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Table 1 Geographical parameters, crude extract yield, yield of aloin and aloe-emodin and antiplasmodial EC50 values of Aloe vera aqueous extracts collected from different sites of India

From: Antiplasmodial potential and quantification of aloin and aloe-emodin in Aloe vera collected from different climatic regions of India

Sr. No. Agro-climatic zones Collection sites Place of collection Average Temp. (°C). Average Rainfall
(mm).
Crude Extract Yield (g/100 g) Aloin Yield out of crude extract Aloe-emodin Yield out of crude extract EC50 (μg/ml) for antiplasmodial activity
(mg/g) % yield (mg/g) % yield
1 Highland Jammu and Kashmir [J&K] Jammu 13.5 1011 3.7 0.45 ± 0.061 1.21 0.23 ± 0.054 0.62 0.441 ± 0.093
2   Himachal Pradesh [H.P.] Palampur 13.5 1251 3.5 0.45 ± 0.043 1.28 0.21 ± 0.008 0.60 0.289 ± 0.032
3 Semi-arid Punjab Sangrur 25 649 3.9 0.32 ± 0.050 0.82 0.29 ± 0.066 0.74 0.472 ± 0.012
4   Haryana Rohtak 27 617 4.1 0.39 ± 0.022 0.95 0.11 ± 0.037 0.27 0.407 ± 0.085
5 Arid Rajasthan Jaisalmer 28.5 209.5 3.5 0.37 ± 0.034 1.06 0.27 ± 0.029 0.77 0.980 ± 0.007
6   Gujarat Gandhinagar 27.5 1107 3.8 0.21 ± 0.067 0.55 0.13 ± 0.043 0.34 0.621 ± 0.036
7 Humid Subtropical Uttar Pradesh [U.P.] Pratapgarh 25.5 904 3.9 0.33 ± 0.041 0.85 Peak not detected --- 0.299 ± 0.059
8   Madhya Pradesh [MP] Bhopal 25.5 1146 3.0 0.22 ± 0.074 0.73 0.19 ± 0.060 0.63 0.689 ± 0.027
9 Tropical wet & dry West Bengal [W.B.] Kolkata 27 1582 3.4 0.17 ± 0.037 0.50 0.27 ± 0.036 0.79 0.417 ± 0.041
10   Telangana Hyderabad 26.5 812.5 3.7 Peak not detected --- Peak not detected --- 1056 ± 0.033
11 Tropical wet Kerala Kochi 28 3005 3.6 Peak not detected --- 0.09 ± 0.042 0.25 0.558 ± 0.047
12   Goa Vasco 27.5 3055 3.3 0.15 ± 0.033 0.45 0.20 ± 0.040 0.60 0.663 ± 0.029
  1. Positive control Chloroquine (CQ) value = 0.034 ± 0.027 μg/ml; aloin = 67 ± 0.046 μg/ml; aloe-emodin = 22 ± 0.063 μg/ml
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