4 | 1.2 | 8.03 | - | |
| Tuber | 75.3 | 2.7 | 1.8 | 4.04 | 0.2 | 15.68 | - | |
| Stem | 84.3 | 2.2 | 2.42 | 5.15 | 0.69 | 5.24 | - |
Germination percentage of anchote seeds under different conditions
| Sterilant | Seed type | Growth medium | Germination percentage | Reference |
|---|---|---|---|---|
| - | With coat | Filter paper on Petri dish and maintained in a laboratory | 49 | |
| - | With coat | Soil : compost : sand in 2 : 1 : 1 ratio and maintained in greenhouse | 33 | |
| 0.15% HgCl2 | With coat | Filter paper on Petri dish and maintained in laboratory | 66.7 | |
| 1% Clorox | With coat | Filter paper on Petri dish and maintained in laboratory | 50 | |
| With coat | Growth-regulator-free MS medium and maintained in a growth room | 22.2 | ||
| 1% Clorox | Without coat | Growth-regulator-free MS medium and maintained in a growth room | 42.1 | |
| - | With coat | Sand : loam soil : coffee husk in 2:1:1 ratio | 24.5 | |
| - | Without coat | Sand : loam soil : coffee husk in 2:1:1 ratio | 97.3 |
Anti-nutritional content of tubers of anchote on a dry weight basis (in mg per 100 g)
| Sample | Phytate | Oxalate | Tannin | Cyanide | Reference |
|---|---|---|---|---|---|
| Whole | 389.30 | 8.23 | 173.55 | 12.67 | |
| Whole | 126.64 | - | 116.31 | 13.08 | |
| Peeled | 199.8 | 7.1 | 445.4 | - | |
| Whole | 249.6 | 9.0 | 632.5 | - |
In vitro culture initiation, shoot multiplication, and rooting of anchote on MS medium
| Sterilant | Exposure time (min) | Explant type | Growth regulators | Shoot induction percentage | Number of shoots per explant | References | |
|---|---|---|---|---|---|---|---|
| Culture initiation | 2.0% NaOCl | 5 | Node | 3.0 μM BAP | 80 | - | |
| 2.0% NaOCl | 5 | Shoot | 3.0 μM BAP | 70 | - | ||
| 5% JIK | 15 | Node | 0.025 μM TDZ | 84 | - | ||
| 5% JIK | 10 | Leaf | 5 μM BAP + 5 μM 2,4-D | 82.5 | - | ||
| Shoot multiplication | - | - | Shoot | 1.1 μM BAP + 0.5 μM IBA | 100 | 13.1 | |
| - | - | Node | 3.0 μM BAP + 0.5 μM IAA | 100 | 13.4 | ||
| - | - | Shoot | 3.0 μM BAP + 0.5 μM IAA | 100 | 11.0 | ||
| Rooting | - | - | Shoot | 0.12 μM IBA | 100 | 7.0 | |
| - | - | Shoot | 0.5 μM IBA | 91 | 3.3 | ||
| - | - | Shoot | 0.5 μM NAA | 86 | 4.6 |
Mineral content of anchote (in mg per 100 g)
| Sample | Na | K | Ca | Fe | Mg | Zn | P | Reference |
|---|---|---|---|---|---|---|---|---|
| Whole | - | 119.50 | 5.49 | 79.73 | 2.23 | 34.61 | ||
| Whole | 67.38 | 51.46 | 223.18 | - | 28.77 | 29.50 | ||
| 5.763 | 315.83 | 81.16 | 0.98 | 50.30 | 0.58 | 80.41 | ||
| 5.87 | 313.01 | 59.13 | 0.90 | 50.33 | 0.58 | 98.72 | ||
| Peeled | 16.3 | 610.4 | 327 | 4.6 | 124 | 1.8 | 103.5 | |
| Whole | 16.0 | 663.46 | 344 | 5.5 | 80 | 1.8 | 123 | |
| Leaf | 17.2 | 283.3 | 303.8 | 6.7 | 328.1 | 106.1 | 71.5 | |
| Tuber | 13.9 | 192.1 | 117.1 | 3.5 | 157.8 | 106.3 | 54.1 | |
| Stem | 23.2 | 323 | 313.5 | 8.6 | 336 | 148.4 | 76.9 |