The document summarizes a school project on collecting and using birch sap. It discusses how birch sap was traditionally collected in Lithuania in the early 20th century. It provides instructions on tapping birch trees to collect 5-10 liters of birch sap in March and April when temperatures are 4-5 degrees Celsius. The document outlines the nutritional and health benefits of birch sap, including its diuretic, detoxifying, and weight loss properties.

1. “Collecting herbs in March: birch
sap”
Katyciai Basic School of Silute Region
“Healthy Herbs Outlook”
2015-2017

2. Subject Extracurricular activities
Form 10
Number of the students 11
Teacher Algimantas Valaitis, a teacher of
History and Civic Education
Topic Traditional Lithuanian beverages
with the healing properties

3. Of birch sap.Objectives
The students will:
find out the properties of birch sap,
gain practical skills to collect birch sap.
Methods
Materials
Theoretical study on birch sap.
Workshop “How to collect birch sap”
http://naturalus.sveikas.lt/lt/kiti_naturalus_vaistai
/berzu_sula__sveikatingumo_gerimas/
https://lt.wikipedia.org/wiki/Sula
A drill and a hammer, containers and wooden
tubes.
V. Kaunienė, E. Kaunas Vaistingieji augalai,
1991
J. Vasiliauskas Gamtos vaistinė, 2011

4. Results and
outcomes
Presentation “Birch Sap”.
5 – 10 litres of birch sap.
Students make a research on the internet
materials to find out the properties of birch sap, as
well as the ways to collect it.
After that they go to the school park, choose a
birch tree and try to collect birch sap.
A short description

6. • Beržų sula – tradicinis
lietuviškas gėrimas.
Ypač populiari ji buvo
XX a. pirmoje pusėje.
Birch sap/birch
water
Beržų sula
• Birch sap is a
traditional Lithuanian
beverage. It was very
popular in the first
half of the 20th
Century

8. Beržo sula
• Birch sap is the
liquid rich of the
nutrients which
flows through the
birch tree from its
roots to the
branches in spring.
Birch sap/birch
water
• Sula – tai prisotintas
maistinių medžiagų
tirpalas, kuris
pavasarį iš šaknų
perduodamas
medžio vainikui.

10. • The fresh birch sap is a
clear uncoloured liquid
with a slightly sweet
taste.
• Birch sap contains
organic acids and
sugars (glucose, xylitol
and fructose), as well
as minerals and
vitamins (C and B
group)
• Šviežia sula yra
skaidrus, bespalvis,
saldoko skonio skystis
Joje yra organinių
rūgščių, cukraus,
mineralų ir vitaminų.
Birch sap/birch
waterBeržo sula

12. The time to collect
birch sap
• Birch sap is collected
at the beginning of
spring when the
average temperature
of the air is 4 – 5 C.
Such a sap taps for 1
– 2 weeks.
• Sula renkama
pavasario pradžioje,
kai vidutinė paros
temperatūra būna
apie 4 – 5 C. Sula
bėga 1 – 2 savaites.
Laikas, kada
gaunama sula

14. A collection of the
sap
• To collect the sap a
small hole has be
drilled into the lower
part of a birch trunk. A
tube, traditionally a
wooden one, and a
container are also
needed for the
collection of the sap. A
tube inserted into the
hole leads the sap into
the container.
• Sulai rinkti beržo
kamieno apačioje
pragręžiama nedidelė
skylutė, į kurią
įstatomas latakėlis.
Tradiciškai jis yra
gaminamas iš
medžio.
Sulos gavimas

18. • It is possible to get
100 or even more
litres of the sap from
one birch during 1 –2
weeks.
• Iš vieno beržo galima
surinkti 100 ar
daugiau litrų sulos
per 1 – 2 savaites.
Sulos gavimas
A collection of the
sap

20. Nutritional value per 100 g
Energy 4,6 kcal (19kJ)
Sugars 1,1 g
Fat less than 0,1 g
Minerals
Ca 60 mg(6%)
Fe 0,1 mg (1%)
Mg 11 mg(3%)
Mn 1,1 mg(52%)
P 6,4 mg(1%)
K 120 mg (3%)
Percentages are
approximated for the
recommended daily ration
of minerals for adults.

21. The health benefits
of birch sap
• Birch sap has diuretic,
detoxifying and
cleansing properties. It
increases metabolism,
activates diuresis and
helps to eliminate such
organic wastes as uric
acid and cholesterol.
• Beržų sula pasižymi
diuretinėmis,
detoksikuojančiomis ir
organizmą valančiomis
savybėmis. Ji skatina
metabolizmą, padeda
pašalinti toksinus ir
susidariusias
nereikalingas
organines medžiagas
(pvz.: šlapimo rūgštį ,
cholesterolį).
Beržų sulos nauda
sveikatai

22. • Birch sap contains
only 5 calories per
100 ml. Therefore it is
suitable for the
people willing to
loose their weight.
• 100 ml beržų sulos
yra tik 5 kalorijos.
Todėl jos yra
tinkamos gerti, norint
mesti svorį.
The health benefits
of birch sap
Beržų sulos nauda
sveikatai

25. “This project has been funded with support
from the European Commission. This
publication reflects the views only of the
author, and the Commission cannot be held
responsible for any use which may be made of
the information contained there in.”