- Study on a historical account of Pangse conducted for Petari; No one knew when it first came.
- The survey found 87 percent of respondents maintain Pangtse tree for Makhu production and
there are approximately 288 trees (205 fruit-bearing and 83 non-fruit-bearing). 71 percent of the
respondents experienced decreased in the population of Pangtse trees over the last 10 years.
However, only 58 presents of the respondents indicated interest to expand Pangtse tree/area by
way of plantation/cultivation provided they receive support from the government.
- Almost all the respondents were found to have engaged one way or other in Pangtse Makhu
processing but they do not remember the volume of the oil sold in the market and revenue
earned from it because they do not maintain record. 42 percent of the respondents were found
not having access to other source of income and depend mostly on Pangtse Makhu.
- Successfully formed the Petari Pangtse Zinchong Detshen, a community group responsible
for sustainable management and conservation of Symplocus peniculata trees for Makhu
reviving. It consists of 32 members and a draft By-law is in place. The By-law is expected to
guide the members while implementing the group activities.
- A kilogram of Pangtse seed roughly produce 300 to 350 millilitres of oil.